Transistors are very important in electronics and they make signals strong and turn things ON/OFF and do many jobs, hence, to check if its good then we need to test them. Also, testing helps find problems and broken parts. This article for Simple 555 Timer Based Transistor Tester Circuit which show easy way to test […]
Simple Timer Based Clock Ticking Sound Circuit
This article is about Simple Timer Based Clock Ticking Sound Circuit using IC 555, as 555 in astable mode make repeat signal like clock tick.; also, signal goes to small speaker and make ticking sound. Furthermore, circuit is good for beginner, easy to learn 555 timer and sound making. Circuit Working: Parts List: Components Values […]
Building an Auto Street Light Circuit using IC 741 and Transistor
This post talks about Building an Auto Street Light Circuit using IC 741 and Transistor, as it turns ON at night and OFF at day. Furthermore, this circuit is simple and saves energy and it uses relay to control light, LDR to sense light, BC547 transistor drives relay and IC 741 works as a comparator. […]
Easy DIY Timer Alarm Circuit with 555 IC
IC 555 is very popular and useful chip in electronics and it works in different modes with bistable, astable and monostable. Here we used IC 555 in monostable mode to make a Easy DIY Timer Alarm Circuit with 555 IC, also we can set time and after that the buzzer or alarm will ring. In […]
Simple 60 Second Timer Circuit using IC 555
Simple 60 Second Timer Circuit using IC 555 controls timing in many electronic applications, also this circuit uses the 555 timer IC, a popular chip that engineers and hobbyists widely use for timing functions. Press push button and LED turns ON for about 1 minute. Also, this circuit is good for delay lights, fun projects […]
Designing an EL Wire Power Supply Circuit
EL wire need special power and normal battery DC cannot power it. EL wire is thin, bright and flexible and people use it in art projects, clothing, signs and decorative lighting, also it requires a high-voltage AC supply of 100 to 200V at a frequency of 1–5 kHz. So, need EL wire inverter circuit where […]