https://bitwizard.nl/wiki/index.php?action=history&feed=atom&title=I2C_splitter 2026-04-05T19:03:23Z Revision history for this page on the wiki MediaWiki 1.35.6 https://bitwizard.nl/wiki/index.php?title=I2C_splitter&diff=4631&oldid=prev 2020-09-22T08:43:16Z

<p></p> <table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 08:43, 22 September 2020</td> </tr><tr> <td colspan="2" class="diff-lineno">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td> </tr> <tr> <td class="diff-marker" data-marker="−"></td> <td class="diff-deletedline diff-side-deleted"><div>The I2C splitter can be bought in the [<del class="diffchange diffchange-inline">http</del>://<del class="diffchange diffchange-inline">www.</del>bitwizard.nl/shop/<del class="diffchange diffchange-inline">expansion</del>-<del class="diffchange diffchange-inline">boards/i2c</del>-<del class="diffchange diffchange-inline">splitter</del>-PCA9548A BitWizard shop].</div></td> <td class="diff-marker" data-marker="+"></td> <td class="diff-addedline diff-side-added"><div>The I2C splitter can be bought in the [<ins class="diffchange diffchange-inline">https</ins>://bitwizard.nl/shop/<ins class="diffchange diffchange-inline">I2C</ins>-<ins class="diffchange diffchange-inline">Splitter</ins>-<ins class="diffchange diffchange-inline">Switch-with</ins>-PCA9548A<ins class="diffchange diffchange-inline">-TCA9548A</ins> BitWizard shop].</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><br /></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><br /></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>= General info =</div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>= General info =</div></td> </tr> </table>

Rew https://bitwizard.nl/wiki/index.php?title=I2C_splitter&diff=3566&oldid=prev 2015-11-11T11:08:57Z

