DC 12V 24V Multifunction ESP32 Expansion Board WiFi Digital Analog IO Module for Arduino Web MQTT Ethernet Network Relay DIY (300MA Out with Shell)
$26.94
Description
DC 12V 24V Multifunction ESP32 Expansion Board Wifi Digital Analog IO Module.Working voltage: DC 12V-24V.ES32A08/ES33B08 can not work independently, must be under the control of the 38PIN ESP32 board to work.On-board resources: 1x RS485 Interface 8x opto-isolated inputs (low level trigger, NPN type), 4x 0/4-20MA Current Input,4x 0-5V/10V Voltage Input,4x buttons, 1x 4 bit digital tube display, 1x ESP32 slots, 8x relay outputs
