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:: Home » Meters & Detectors » Page 8

Meters & Detectors

Include: Volt meters :: Sound level meter :: Analog vu meter :: Soil moisture meter :: Digital meter circuit diagram :: Temperature measurements :: Electronic measurement tools :: Frequency meters :: Best battery tester :: Transistor tester project
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Diy digital voltmeter panel meter 0-50V

Last Updated on: July 15, 2020 by Apichet Garaipoom

This is Diy digital voltmeter panel meter 0-50V is 0-50V scale. Display with LED 7 segment. In cost 3$ dollar only, builds simple regulator dc power supply

Categories Meters & Detectors Tags 9V Power Supplies, Volt Meters 4 Comments

Simple SCR tester circuit diagram

Last Updated on: July 13, 2021 by Apichet Garaipoom
Perfect SCR tester circuit

Simple SCR tester circuit diagram is very useful. We can know location pin on gate lead, anode lead and cathode lead. can also test diode, LED and Triac

Categories Meters & Detectors Tags Electronic Test equipments Leave a comment

Simple high water level alarm circuit project

Last Updated on: April 15, 2022 by Apichet Garaipoom
simple high level water alarm circuit diagram

This is Simple high water level alarm circuit diagram which we need to build it since: fish pond The water level will drop rapidly. We need to check water

Categories Meters & Detectors Tags Water Sensor Alarms 2 Comments

The telephone line status indicator

Last Updated on: July 13, 2021 by Apichet Garaipoom
telephone line status indicator circuit

The telephone line status indicator to prevent the hearing others talk on the phone accidentally and a Protection to making phone calls simultaneously. […]

Categories Meters & Detectors Tags Level voltage indicator, Telephone circuits 5 Comments

Simple metal detector circuit

Last Updated on: June 16, 2022 by Apichet Garaipoom
capacitors virtual which caused from parallel of metal

This is a simple metal detector circuit, Can find various metal and adjustable sensitivity Easy to use near metal. use IC-NE556-Monostable multivibrator

Categories Meters & Detectors Tags NE556 10 Comments
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