| Back B Pin || Pin 29 || 21|| <span style="color:#FFFFFF; background:#00aa00">GPIO 5</span> || <span style="color:#FFFFFF; background:#000000">0v Ground</span> || - || Pin 30|| 0V | | Back B Pin || Pin 29 || 21|| <span style="color:#FFFFFF; background:#00aa00">GPIO 5</span> || <span style="color:#FFFFFF; background:#000000">0v Ground</span> || - || Pin 30|| 0V |