<p></p> <table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 11:08, 11 November 2015</td> </tr><tr> <td colspan="2" class="diff-lineno">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>The I2C splitter can be bought in the [http://www.bitwizard.nl/shop/expansion-boards/i2c-splitter-PCA9548A BitWizard shop].</div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>The I2C splitter can be bought in the [http://www.bitwizard.nl/shop/expansion-boards/i2c-splitter-PCA9548A BitWizard shop].</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><br /></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><br /></td> </tr> <tr> <td class="diff-marker" data-marker="−"></td> <td class="diff-deletedline diff-side-deleted"><div>= <del class="diffchange diffchange-inline">general</del> info =</div></td> <td class="diff-marker" data-marker="+"></td> <td class="diff-addedline diff-side-added"><div>= <ins class="diffchange diffchange-inline">General</ins> info =</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>Based on the PCA9548A chip from NXP&lt;br&gt;</div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>Based on the PCA9548A chip from NXP&lt;br&gt;</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>http://www.nxp.com/documents/data_sheet/PCA9548A.pdf &lt;br&gt;</div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>http://www.nxp.com/documents/data_sheet/PCA9548A.pdf &lt;br&gt;</div></td> </tr> <tr> <td colspan="2" class="diff-lineno">Line 12:</td> <td colspan="2" class="diff-lineno">Line 12:</td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>The address would be written "0x70" for the Linux I2C-tools. BitWizard "naming convention" would call this address "0xe0".</div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>The address would be written "0x70" for the Linux I2C-tools. BitWizard "naming convention" would call this address "0xe0".</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><br /></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><br /></td> </tr> <tr> <td class="diff-marker" data-marker="−"></td> <td class="diff-deletedline diff-side-deleted"><div>= <del class="diffchange diffchange-inline">physical</del> dimensions =</div></td> <td class="diff-marker" data-marker="+"></td> <td class="diff-addedline diff-side-added"><div>= <ins class="diffchange diffchange-inline">Physical</ins> dimensions =</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>* Board outline: 50x25mm</div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>* Board outline: 50x25mm</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>* Mounting hole diameter: 3mm</div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>* Mounting hole diameter: 3mm</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>* Mounting hole pitch: 44x19mm (3mm from board edge)</div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>* Mounting hole pitch: 44x19mm (3mm from board edge)</div></td> </tr> <tr> <td class="diff-marker" data-marker="−"></td> <td class="diff-deletedline diff-side-deleted"><div>= <del class="diffchange diffchange-inline">pinouts</del> =</div></td> <td class="diff-marker" data-marker="+"></td> <td class="diff-addedline diff-side-added"><div>= <ins class="diffchange diffchange-inline">Pinouts</ins> =</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><br /></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><br /></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>Hold the board such that the 4x8 pin array is on the left. </div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>Hold the board such that the 4x8 pin array is on the left. </div></td> </tr> <tr> <td colspan="2" class="diff-lineno">Line 30:</td> <td colspan="2" class="diff-lineno">Line 30:</td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>The "Vout" connector provides GND/AUX/VCC. By placing a jumper on AUX/VCC, you can configure your slave I2C busses to use the same power supply as your main VCC (usually 5V or 3.3V). If you require a different voltage, you can apply that voltage using a two-pin connector using GND/AUX on the same connector. If you ordered the special version prepared for a specific output voltage, no connection/jumper is necessary on the VOUT connector. You can measure the output voltage on the AUX pin if you want (there are 8 other pins that make this voltage available, but it's there. :-) )</div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>The "Vout" connector provides GND/AUX/VCC. By placing a jumper on AUX/VCC, you can configure your slave I2C busses to use the same power supply as your main VCC (usually 5V or 3.3V). If you require a different voltage, you can apply that voltage using a two-pin connector using GND/AUX on the same connector. If you ordered the special version prepared for a specific output voltage, no connection/jumper is necessary on the VOUT connector. You can measure the output voltage on the AUX pin if you want (there are 8 other pins that make this voltage available, but it's there. :-) )</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><br /></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><br /></td> </tr> <tr> <td class="diff-marker" data-marker="−"></td> <td class="diff-deletedline diff-side-deleted"><div>= <del class="diffchange diffchange-inline">jumpers</del> =</div></td> <td class="diff-marker" data-marker="+"></td> <td class="diff-addedline diff-side-added"><div>= <ins class="diffchange diffchange-inline">Jumpers</ins> =</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><br /></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><br /></td> </tr> <tr> <td class="diff-marker" data-marker="−"></td> <td class="diff-deletedline diff-side-deleted"><div>== <del class="diffchange diffchange-inline">address</del> jumpers ==</div></td> <td class="diff-marker" data-marker="+"></td> <td class="diff-addedline diff-side-added"><div>== <ins class="diffchange diffchange-inline">Address</ins> jumpers ==</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><br /></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><br /></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>It is recommended you use address 0 for the PCA9548A, unless that clashes with something on your I2C bus. Put all three jumpers to the position nearest you, in the position marked "0".</div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>It is recommended you use address 0 for the PCA9548A, unless that clashes with something on your I2C bus. Put all three jumpers to the position nearest you, in the position marked "0".</div></td> </tr> <tr> <td colspan="2" class="diff-lineno">Line 40:</td> <td colspan="2" class="diff-lineno">Line 40:</td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>If your board has a jumper labeled "VOUT" near the bottom, this can be used to select the voltage level on the output bus. Connect a jumper on the rightmost two pins (AUX/VCC) to use the power from the "master" connector on the left or right of the PCB. If that is undesired, for example if your master is 5V and your slave devices are 3.3V, you can connect a 3.3V power source to the ground pin on the left and the VAUX pin in the middle.</div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>If your board has a jumper labeled "VOUT" near the bottom, this can be used to select the voltage level on the output bus. Connect a jumper on the rightmost two pins (AUX/VCC) to use the power from the "master" connector on the left or right of the PCB. If that is undesired, for example if your master is 5V and your slave devices are 3.3V, you can connect a 3.3V power source to the ground pin on the left and the VAUX pin in the middle.</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><br /></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><br /></td> </tr> <tr> <td class="diff-marker" data-marker="−"></td> <td class="diff-deletedline diff-side-deleted"><div>= <del class="diffchange diffchange-inline">using</del> the board =</div></td> <td class="diff-marker" data-marker="+"></td> <td class="diff-addedline diff-side-added"><div>= <ins class="diffchange diffchange-inline">Using</ins> the board =</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><br /></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><br /></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>On the raspberry pi, the board can be controlled with i2cset:</div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>On the raspberry pi, the board can be controlled with i2cset:</div></td> </tr> </table>

