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GPIO Pinout

The Doorman S3 uses certain GPIO pins for specific functions and provides additional GPIO pins for your own sensors and devices.

Revision 1.3 - 1.4

GPIOPurpose
GPIO01Red Status LED
GPIO02WS2812B RGB Status LED
GPIO08TC:BUS TX - Shorts the Bus to Ground
GPIO09TC:BUS RX - Reads Bus Data / ADC input (with onboard Voltage Divider - 1M+160K)
GPIO40Free I/O
GPIO4110K Onboard Resistor for External Button
GPIO42Relay for Analog Door Opener or Light
GPIO48Free I/O

Revision 1.5

GPIOPurpose
GPIO01Red Status LED
GPIO02WS2812B RGB Status LED
GPIO08TC:BUS TX - Shorts the Bus to Ground
GPIO09TC:BUS RX - Reads Bus Data / ADC input (with onboard Voltage Divider - 1M+160K)
GPIO10Connected to GPIO09, alternative ADC input
GPIO40Free I/O
GPIO4110K Onboard Resistor for External Button
GPIO42Relay for Analog Door Opener or Light
GPIO48Free I/O

Revision 1.6

GPIOPurpose
GPIO01Red Status LED
GPIO02WS2812B RGB Status LED
GPIO08TC:BUS TX - Shorts the Bus to Ground
GPIO09TC:BUS RX - Reads Bus Data / ADC input (with onboard Voltage Divider - 1M+147K)
GPIO10Connected to GPIO09, alternative ADC input
GPIO40Free I/O
GPIO41External Button
GPIO42Relay for Analog Door Opener or Light

Released under the GPL 3.0 License.