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Line 130: − ===How do I connect things at the Raspberry Pi End?=== − − The I2C connection requires only two wires 2nd the Raspberry Pi is specifically designed to accept an I2C connection on Pins 3 (SDA Data) & Pin 5 (SCL Clock). − − Also Two Interupt lines are also required and these can be any pin address in the webconf drop down. It defaults to − − {| class="wikitable" − |+ Raspberry Pi GPIO Pins − |- − ! Odd Pins !! Function !! Function !! Even Pins − |- − | Pin 1 || <span style="color:#FFFFFF; background:#aa5500">3v3 Power</span> || <span style="color:#FFFFFF; background:#ff0000">5v0 Power</span> || Pin 2 − |- − | Pin 3 || <span style="color:#FFFFFF; background:#aa9900">I2C SDA Data Pin</span> || <span style="color:#FFFFFF; background:#ff0000">5v0 Power</span> || Pin 4 − |- − | Pin 5 || <span style="color:#FFFFFF; background:#aa9900">I2C SCL Clock Pin</span> || <span style="color:#FFFFFF; background:#000000">0v Ground</span> || Pin 6 − |- − | Pin 7 || - || - || Pin 8 − |- − | Pin 9 || <span style="color:#FFFFFF; background:#000000">0v Ground</span> || - || Pin 10 − |- − | Pin 11 || - || - || Pin 12 − |- − | Pin 13 || - || <span style="color:#FFFFFF; background:#000000">0v Ground</span> || Pin 14 − |- − | Pin 15 || - || - || Pin 16 − |- − | Pin 17 || <span style="color:#FFFFFF; background:#aa5500">3v3 Power</span> || - || Pin 18 − |- − | Pin 19 || - || <span style="color:#FFFFFF; background:#000000">0v Ground</span> || Pin 20 − |- − | Pin 21 || - || - || Pin 22 − |- − | Pin 23 || - || - || Pin 24 − |- − | Pin 25 || <span style="color:#FFFFFF; background:#000000">0v Ground</span> || - || Pin 26 − |- − | Pin 27 || - || - || Pin 28 − |- − | Pin 29 || - || <span style="color:#FFFFFF; background:#000000">0v Ground</span> || Pin 30 − |- − | Pin 31 || - || - || Pin 32 − |- − | Pin 33 || - || <span style="color:#FFFFFF; background:#000000">0v Ground</span> || Pin 34 − |- − | Pin 35 || - || <span style="color:#FFFFFF; background:#aa9900">MCP23017 INT-A Pin</span> || Pin 36 − |- − | Pin 37 || <span style="color:#FFFFFF; background:#aa9900">MCP23017 INT-B Pin</span> || -|| Pin 38 − |- − | Pin39 || <span style="color:#FFFFFF; background:#000000">0v Ground</span> || - || Pin 40 − |} −
→How do I connect things at the Raspberry Pi End?
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===Encoder Pins===
===Encoder Pins===
Each zynthian encoder is connected to a minimum of 4 wires.
Each zynthian encoder is connected to a minimum of 4 wires.