Begin electronics with WHADDA’s solderless starter kit. Build 10 projects using a breadboard & components – no soldering needed. 9V battery not included.
From $24.51
WHADDA Signal Generator Mini Kit, 1kHz, 0-100mVrms
From $11.20
WHADDA Signal Generator Mini Kit, 1kHz, 0-100mVrms
WHADDA
Compact WHADDA signal generator with sine/square/triangle wave output, 0-100mVrms adjustable level, ideal for testing circuits.
From $11.20
WHADDA USB Experiment Interface Board Kit, K8055N
From $52.63
WHADDA USB Experiment Interface Board Kit, K8055N
WHADDA
Expandable K8055N USB interface board with 5 digital inputs, 8 outputs, 2 analogue I/O, for Windows development.
From $52.63
WHADDA Electronic Transistor Ignition Kit for 6V & 12V Systems
From $26.84
WHADDA Electronic Transistor Ignition Kit for 6V & 12V Systems
WHADDA
Upgrade car ignition with WHADDA’s shockproof transistor kit for smoother starts, better fuel efficiency & reduced emissions.
From $26.84
WHADDA Mini Traffic Light Kit with Realistic Operation
From $15.14
WHADDA Mini Traffic Light Kit with Realistic Operation
WHADDA
Compact WHADDA mini traffic light kit with 12 LEDs & adjustable delay. Ideal for model railways, exhibitions & toys.
From $15.14
WHADDA Interval Timer Module for Automation, 12V DC
From $27.23
WHADDA Interval Timer Module for Automation, 12V DC
WHADDA
Versatile 12V DC interval timer module with adjustable pulse & pause times for automation, photography & models.
From $27.23
WHADDA 1s to 60h Pulse/Pause Timer Module, 12-24VDC
From $52.32
WHADDA 1s to 60h Pulse/Pause Timer Module, 12-24VDC
WHADDA
Versatile WHADDA timer (1s-60h range) with 16A relay, perfect for automation, irrigation, and equipment control.
From $52.32
WHADDA Stereo Ultrasonic Sound & Bat Detector Kit, 20-90kHz
From $35.91
WHADDA Stereo Ultrasonic Sound & Bat Detector Kit, 20-90kHz
WHADDA
Convert ultrasonic sounds (20-90kHz) for bat research & electrical diagnostics. Requires assembly. Powered by AA batteries.
From $35.91
WHADDA 1s to 60h Pulse/Pause Timer Kit, 12-24V DC
From $22.93
WHADDA 1s to 60h Pulse/Pause Timer Kit, 12-24V DC
WHADDA
Versatile DIY timer kit with a 1s-60h range, 12-24V DC supply, and 16A relay output. Ideal for automation projects.
From $22.93
WHADDA Solar Bug Kit with Green LED & Chirping Sound
From $17.62
WHADDA Solar Bug Kit with Green LED & Chirping Sound
WHADDA
Fun solar-powered bug kit with chirping sound and green LED glow. Requires soldering – great for gardens & educational projects.
From $17.62
WHADDA Halloween SMD LED Haunting Bat Kit, Sound-Activated
From $16.38
WHADDA Halloween SMD LED Haunting Bat Kit, Sound-Activated
WHADDA
Spooky sound-activated bat kit with 12 orange LEDs. Perfect for Halloween and soldering practice. Requires CR2032 battery.
From $16.38
WHADDA Crawling Microbug DIY Robot Kit
From $21.44
WHADDA Crawling Microbug DIY Robot Kit
WHADDA
Light-following DIY robot kit with adjustable speed. STEM project requiring soldering. Powered by 2x AAA batteries (not included).
From $21.44
WHADDA Electronic Cicada Kit with Sound Effects
From $21.37
WHADDA Electronic Cicada Kit with Sound Effects
WHADDA
Build a sound-reactive cicada with WHADDA’s electronic kit—LED flickers & buzzer activates in darkness. Requires soldering.
From $21.37
WHADDA 8-Channel USB Relay Card for PC Control
From $150.30
WHADDA 8-Channel USB Relay Card for PC Control
WHADDA
Control up to 8 relays via USB with WHADDA's PC-compatible relay card. Features VDR noise suppression & 16A capacity.
From $150.30
WHADDA Low Voltage LED Dimmer Module for 12V/24V Lights
From $39.68
WHADDA Low Voltage LED Dimmer Module for 12V/24V Lights
WHADDA
Control your 12V/24V LED or halogen lights with WHADDA's adjustable dimmer module. Perfect for cars, DIY projects & more.
From $39.68
WHADDA Adjustable Power Supply Module, 1.2V-30V, 1A
From $19.34
WHADDA Adjustable Power Supply Module, 1.2V-30V, 1A
WHADDA
Versatile WHADDA adjustable power supply module (1.2V-30V, 1A). Ideal for motors, bulbs & DIY electronics with protection features.
