Node MCU ESP8266 V3 (LOLIN CH340 chip) Raspberry Pi 4 Model B 8 GB RAM The board features isolated relay

The board features isolated relay outputs with NO/NC/COM contacts

Thermal paste typically offers slightly better thermal transfer due to better conformability to surface irregularities

Ultra-Low Power Design: The nRF52840 processor combined with latching relays and intelligent sleep modes enables operation on minimal solar harvesting even in low-sunlight conditions

Learning & Education: Ideal for students learning basic electronics

protecting the developer board from accidental drops and static discharge

Node MCU ESP8266 V3 (LOLIN CH340 chip) Raspberry Pi 4 Model B 8 GB RAM The board features isolated relayNodeMCU ESP8266 V3 LOLIN CH340 WiFi Development Board Build powerful IoT projects with the NodeMCU ESP8266 V3 featuring the reliable CH340 USB to serial chip. This open source WiFi development board combines the ESP 12E module with a convenient USB interface, onboard voltage regulator, and breadboard friendly design making it the go to board for connected projects. Available now from The Engineer Store, Bengaluru with fast shipping, 7 day warranty on