9V 1A Plugin Power Supply

165x55x10mm

Battery Spring Set (3 parts)

328Pcs Polyolefin Shrinking Assorted Heat Shrink Tube Wire Cable Insulated Sleeving Tubing

50k Ohms 1/2W Trimmer Potentiometer Top Adjustment

Raspberry Pi Pico Board RP2040 Dual-Core 264KB ARM Low-Power Microcontroller with High-Performance Cortex-M0+ Processor

The 

5mm LED blue light emitting diode, 5 LEDs per pack

Working current: 20 (mA)

Working voltage: 1.7V-2.1V