Electronic and electrical testers circuit diagrams electronics projects

Testers electronic circuit diagrams electronics projects for electronic components and circuits.

LTC1042 TTL signals monitor circuit

Using the LTC1042 chip, manufactured by Linear Technology, can be designed a TTL signals monitor circuit. LTC1042 is a window comparator that can work with some very small currents.

Circuit Diagram: 
LTC1042 TTL signals monitor circuit diagram

Low battery indicator circuit diagram electronic project

A low battery indicator can be designed using this electronic scheme.
Current through circuit not greater than 1 mA and therefore it is not an additional big task for the battery.

Circuit Diagram: 
Low battery indicator circuit diagram electronic project

Battery state tester circuit

This simple battery state tester which can simply check state of charge of the different types of batteries.

Circuit Diagram: 
Battery state tester circuit diagram

Circuit Diagram
Battery state tester circuit

This simple battery state tester which can simply check state of charge of the different types...

Battery state tester circuit diagram
TTL tester circuit

Using electronic diagram below can be made a very simple TTL tester. One of the three LEDs will...

TTL tester circuit diagram
Transistor tester electronic project

Using circuit diagram shown below can be made a very simple transistor tester circuit that can...

Transistor tester circuit diagram
Null detector polarity tester circuit diagram

It’s very easy to test the polarity of a signal at a point from...

Electric continuity tester circuit diagram

An electric continuity tester for checking the electrical connections, cables can be designed...

Electric continuity tester circuit diagram
SCR tester circuit diagram

A very simple and useful SCR tester circuit diagram can be constructed...

Logic probe tester circuit project

A very simple logic probe tester circuit can be build using this...

Low battery indicator circuit diagram electronic project

A low battery indicator can be designed using this electronic scheme.
Current through...

Low battery indicator circuit diagram electronic project
Zener diode tester electronic circuit project

With electronic scheme below can be made a zener diode tester.
Using this tester and a...

Zener diode tester electronic circuit project
TTL and CMOS signals tester circuit

This TTL and CMOS signals tester circuit is very simple logic tester that allows analysis of TTL...

TTL and CMOS signals tester circuit diagram
Cable tester electronic project

A cable tester device can be built using electronic diagram below.
Using electronic...

Cable tester electronic project circuit diagram using logic gates
LM3914 battery tester circuit diagram

This battery tester circuit is designed using the LM3914 integrated circuit and some electronic...

LM3914 battery tester circuit diagram