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Umer Farooq
  • Member for 9 years, 11 months
  • Last seen more than 1 year ago
13 votes
3 answers
3k views

12V DC to 5V DC converter

7 votes
2 answers
48k views

Light sensor using Photo Transistor

4 votes
1 answer
4k views

How to find Emitter and Collector of an LDR

3 votes
4 answers
2k views

Do PNP transistors have low noise?

2 votes
1 answer
11k views

Light sensor switch using LDR

1 vote
1 answer
643 views

FM bug Circuit Issue

0 votes
1 answer
308 views

Building a telephone spy

-1 votes
3 answers
1k views

Voltage Limit of CAT 5 DSL wire

-2 votes
1 answer
2k views

Transfering Circuit from Veroboard to Breadboard [duplicate]

-2 votes
1 answer
319 views

How do I implement "in" and "out" connections of this circuit on a breadboard?