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

LED Timer Clock MM:SS - Digital Display Systems

How to Wire a Time Switch

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

60 Seconds Electronic Timer DIY Kit- Assembly and Review

How to make a simple circuit with a 12v relay that switches off and on again after 20 seconds automatically - Quora

Simple Digital Timer Circuit with 2 Digit Display - Homemade Circuit Projects

KG316T Microcomputer Control Power Timer Switch Timer Controller LCD Display Digital Programmable Timer Relay AC 110V(AC110V) : Tools & Home Improvement

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

Using Arduino Interrupts - Hardware, Pin Change and Timer

Repeat Cycle Timer