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ESP8266 ESP-01 ESP-01S Module Serial WiFi Wireless Transceiver Module
RS485-CAN-Board
Raspberry Pi 4 Model B RS485 CAN Board for Raspberry Pi 4B/3B+/3B/2B/Zero/Zero W
Wio-RP2040-Module
Raspberry Pi Pico Wio RP2040 Module Carrier Board WiFi Chip 2.4G Wireless Mini Development Board
10.3inch-e-Paper-(D)
10.3inch flexible E Ink raw display, black, white, 1872×1404
IoT-Power-CC
IoT Power CC Small hand held power meter 240x240 colour screen Maximum range 24V/5A