1~100 seconds Timer kit DIY Timer Timing Switch Electronic Production DIY Parts

If the timing range of one set is 1-95 seconds, the timing range of another set may be 1--120 seconds. Switching capacity: 3A 250V AC ,3A 30V DC. DIY

Gikfun 60 Seconds DIY Electronic Timer Soldering Practice Board Kit for Arduino 61 Red LED EK1904

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Red Countdown Timer 60s Rotary Electronic Clock DIY Kit 60s Rotate Seconds Count Smart Timing Alarm Teaching DIY Kits

Electronic Production DIY Parts 1~100 seconds Timer kit DIY Timer Timing Switch

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EQKIT® 60 Seconds Electronic Timer Kit DIY Parts from MMM999 on Tindie

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Dingdong Store DIY Electronic Clock Kit, Soldering Practice DIY Timer Kit Digital Clock : Tools & Home Improvement

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Gikfun 60 Seconds DIY Electronic Timer Soldering Practice Board Kit for Arduino 61 Red LED EK1904

EQKIT® 60 Seconds Electronic Timer Kit DIY Parts from MMM999 on Tindie

60 Second Countdown Timer DIY Kit Red/Yellow Smart Timing Alarm Electronic Parts and Components Eletronicos Electronic DIY - AliExpress

Interesting 555 Timer Projects and Circuits with Source Code