Electronics Kits & Modules

Displaying 421-450 of 712 products

• Kitronik Light Activated Switch Kit

  $39.95 $5.74 at 48+

  Out of stock

  KitronikC3-HK01471

  

  Kitronik Light Activated Switch Kit

  Build a light-activated switch with this Kitronik kit. Includes PCB and all components. Ideal for learning electronics.

  $39.95

  Out of stock
• MP3 Jukebox Module

  $93.95 $48.08 at 48+

  Out of stock

  WhaddaC3-HK01459

  

  MP3 Jukebox Module

  Add MP3 playback from USB/SD cards to any audio system with this versatile module. Features stereo output & button controls. Perfect for DIY projects.

  $93.95

  Out of stock
• Whadda 3D LED Cube Kit, 27 Red LEDs, USB Powered

  $106.95 $58.40 at 48+

  Out of stock

  WhaddaC3-HK01457

  

  Whadda 3D LED Cube Kit, 27 Red LEDs, USB Powered

  Build & program a 3D LED light cube with this Whadda kit. Features 27 red LEDs, USB connectivity, and requires soldering. Perfect for STEM projects.

  $106.95

  Out of stock
• Whadda UK 1s to 60h Pulse / Pause Timer Kit

  $67.95 $28.38 at 48+

  Out of stock

  WhaddaC3-HK01453

  

  Whadda UK 1s to 60h Pulse / Pause Timer Kit

  Versatile Whadda timer kit with 1s to 60h range. Features pulse/pause start & single/loop modes. Ideal for irrigation, lighting & equipment cycling.

  $67.95

  Out of stock
• WHADDA Mini Flashing LED Star Kit - Yellow

  $54.95 $18.32 at 48+

  Out of stock

  WhaddaC3-HK01451

  

  WHADDA Mini Flashing LED Star Kit - Yellow

  Versatile WHADDA LED star kit with 35 red LEDs. Choose flashing or static mode for desktop, ceiling, or 12V car use. Battery powered.

  $54.95

  Out of stock
• WHADDA Mini Flashing LED Star Kit - Red

  $54.95 $18.32 at 48+

  Out of stock

  WhaddaC3-HK01450

  

  WHADDA Mini Flashing LED Star Kit - Red

  Versatile WHADDA LED star kit with 35 red LEDs. Choose flashing or static mode for desktop, ceiling, or 12V car use. Battery powered.

  $54.95

  Out of stock
• Whadda UK Clap On/Off Switch Kit

  $64.95 $25.34 at 48+

  Out of stock

  WhaddaC3-HK01447

  

  Whadda UK Clap On/Off Switch Kit

  Control lighting by clapping with the Whadda UK Switch Kit. Features 1/2 clap modes, auto turn-off timer & noise immunity. Ideal for accessibility.

  $64.95

  Out of stock
• Whadda UK Mini Water Alarm Kit 45x70mm

  $47.95 $13.38 at 48+

  Out of stock

  WhaddaC3-HK01438

  

  Whadda UK Mini Water Alarm Kit 45x70mm

  Whadda Mini Water Alarm Kit: buzzer alerts on water detection. Compact, battery-operated, sensor can be remote.

  $47.95

  Out of stock
• Electronic Flashing Heart Kit with 28 LEDs

  $55.95 $19.07 at 48+

  Out of stock

  WhaddaC3-HK01437

  

  Electronic Flashing Heart Kit with 28 LEDs

  Build your own 28 LED flashing heart display with this Whadda UK electronics kit. Low power, compact, perfect for DIY projects and learning.

  $55.95

  Out of stock
• VELLEMAN Electronic Mini Flashing Christmas Tree Kit

  $52.95 $16.42 at 48+

  Out of stock

  Velleman KitC3-HK01436

  

  VELLEMAN Electronic Mini Flashing Christmas Tree Kit

  Build a festive blinking Christmas tree with 16 LEDs. Low power, compact kit from VELLEMAN. Requires 9V battery.

