Breadboard Power Supply (3.3V-5V) 9V Original HW High-Quality Battery Install the esp8266 board package

Install the esp8266 board package version 2

Full Port Accessibility: Precisely cut openings for all Raspberry Pi 4B ports including dual micro-HDMI

Lua (NodeMCU firmware)

enabling photo viewers

Learning & Education: Ideal for students learning embedded systems

Breadboard Power Supply (3.3V-5V) 9V Original HW High-Quality Battery Install the esp8266 board packageBreadboard Power Supply (3. 3V 5V) Deliver clean, regulated power directly to your breadboard with this compact dual voltage power supply module. Plug it onto any standard breadboard, connect a DC adapter or USB cable, and instantly get selectable 3. 3V or 5V on both power rails no more messy jumper wires from external regulators. Specifications Output Voltages 3. 3V and 5V (independently selectable per rail via jumpers) Input Voltage 6. 5V 12V DC