Cartridge1987 https://bitwizard.nl/wiki/index.php?title=I2C_splitter&diff=3430&oldid=prev 2015-11-02T11:47:59Z

<p></p> <table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 11:47, 2 November 2015</td> </tr><tr> <td colspan="2" class="diff-lineno">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td> </tr> <tr> <td class="diff-marker" data-marker="−"></td> <td class="diff-deletedline diff-side-deleted"><div>The I2C can be bought in the [http://www.bitwizard.nl/shop/expansion-boards/i2c-splitter-PCA9548A BitWizard shop].</div></td> <td class="diff-marker" data-marker="+"></td> <td class="diff-addedline diff-side-added"><div>The I2C<ins class="diffchange diffchange-inline"> splitter</ins> can be bought in the [http://www.bitwizard.nl/shop/expansion-boards/i2c-splitter-PCA9548A BitWizard shop].</div></td> </tr> <tr> <td class="diff-marker" data-marker="−"></td> <td class="diff-deletedline diff-side-deleted"><br /></td> <td colspan="2" class="diff-empty diff-side-added"></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><br /></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><br /></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>= general info =</div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>= general info =</div></td> </tr> </table>

Cartridge1987 https://bitwizard.nl/wiki/index.php?title=I2C_splitter&diff=3429&oldid=prev 2015-11-02T11:47:47Z

<p></p> <table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 11:47, 2 November 2015</td> </tr><tr> <td colspan="2" class="diff-lineno">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td> </tr> <tr> <td colspan="2" class="diff-empty diff-side-deleted"></td> <td class="diff-marker" data-marker="+"></td> <td class="diff-addedline diff-side-added"><div>The I2C can be bought in the [http://www.bitwizard.nl/shop/expansion-boards/i2c-splitter-PCA9548A BitWizard shop].</div></td> </tr> <tr> <td colspan="2" class="diff-empty diff-side-deleted"></td> <td class="diff-marker" data-marker="+"></td> <td class="diff-addedline diff-side-added"><br /></td> </tr> <tr> <td colspan="2" class="diff-empty diff-side-deleted"></td> <td class="diff-marker" data-marker="+"></td> <td class="diff-addedline diff-side-added"><br /></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>= general info =</div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>= general info =</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>Based on the PCA9548A chip from NXP&lt;br&gt;</div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>Based on the PCA9548A chip from NXP&lt;br&gt;</div></td> </tr> </table>

Cartridge1987 https://bitwizard.nl/wiki/index.php?title=I2C_splitter&diff=3075&oldid=prev 2015-06-03T12:55:23Z

<p><span dir="auto"><span class="autocomment">Power jumper/power connector</span></span></p> <table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 12:55, 3 June 2015</td> </tr><tr> <td colspan="2" class="diff-lineno">Line 36:</td> <td colspan="2" class="diff-lineno">Line 36:</td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>== Power jumper/power connector ==</div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>== Power jumper/power connector ==</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><br /></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><br /></td> </tr> <tr> <td class="diff-marker" data-marker="−"></td> <td class="diff-deletedline diff-side-deleted"><div>If your board has a jumper labeled "VOUT" near the bottom, this can be used to select the voltage level on the output bus. Connect a jumper on the rightmost two pins (AUX/VCC) to use the power from the "master" connector on the left or right of the PCB. If that is undesired, for example if your slave devices are 3.3V, you can connect a 3.3V power source to the ground pin on the left and the VAUX pin in the middle.</div></td> <td class="diff-marker" data-marker="+"></td> <td class="diff-addedline diff-side-added"><div>If your board has a jumper labeled "VOUT" near the bottom, this can be used to select the voltage level on the output bus. Connect a jumper on the rightmost two pins (AUX/VCC) to use the power from the "master" connector on the left or right of the PCB. If that is undesired, for example if<ins class="diffchange diffchange-inline"> your master is 5V and</ins> your slave devices are 3.3V, you can connect a 3.3V power source to the ground pin on the left and the VAUX pin in the middle.</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><br /></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><br /></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>= using the board =</div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>= using the board =</div></td> </tr> </table>

