We have designed KC868-A16S (ESP32 16 channel relay board) for home automation DIYer. it can easy integrate to home assistant by ESPHome. the hardware have 16CH relay (MAX AC250V 10A) output + 16CH digital input + 4CH analog input, support RS485 + Ethernet + WiFi + Bluetooth + 4G SIM7600 or 2G SIM800L GSM module + DS3231 RTC module + manual control button panel.
Related technical information
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schematic: https://www.kincony.com/download/KC868-A16S-schematic.pdf
ESP32 I/O pin define: https://www.kincony.com/forum/showthread.php?tid=2788
config yaml file for ESPHome: https://www.kincony.com/forum/showthread.php?tid=2789
arduino demo source code: https://www.kincony.com/forum/forumdisplay.php?fid=47
KCS v2 firmware online guide: https://www.kincony.com/esp32-kcsv2-firmware.html
KCS v2 function explanation video tour: https://youtu.be/-DexVHAxPUM
