940nm LED Infrared Emitters And Receiver Diode (Pack of 2)

LM 393 IC

33mm Translucent Yellow Push button with +5V LED illumination 

LED Clip Holder Black Plastic 3mm (Pack of 2)

L7805, L7806, L7808, L7809, L7810, L7812, L7815, L7818, L7824, LM317 voltage regulators

TO-220 package

ESP32 HMI 4M Flash For Arduino LVGL WIFI&Bluetooth CH340 1.9 " 170*320 Smart Display Screen 1.9 inch IPS LCD TFT Module

300pcs 30 Values 0.5W 2V0-39V DO-35 Zener Diode Kit

10k Ohms 1/2W Trimmer Potentiometer Top Adjustment