The M5Stack 2-Relay 13.2 Module is a 2-Channel AC Relay base for the M5Stack Core series. The module supports 250V/5A per channel. It conforms to 13.2mm thickness, with an onboard STM32F030 for I2C communication. Examples are provided for Arduino and UIFlow programming. Features * STM32F030F4 * I2C communication (address: 0x26) * 2-Relay * Power input (supports AC/DC input) * Programming platform: Arduino/UIFLOW Package Contents * 1× 2-Relay Module * 2x VH3.96 2-pin header blocks Specifications Resources Parameters MCU STM32F030F4P6 Actuator 2 RELAY Electrical Characteristics AC/DC Contact material AgSnO2 CH Maximum power 250VAC @ 5A Contact resistance ≤100mΩ Product Size 54mm × 54mm × 20.2mm Package Size 95mm × 65mm × 25mm Product Weight 33.4g Package Weight 35.6g Resources * Product documentation * 932-5VDC-SL-AH relay datasheet * STM32F030F4P6 datasheet * Schematic * Dimension drawing * Arduino Examples * 2Relay Control Demo * Config 2Relay I2C Address Demo * UIFlow example: Opposite Toggle Operation For 2 Relay https://elecena.pl/product/22727870/m5stack-2-channel-ac-relay-module-13-2-stm32f030 2023-03-07 https://elecena.pl/product/22727870/m5stack-2-channel-ac-relay-module-13-2-stm32f030 2023-12-27 https://elecena.pl/product/22727870/m5stack-2-channel-ac-relay-module-13-2-stm32f030 2024-09-18 https://elecena.pl/product/22727870/m5stack-2-channel-ac-relay-module-13-2-stm32f030 2024-11-29 https://elecena.pl/product/22727870/m5stack-2-channel-ac-relay-module-13-2-stm32f030 2024-11-30 https://elecena.pl/product/22727870/m5stack-2-channel-ac-relay-module-13-2-stm32f030 2025-04-29 https://elecena.pl/product/22727870/m5stack-2-channel-ac-relay-module-13-2-stm32f030 2025-11-28 https://elecena.pl/product/22727870/m5stack-2-channel-ac-relay-module-13-2-stm32f030 2025-11-29