This NodeMCU ESP8266 Expansion Base Board is an expansion board designed to work with the NodeMCU V3 ESP8266 ESP-12E. Powered by 6V to 24V DC input, it provides the support power to operate the NodeMCU V3, and provide easy connection to all of its input and output pins to help you connect your NodeMCU board to other devices.
When working with Wifi, an OLED screen is a very useful component to have. You can do all kind of thinks like displaying signal strength and other useful information easily.
The module is based on Nokia 5110 which is a basic graphic LCD screen for lots of applications.
It is suitable for Arduino motherboard to display real time clock, CPU memory, temperature and humidity,
and its backlight can help you to read the screen clearly in the dark environment.
The official Raspberry Pi USB-C power supply is designed to power the latest Raspberry Pi 4 Model B boards which were released in June 2019. Suitable for All Raspberry Pi4 Models (1GB,2GB,4GB).