Rew https://bitwizard.nl/wiki/index.php?title=I2C_splitter&diff=3074&oldid=prev 2015-06-03T12:54:50Z

<p><span dir="auto"><span class="autocomment">Power jumper/power connector</span></span></p> <table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 12:54, 3 June 2015</td> </tr><tr> <td colspan="2" class="diff-lineno">Line 36:</td> <td colspan="2" class="diff-lineno">Line 36:</td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>== Power jumper/power connector ==</div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>== Power jumper/power connector ==</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><br /></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><br /></td> </tr> <tr> <td class="diff-marker" data-marker="−"></td> <td class="diff-deletedline diff-side-deleted"><div>If your board has a jumper labeled "VOUT" near the bottom, this can be used to select the voltage level on the output bus. Connect a jumper on the rightmost two pins (AUX/VCC) to use the power from the "master" connector on the left or right of the PCB. If that is undesired, for example if your slave devices are 3.3V, you can connect a 3.3V power source to the ground pin on the left and the VAUX pin in the middle.<del class="diffchange diffchange-inline"> </del></div></td> <td class="diff-marker" data-marker="+"></td> <td class="diff-addedline diff-side-added"><div>If your board has a jumper labeled "VOUT" near the bottom, this can be used to select the voltage level on the output bus. Connect a jumper on the rightmost two pins (AUX/VCC) to use the power from the "master" connector on the left or right of the PCB. If that is undesired, for example if your slave devices are 3.3V, you can connect a 3.3V power source to the ground pin on the left and the VAUX pin in the middle.</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><br /></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><br /></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>= using the board =</div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>= using the board =</div></td> </tr> </table>

Rew https://bitwizard.nl/wiki/index.php?title=I2C_splitter&diff=3073&oldid=prev 2015-06-03T12:54:03Z

<p><span dir="auto"><span class="autocomment">pinouts</span></span></p> <table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 12:54, 3 June 2015</td> </tr><tr> <td colspan="2" class="diff-lineno">Line 22:</td> <td colspan="2" class="diff-lineno">Line 22:</td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>From top to bottom you will find bus 0 at the top to bus 7 at the bottom. </div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>From top to bottom you will find bus 0 at the top to bus 7 at the bottom. </div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><br /></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><br /></td> </tr> <tr> <td class="diff-marker" data-marker="−"></td> <td class="diff-deletedline diff-side-deleted"><div>Connect your "master device" to the connector on the left or right. The pinout is GND, SDA, SCL, VCC from bottom to top.<del class="diffchange diffchange-inline"> </del></div></td> <td class="diff-marker" data-marker="+"></td> <td class="diff-addedline diff-side-added"><div>Connect your "master device" to the connector on the left or right. The pinout is GND, SDA, SCL, VCC from bottom to top.</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><br /></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><br /></td> </tr> <tr> <td colspan="2" class="diff-empty diff-side-deleted"></td> <td class="diff-marker" data-marker="+"></td> <td class="diff-addedline diff-side-added"><div>[[File:Dsc05850_edit.jpg|thumb|500px|alt=The annotated i2c_splitter board|The i2c_splitter board]]</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><br /></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><br /></td> </tr> <tr> <td colspan="2" class="diff-empty diff-side-deleted"></td> <td class="diff-marker" data-marker="+"></td> <td class="diff-addedline diff-side-added"><div>The "Vout" connector provides GND/AUX/VCC. By placing a jumper on AUX/VCC, you can configure your slave I2C busses to use the same power supply as your main VCC (usually 5V or 3.3V). If you require a different voltage, you can apply that voltage using a two-pin connector using GND/AUX on the same connector. If you ordered the special version prepared for a specific output voltage, no connection/jumper is necessary on the VOUT connector. You can measure the output voltage on the AUX pin if you want (there are 8 other pins that make this voltage available, but it's there. :-) )</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><br /></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><br /></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>= jumpers =</div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>= jumpers =</div></td> </tr> </table>

Rew https://bitwizard.nl/wiki/index.php?title=I2C_splitter&diff=2996&oldid=prev 2014-11-06T15:52:51Z

