MB-102 Breadboard Wire Kit Experimental Circuit High-Quality Perfboard 400/830 Holes Solderless DIY Combination

$4.50

P5506 Power Bank Large Capacity Kit Mobile Power Circuit Board Soldering Practice DIY Production Parts YH-659

$35.30

Plug-and-Play Transparent Free Splicing Solderless 21700/18650 Battery Box Energy Storage Power Supply Kit

$44.30

Adjustable DC Regulated Power Supply for DIY Kits, 24V/12V 1A Electronic Experiment Unit YH-729

$38.90

MB-102 Breadboard Wire Kit, High-Quality Perfboard for Experimental Circuits 400/830 Holes, Solder-Free DIY Combo

$3.64

I2C IIC Interface Expansion Conversion Board Suitable for Arduino Raspberry Pi microbit Development Boards

$8.00

Sound Sensor Mic Head Amplifier Module Adjustable Gain Audio Amplifier Circuit Module DIY

$5.51

Transistor Series Regulator + LM317 Adjustable DC Power Supply DIY Experiment Soldering Kit YH-488

$2.49

Solder-Free Dedicated Power Module for Beginners Breadboard Experiment DIY Production Kit Connection Wires

$3.70

Three-Terminal Regulator L7809+L7909 Dual Power Board Electronic Positive/Negative 9V Dual Voltage Regulator Kit ZYKJ-194

$6.70

LM317 Adjustable Power Supply DIY Kit DC Regulated Power Module Components Soldering Electronics Project Parts

$20.85

Adjustable DC Switching Regulated Power Supply Circuit Kit DIY Electronics Electrical Experiment Training Soldering Board YH-939

$5.50