Simple remote control tester circuit
This Simple remote control tester circuit so use this photo transistor is light receiver from remote control.If it is nice to have bias of transistor BC558
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November 10, 2018
Simple 555 IC Tester Circuit Diagram
Normal multimeter cannot check it. This circuit can help you.
July 3, 2017
4 simple transistor tester circuits
This is the Transistor tester circuit into PCB. When your project do not works, the tester electronic parts or component be what need very much.
June 3, 2017
Coaxial cable tester circuit
This is Coaxial cable tester circuit,to check the cables inside and outside. Check the continuity,short-circuited,detect high resistance, By show with LED [...]
May 16, 2017
555 audio simple ohmmeter circuit
This is 555 audio simple ohmmeter circuit. Some times, we need to measure roughly resistances only. we can know resistances by audio also fast check. [...]
April 18, 2017
Simple capacitance measurement circuit using IC-555
Simple capacitance measurement circuit using IC-555, with the frequency counter as digit number display, that can measure the period.To show value directly [...]
March 16, 2017
Simple Continuity Tester circuit using IC-4011
Here is a Simple Continuity Tester circuit using IC-4011. If you are looking for a simple project for kids to learn oscillator on digital.
February 24, 2017