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WREN 12S ME SDK – GPIO Matrix

WIKI:

The WREN 12S ME SDK, Production PCA V1, has the below GPIO Matrix.  This is used to assign required I/O matrix configurations, or template, within the WREN 12S ME SDK code.

Note: Some GPIO are used on the ESP-12S and the main Motor Controller are linked to the MCP23017 (I2C Expander) – as defined below.

For Tasmota users, please also refer to this page, for additional MCP23017 addressing information.

GPIONETPinInputOutputNotes
/RST/RST1Y Pull UpCHIP_PU 10k to 3v3
ADCDC_ADC2YADC - Input Volt Sense 30V Potential Divider
ENEN3Y Pull UpPull Down To Disable. UART DTR
16/LBLUE4YBlue LED - Low for Active LED
14TP5
12/LGREEN6YGreen LED - Low for Active LED
15TP7YY
VCC3V38
GNDGND9
13IO_INT10Y Pull UpMCP23017 INTB Out
2/LRED11YRed LED - Low for Active LED. via 100R
0GPIO012Y Pull UpUART RTS
4SDA13I2C SDA
5SCL14I2C SCL
RXDRXD15UART RXD
TXDTXD16UART TXD
GPA0EN_A#21 D0sensor29 0MCP23017 - 0x20
GPA1OUT_1A#22 D1sensor29 1MCP23017 - 0x20
GPA2OUT_2A#23 D2sensor29 2MCP23017 - 0x20
GPA3EN_B#24 D3sensor29 3MCP23017 - 0x20
GPA4OUT_1B#25 D4sensor29 4MCP23017 - 0x20
GPA5OUT_2B#26 D5sensor29 5MCP23017 - 0x20
GPB0IN_1A#1 D8sensor29 8MCP23017 - INTB OUT - 0x20
GPB1IN_1B#2 D9sensor29 9MCP23017 - INTB OUT - 0x20
GPB2IN_2A#3 D10sensor29 10MCP23017 - INTB OUT - 0x20
GPB3IN_2B#4 D11sensor29 11MCP23017 - INTB OUT - 0x20
GPB4/TALM#5 D12sensor29 12MCP23017 - INTB OUT - 0x20

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