How to build Ambulance siren circuit
msrini
15:22
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Ambulance Siren You are familiar with the siren attached to various ambulance vehicles. There are various siren sounds attached to different...
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Sunday, 7 November 2021
Sunday, 31 October 2021
8 Watts Audio Power Amplifier
msrini
15:00
1 Comments
Audio Power Amplifiers There are plenty of audio power amplifier circuits are available over the net. They give different audio power output...
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Car reverse horn with musical sound you would love to use
msrini
12:37
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Car reverse horn You are familiar with cars fitted with reverse horns. When the car is taken back in rather than reverse direction a sound i...
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Saturday, 25 September 2021
3 minutes timer circuit
msrini
11:12
1 Comments
Introduction Timer circuits are always helpful in performing a crucial task exactly at the required time. In our day-to-day life, people ar...
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Sunday, 12 September 2021
Door Bell circuit
msrini
19:23
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Introduction Door Bell is an indispensable item for every household. Varieties of doorbell circuit designs are available in the market. Yo...
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Friday, 10 September 2021
How to assemble 1W audio power amplifier using IC LM 390
msrini
19:49
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Introduction A simple easy to build audio power amplifiers are always beneficial to novice and small builders for their requirements. Especi...
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Saturday, 4 September 2021
Automatic Twilight Switch
msrini
10:28
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Introduction Twilight switch Twilight is exactly the transition period of time from sunset to the beginning of the night. At that time light...
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