TZT Plastic Standard Size AA/18650 Battery Holder Box Case Black With Wire Lead 3.7V/1.5V Clip

$0.08

20pcs 2W Metal film resistor 1% 1R ~ 1M 2.2R 4.7R 10R 22R 47R 100R 220R 470R 1K 10K 100K 2.2 4.7 10 22 47 100 220 470 ohm

$0.18

ESP32 Development Board WiFi+Bluetooth Ultra-Low Power Consumption Dual Core ESP-32S ESP32-WROOM-32D ESP32-WROOM-32U ESP 32

$0.59

TZT Potentiometer Resistor 1K 2K 5K 10K 20K 50K 100K 500K 1M Ohm WH148 Linear Potentiometer 2M 15mm 3pins With Nuts And Washer

$0.09

TZT Dupont Line 10cm/15CM/20CM/30CM Male to Male+Female to Male + Female to Female Jumper Wire Dupont Cable for arduino DIY KIT

$0.27