The KinCony KC868-A4S 4-channel GSM relay esp32 board is best for projects, IoT automation, power control boards, and smart automation with WiFi and GSM.
The KC868-A4S esp32 board is based on an ESP32 wifi chip, and there are many hardware resources for you to use. it supports GSM module for SMS, voice calls, and GPRS communication. Using SMS or call to turn the ON/OFF relay will be very easy for home automation DIY. It also has 8 8-channel dimmer output and a PWM output extender. You can write any code by Arduino IDE to the ESP32 wifi/Bluetooth/ethernet RS485 module. We will supply demo code for different samples. Everyone can modify and change the code for their own smart home automation system project. it supports use by ESPHome for home assistants or Tasmota firmware for smart home automation DIY.
4 channel GSM relay esp32 board bd,KinCony KC868-A4S 4 channel GSM relay esp32 board
Product features:
1. hardware open source, installed on DIN RAIL
2. Made for ESPHome work with home assistant
3. support Arduino IDE / Micro Python / ESP-IDF program tool
4. support KinCony KCS firmware used by web service
5. support HTTP, MQTT, TCP, RS485 Modbus protocol, and Tuya app (need Tuya license)
product details see here: https://www.kincony.com/4-channel-gsm-relay-esp32-board.html
KinCony KC868-A4S 4 channel GSM relay esp32 board (4 channel GSM relay esp32 board bd)
https://www.kincony.com/4-channel-gsm-relay-esp32-board.html
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