Specifications Voltage Type 5V 12V 24V optional Supply Voltage 3 3 5VRelay Channels 16Board Size 165 90mm Positioning Hole Diameter 3mmWeight 244gFeatures 1 Onboard mature and stable ESP32 WROOM 32E module large capacity 4M Byte Flash2 ESP32 module I O port and UART program download port are all drawn out to facilitate secondary development3 The onboard DC 12V to 3 3V power supply circuit supports DC 12V4 Onboard RST reset button and IO0 programmable button5 ESP32 supports Arduinno IDE compilation tools and provides reference programs under Arduinno development environment6 16 on board 5V relay output switching signal suitable for control of the control voltage of AC250V DC30V within the loadPackage Includes 1 x Relay Module2 x PinNote 1 Due to the light and screen difference the item s color may be slightly different from the pictures 2 Please allow 1mm 1cm differences due to manual measurement
