Hello all, has anyone tried to use a MSP23Sxx pin as sensing pin for the R503 Fingerprint reader? Is this possible? I do not get a working configuration.

Solved with the following configuration: sensing_pin: mcp23xxx: mcp23s17_hub number: 1 mode: input: true

Please don't bother to post your (not working) configuration and logs as it might helps us to help you :see_no_evil: [image] How to help us help you - or How to ask a good question Configuration Before we begin… This forum is not a helpdesk The people here don…

For sure sorry. Below the configuration I’ve tried. I’ve never loaded it to the board because esphome showed me the failure message: Cannot resolve pin name 'mcp23s17_pin9' for board d1_mini. Maybe I already found a way. I will check this soon. esphome: name: "test-d1mini" esp8266: board: d…

R503 - Use MCP23Sxx input as sensing pin

ESPHome

orange-assistant (■■■■■■■■) February 10, 2023, 7:56pm 2

Please don't bother to post your (not working) configuration and logs as it might helps us to help you