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Easy Build Timer Project Kit

Easy Build
Exclusive to Kitronik
Teaching Notes
Key Stage 3
The Easy Build Timer Kit can be set to time periods of up to 4 minutes. To begin the timer, press the button. As the LED turns from green to red, the time is up

Availability: In Stock.

Code1+ 5+ 50+
(£2.748 incl VAT)
(£2.10 incl VAT)
(£1.74 incl VAT)

With its low part count this easy build timer project makes a good introduction to electronics. The timer uses a resistor capacitor network to provide a time delay of between 1 second and 4 minutes, which is set by the PCB mount variable resistor. When the button is pressed the LED changes from red to green, then at the end of the time interval it turns red.

This product is also available in retail packaging making them an ideal gift. Click here to view the retail version.


  • Easy build timer kit.
  • When the time set has been reached the LED changes colour.
  • The time delay can be adjusted via the variable resistor.



  • PCB Length: 54mm.
  • PCB Width: 26mm.




Free samples:

Teachers can order a sample of this kit (one per school) here. You will need to select the kit from a list of all the sample kits; the stock code for this kit is 2111.
Note: this service is only offered to schools for evaluation purposes only.

Buy British:

 This kit is designed and manufactured in the UK by Kitronik.

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PCB LxW (mm): 54 x 26.
PCB Component Count: 11.
Voltage Nominal (V): 3.
Voltage Range (V): 2.4 - 3.5.
Standby Current (mA): 11.3.
Current max at Nominal Voltage (mA): 15.1.
Gallery Toothbrush Timer – Meole Brace School
Toothbrush Timer designed by students at Meole Brace School.
Gallery Toothbrush Timer – Meole Brace School Year 7
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Easy Build Timer demo
Video Easy Build Timer Demo
Easy Build Timer demo video.
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