  $52.95

  Out of stock
• Whadda Symmetric 1A Power Supply Kit

  $56.95 $19.49 at 48+

  Out of stock

  WhaddaC3-HK01430

  

  Whadda Symmetric 1A Power Supply Kit

  Universal symmetric power supply kit by Whadda UK. Adjustable 1.2-24VDC output, up to 2x 1A continuous. Ideal for op-amp and amplifier projects.

  $56.95

  Out of stock
• Whadda UK Multifunction Relay Switch Kit

  $83.95 $40.85 at 48+

  Out of stock

  WhaddaC3-HK01429

  

  Whadda UK Multifunction Relay Switch Kit

  Versatile Whadda relay switch kit with 14 functions, timer & learning mode. Controls lighting, fans & valves. 5A max load.

  $83.95

  Out of stock
• Whadda UK Metal Detector Kit

  $53.95 $17.87 at 48+

  Out of stock

  WhaddaC3-HK01428

  

  Whadda UK Metal Detector Kit

  Build this Whadda UK Metal Detector Kit to locate pipes, cables & studs up to 8cm deep. Ideal DIY electronics project.

  $53.95

  Out of stock
• Snap Circuits Replacement Spare Motor Top Module

  $36.95 $3.23 at 48+

  Out of stock

  Snap CircuitsC3-HK01356

  

  Snap Circuits Replacement Spare Motor Top Module

  Official Snap Circuits replacement spare motor top module. Durable, compatible part for repairing educational electronics kits and projects.

  $36.95

  Out of stock
• Replacement Permanent Magnet Module

  $41.95 $7.71 at 48+

  Out of stock

  Snap CircuitsC3-HK01309

  

  Replacement Permanent Magnet Module

  Official Snap Circuits replacement permanent magnet module. Compatible with all sets for educational electronics and STEM projects.

  $41.95

  Out of stock
• Snap Circuits Replacement Electromagnet Module

  $83.95 $39.96 at 48+

  Out of stock

  Snap CircuitsC3-HK01302

  

  Snap Circuits Replacement Electromagnet Module

  Replace or expand your Snap Circuits with this electromagnet module. Compatible with all kits, compact and reliable.

  $83.95

  Out of stock
• SNAP CIRCUITS Replacement Lamp Module with Bulb - 4.5V

  $43.95 $9.24 at 48+

  Out of stock

  Snap CircuitsC3-HK01295

  

  SNAP CIRCUITS Replacement Lamp Module with Bulb - 4.5V

  Replace or expand your Snap Circuits kits with this Replacement Lamp Module. Compatible with all kits. Small parts, not for children under 3s.

  $43.95

  Out of stock
• SNAP CIRCUITS Replacement Lamp Module with Bulb - 6V

  $43.95 $9.60 at 48+

  Out of stock

  Snap CircuitsC3-HK01293

  

  SNAP CIRCUITS Replacement Lamp Module with Bulb - 6V

  Replace or expand your Snap Circuits kits with this Replacement Lamp Module. Compatible with all kits. Small parts, not for children under 3s.

  $43.95

  Out of stock
• SNAP CIRCUITS Replacement Lamp Module with Bulb - 2.5V

  $43.95 $9.32 at 48+

  Out of stock

  Snap CircuitsC3-HK01291

  

  SNAP CIRCUITS Replacement Lamp Module with Bulb - 2.5V

  Replace or expand your Snap Circuits kits with this Replacement Lamp Module. Compatible with all kits. Small parts, not for children under 3s.

  $43.95

  Out of stock
• Whadda Voice Recorder / Playback Kit with Speaker

  $82.95 $39.69 at 48+

  Out of stock

  WhaddaC3-HK01191

  

  Whadda Voice Recorder / Playback Kit with Speaker

  Record & playback 60s audio with Whadda kit. Onboard mic, 9V DC/battery, adjustable sampling, 500mW speaker.

