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:: Home » Meters & Detectors » Page 3

Meters & Detectors

Continuity tester circuit with Buzzer and LED

Last Updated on: May 16, 2024 by Apichet Garaipoom
Create continuity tester circuit with buzzer and LED

Create continuity tester circuit with buzzer and LED for check solder joint defects, not kill components on PCB, as probe gives tiny current and voltage. Read more

Categories Meters & Detectors Tags Electronic buzzer, IC-741, Tested 4 Comments

Simple Light Detector Alarm with solar sensor

Last Updated on: July 17, 2024 by Apichet Garaipoom
Simple Light Detector Alarm

This is Simple Solar light alarm circuit with the special edition, that improve this circuit whole new to higher efficiency. use solar cell instead of LDR Read more

Categories Meters & Detectors Tags Light Alarm Circuits 1 Comment

Food & Water Salinity Tester Meter circuit

Last Updated on: March 19, 2025 by Apichet Garaipoom
salinity tester meter circuit

SEE a simple salinometer or salinity tester in food and water. Good for health. Using LM324 and few parts and LED display easily use, with 9V batts Read more

Categories Meters & Detectors Tags Electronic Test equipments 6 Comments

3 idea Polarity & Car Electrical Probe tester circuit

Last Updated on: July 7, 2024 by Apichet Garaipoom
555 Polarity Car Electrical Probe tester circuit

See 3 ideas of 555 DC polarity probe tester circuit. Check Car Electrical in easy, find open circuit, automotive short circuit, loose connection. Learn more Read more

Categories 555 Timer, Meters & Detectors Tags Electronic Test equipments 4 Comments

Digital multimeter circuit using ICL7107

Last Updated on: March 19, 2025 by Apichet Garaipoom
Digital multimeter circuit using ICL7107/7016

his is Digital multimeter circuit using ICL7107. dc digital meter circuit to smart full function, measure DCV, ACV, DC Amp meter, AC Amp meter, Ohms […] Read more

Categories Meters & Detectors Tags Electronic Test equipments 19 Comments
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