White LED on 1.5 v Supply
In this post you will find circuit on how we can light up white LED on 1.5 v supply. Heart of the circuit is the transformer winded on 2.5mm by…
A home to software testing, electronics circuits & projects, tips and tricks and digital diary.
A home to software testing, electronics circuits & projects, tips and tricks and digital diary.
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1 Watt Audio Amplifier
Audio AMPLIFIER 1 watt audio amplifier shown below is very simple and easy to make. You can use this in making pocket amplifier for your mp3 player. It can fit…
Flashing LED
Alternate red and green flashing LED using 9 volt battery Part list R1,R2 – 100 Ohm R3,R4 – 105 K C1,C2 – 10 μF 25 Volt T1-T2 – BC 548 D1-D5…
Performance counters and there meaning in JMeter
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Dark Sensor
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Electrical Appliance Protection
This simple circuit of electrical appliance protection is to protect your electrical appliance during irregular power supply. Normally when power goes off we forget switching off our appliances. Especially in India…
IP Switching and Load Testing
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Fundamentals of Testing – Testing Principles
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LED Flasher using NE555
LED Flasher circuit using NE555 timer IC R1, R2, C1 and the supply voltage determine the flash rate. For a variable flash rate, replace R1 with a 1 MΩ pot…