  $82.95

  Out of stock
• Kemo-Electronic Universal Preamplifier Module

  $58.95 $21.24 at 48+

  Out of stock

  KemoC3-HK01160

  

  Kemo-Electronic Universal Preamplifier Module

  Compact 9–24V DC preamp module for microphones. Provides 40dB gain, low distortion & high impedance. Ideal for DIY audio & PA systems.

  $58.95

  Out of stock
• Kemo-Electronic Relay Card Kit 12V DC

  $46.95 $12.15 at 48+

  Out of stock

  KemoC3-HK01149

  

  Kemo-Electronic Relay Card Kit 12V DC

  Kemo-Electronic 12V relay card kit. Switches 3A loads from weak 5mA signals. Ideal amplifier for LED outputs to control devices.

  $46.95

  Out of stock
• Water Level Sensor Kit

  $44.95 $10.49 at 48+

  Out of stock

  KemoC3-HK01148

  

  Water Level Sensor Kit

  Simple water level sensor kit. LED lights up on contact with water, ideal for overflow alarms in barrels, tanks, and gutters. 9V DC.

  $44.95

  Out of stock
• Kemo 1W Mono Audio Amplifier Kit

  $46.95 $12.71 at 48+

  Out of stock

  KemoC3-HK01146

  

  Kemo 1W Mono Audio Amplifier Kit

  Build your own audio solution with the Kemo 1W Mono Amplifier Kit. Features 2W peak power, 6-9Vdc operating voltage, and compact 41x24mm PCB.

  $46.95

  Out of stock
• Deftness Game Kit, 9-12Vdc

  $45.95 $11.88 at 48+

  Out of stock

  KemoC3-HK01143

  

  Deftness Game Kit, 9-12Vdc

  Deftness Game Kit: a fun electronic skill challenge. Guide a loop along a wire without touching to avoid lights & sound. 9-12Vdc kit.

  $45.95

  Out of stock
• Flasher / Alternating Flasher LED Kit 2x 300mA 6-16V DC

  $43.95 $10.10 at 48+

  Out of stock

  KemoC3-HK01136

  

  Flasher / Alternating Flasher LED Kit 2x 300mA 6-16V DC

  Adjustable LED flasher kit, 6-16V DC, 2x 300mA outputs, 1-3Hz flashing speed. Ideal for custom lighting.

  $43.95

  Out of stock
• Kemo Electronic Universal Amplifier Module - 12W

  $66.95 $27.33 at 48+

  Out of stock

  KemoC3-HK01123

  

  Kemo Electronic Universal Amplifier Module - 12W

  Robust 12W amplifier module, encapsulated, humidity-proof, no heat sink needed. Universal use, 6-16 VDC. Ideal for DIY audio.

  $66.95

  Out of stock
• Kemo Electronic Universal Amplifier Module - 3.5W

  $75.95 $21.92 at 48+

  Out of stock

  KemoC3-HK01122

  

  Kemo Electronic Universal Amplifier Module - 3.5W

  Robust 12W amplifier module, encapsulated, humidity-proof, no heat sink needed. Universal use, 6-16 VDC. Ideal for DIY audio.

  $75.95

  Out of stock
• Bentley Security Projects Everytime Timer

  $155.95 $95.76 at 48+

  Out of stock

  Bentley Security ProjectsC3-HK01119

  

  Bentley Security Projects Everytime Timer

  Bentley Everytime Timer digital module with Simple, Cyclic and Trigger Counting modes, 1 second to 64 weeks range and 12V to 24V DC supply.

  $155.95

  Out of stock
• BENTLEY SECURITY PROJECTS Ultra Timer Module

  $120.95 $68.89 at 48+

  Out of stock

  Bentley Security ProjectsC3-HK01118

  

  BENTLEY SECURITY PROJECTS Ultra Timer Module

  Versatile Bentley Security Projects Ultra Timer with 3 modes, 1s-64 weeks range & 9.5-30Vdc auto voltage. Compact 43x33x15mm.

  $120.95

  Out of stock