<p><span dir="auto"><span class="autocomment">general info</span></span></p> <table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 15:52, 6 November 2014</td> </tr><tr> <td colspan="2" class="diff-lineno">Line 7:</td> <td colspan="2" class="diff-lineno">Line 7:</td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>&lt;br&gt;</div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>&lt;br&gt;</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>Each I2C output has 4K7 pull-up resistors.</div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>Each I2C output has 4K7 pull-up resistors.</div></td> </tr> <tr> <td colspan="2" class="diff-empty diff-side-deleted"></td> <td class="diff-marker" data-marker="+"></td> <td class="diff-addedline diff-side-added"><br /></td> </tr> <tr> <td colspan="2" class="diff-empty diff-side-deleted"></td> <td class="diff-marker" data-marker="+"></td> <td class="diff-addedline diff-side-added"><div>The address would be written "0x70" for the Linux I2C-tools. BitWizard "naming convention" would call this address "0xe0".</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><br /></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><br /></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>= physical dimensions =</div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>= physical dimensions =</div></td> </tr> </table>

Rew https://bitwizard.nl/wiki/index.php?title=I2C_splitter&diff=2995&oldid=prev 2014-11-06T15:50:30Z

<p><span dir="auto"><span class="autocomment">using the board</span></span></p> <table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 15:50, 6 November 2014</td> </tr><tr> <td colspan="2" class="diff-lineno">Line 38:</td> <td colspan="2" class="diff-lineno">Line 38:</td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>On the raspberry pi, the board can be controlled with i2cset:</div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>On the raspberry pi, the board can be controlled with i2cset:</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><br /></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><br /></td> </tr> <tr> <td class="diff-marker" data-marker="−"></td> <td class="diff-deletedline diff-side-deleted"><div>i2cset 0x70 0x01</div></td> <td class="diff-marker" data-marker="+"></td> <td class="diff-addedline diff-side-added"><div>i2cset<ins class="diffchange diffchange-inline"> -y 0</ins> 0x70 0x01</div></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><br /></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><br /></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>to for example select the first bus.</div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>to for example select the first bus.</div></td> </tr> </table>

Rew https://bitwizard.nl/wiki/index.php?title=I2C_splitter&diff=2994&oldid=prev 2014-11-06T14:58:09Z

<p><span dir="auto"><span class="autocomment">using the board</span></span></p> <table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 14:58, 6 November 2014</td> </tr><tr> <td colspan="2" class="diff-lineno">Line 35:</td> <td colspan="2" class="diff-lineno">Line 35:</td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><br /></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><br /></td> </tr> <tr> <td class="diff-marker"></td> <td class="diff-context diff-side-deleted"><div>= using the board =</div></td> <td class="diff-marker"></td> <td class="diff-context diff-side-added"><div>= using the board =</div></td> </tr> <tr> <td colspan="2" class="diff-empty diff-side-deleted"></td> <td class="diff-marker" data-marker="+"></td> <td class="diff-addedline diff-side-added"><br /></td> </tr> <tr> <td colspan="2" class="diff-empty diff-side-deleted"></td> <td class="diff-marker" data-marker="+"></td> <td class="diff-addedline diff-side-added"><div>On the raspberry pi, the board can be controlled with i2cset:</div></td> </tr> <tr> <td colspan="2" class="diff-empty diff-side-deleted"></td> <td class="diff-marker" data-marker="+"></td> <td class="diff-addedline diff-side-added"><br /></td> </tr> <tr> <td colspan="2" class="diff-empty diff-side-deleted"></td> <td class="diff-marker" data-marker="+"></td> <td class="diff-addedline diff-side-added"><div>i2cset 0x70 0x01</div></td> </tr> <tr> <td colspan="2" class="diff-empty diff-side-deleted"></td> <td class="diff-marker" data-marker="+"></td> <td class="diff-addedline diff-side-added"><br /></td> </tr> <tr> <td colspan="2" class="diff-empty diff-side-deleted"></td> <td class="diff-marker" data-marker="+"></td> <td class="diff-addedline diff-side-added"><div>to for example select the first bus.</div></td> </tr> </table>

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