20cm Female to Female 4Pin DuPont wire

2SK3131

Raspberry Pi 4 Model B 3 B+ Starter Learning Kit, without raspberry

3w 4Ω amplifier speaker

TDA2030A Audio Amplifier Module

SN74LS259N

MQ4 Gas sensor only

Capacitor -2200uF / 50V

MINI reed switch module

10 Ohm - 1/4W Metal Flim Resistor

SBR3516 - Three-Phase Bridge Rectifier - 1600 V - 35 A

5MM PITCH 3 POLE PCB MOUNT SCREW TERMINAL BLOCK CONNECTOR