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Keyboard Beep Circuit

Last Updated on January 10, 2018 by Admin Leave a Comment

key bleep

There are many situations where an audible indication for a button pressed would be very useful. Two particular cases are: a morse key, where it is otherwise impossible to know […]

Filed Under: Hobby Projects, Indicators

How to Make a Morse Code Flasher for Lighthouse Application

Last Updated on February 17, 2018 by Admin Leave a Comment

MORSECODETIMERCIRCUIT

The submit features a very simple morse code lamp flasher circuit which can be chosen for model lighthouse signalling products.   Parts list for the morse code lamp for lighthouse […]

Filed Under: Indicators

How to Make a Car Battery Voltage Monitor Circuit

Last Updated on February 17, 2018 by Admin Leave a Comment

carbatteryvoltagemonitorcircuit

This easy 4 LED car voltmeter is made to enable us to observe the voltage level of the battery of our car at any moment, always. To obtain the above […]

Filed Under: Car and Motorcycle Projects, Indicators

How to Build a Logic Level Indicator Circuit

Last Updated on February 17, 2018 by Admin Leave a Comment

simplelogicprobecircuit

This logic detector probe circuit can be very helpful device for people who may choose to measure the logic levels of digital circuits frequently. Being an IC based circuit, it’s […]

Filed Under: Indicators, New Circuits

How to Make a 4 LED Temperature Indicator Circuit

Last Updated on February 17, 2018 by Admin Leave a Comment

temperartureindicator

The 4 LED temperature indicator circuit talked about here is very beneficial for obtaining a visual details about the condition of temperature which is certainly to be supervised. In the […]

Filed Under: Indicators, Lights and Lamps

How To Make Battery Charging Fault Indicator Circuit

Last Updated on February 27, 2019 by Admin 2 Comments

li ionfaultindicator

The blog post clearly shows a battery status indicator circuit which is competent at suggesting no matter whether the battery condition is good, bad or damaged. The thought listed here […]

Filed Under: Battery Chargers, Indicators

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