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Kincony IR+RF 4 Channel Relay Board
Model reference: KC868-A4
Kincony IR+RF 4 Channel

Available from:
Aliexpress.com
Aliexpress.com
Alibaba.com


Manufacturer:
Kincony.com

Install method:
USB to Serial

GPIO #Component
GPIO00 Button 1
GPIO01 None
GPIO02 Relay 4
GPIO03 None
GPIO04 Relay 1
GPIO05 Relay 2
GPIO09 None
GPIO10 None
GPIO12 None
GPIO13 DS18x20
GPIO14 User
GPIO15 Relay 3
GPIO16 None
GPIO17 None
GPIO18 Buzzer
GPIO19 RFrecv
GPIO20 None
GPIO21 RFSend
GPIO22 IRsend
GPIO23 IRrecv
GPIO24 None
GPIO25 User
GPIO26 User
GPIO27 User
GPIO6 None
GPIO7 None
GPIO8 None
GPIO11 None
GPIO32 ???
GPIO33 ???
GPIO34 ADC Input
GPIO35 ???
GPIO36 User
GPIO37 None
GPIO38 None
GPIO39 User
Configuration for ESP32
{"NAME":"KC868-A4","GPIO":[32,0,227,0,224,225,0,0,0,1312,1,226,0,0,480,1152,0,1120,1056,1088,0,1,1,1,0,0,0,0,4706,4707,4704,4705,1,0,0,1],"FLAG":0,"BASE":1}
Flashing instructions for tasmota32 firmware.

Use the mini USB port to flash the device.

Terminals marked DA1 and DA2 are DAC GPIO’s 25 and 26 which can be controlled using Berry gpio.dac_voltage.

Digital inputs are optocoupler isolated. RF433 receiver and transmitter come only in some bundles.

Button marked S2 is a bit fussy when trying to use multi-press, adjust if needed using ButtonDebounce.

Functions

Kincony forums have examples and demos of all the functions with various firmware

Schematics