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A kit of parts to build a simple but very unusual and eye-catching circuit:- a Binary Timer Display! Just like a binary clock, you have to do some mental maths to work out how long you are setting the timer for!
To make the complete timer, you will also need a 14M2 Motherboard kit, 70-1063.
The binary timer display PCB lends itself to any projects that need 8 (or 9) LEDs and has sound capability which is shared with an analogue input. It makes a great running light too, easily incorporated into the binary timer routine.
|70-1077||Binary timer PCB||1|
|62-0378||2.2kΩ CR25 0.25W carbon film resistor||2|
|62-0370||1kΩ CR25 0.25W carbon film resistor||8|
|65-0740||470kΩ 16mm linear potentiometer||1|
|78-0186||2-pole SPST off-on mini push switch - red||1|
|35-0044||Miniature PCB piezo transducer||1|
|55-0155||Kingbright L-7113ID 5mm 2V red diffused LED 45mcd||8|
|32-1200||Tricolour knob - red insert||1|