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Bradman175
  • Member for 6 years, 4 months
  • Last seen more than 2 years ago
  • New South Wales, Australia
1 vote
2 answers
2k views

How to power a white LED from batteries

  • 73
13 votes
1 answer
6k views

Powering a 5v relay from a 12v power supply

9 votes
2 answers
2k views

Is there a way to make a drill hole only up to half depth of the PCB in Eagle?

  • 91
7 votes
2 answers
4k views

Why is there often a metal clip around a dc motor [duplicate]

  • 1,041
29 votes
5 answers
12k views

How to create measurement points on a PCB for diagnostics?

  • 1,032
47 votes
1 answer
57k views

How can I implement regenerative braking of a DC motor?

  • 55.6k
25 votes
3 answers
138k views

How to improve torque and RPM of a DC motor?

  • 353
66 votes
8 answers
22k views

Reasons not to use a 741 op-amp?

  • 389k
2 votes
5 answers
380 views

Why is modifying (by adding extra gates) clock inputs undesirable?

  • 45
7 votes
5 answers
3k views

Multiple identical parallel capacitors

  • 613
16 votes
7 answers
11k views

Why do computers only use 0 and 1?

  • 169
0 votes
1 answer
442 views

Photoresistor with NE555

  • 101
13 votes
4 answers
4k views

At what level of complexity should I consider UL listing my widget?

5 votes
2 answers
715 views

How can you evaluate if a component is going to have a long life (manufacturing)?

1 vote
1 answer
77 views

Chosing the right motor for a vibration platform

  • 1,235
7 votes
5 answers
10k views

Using 12V DC to create symmetric power source

1 vote
2 answers
2k views

Is it alright to connect NC (no internal connection) to the ground?

  • 371
2 votes
1 answer
116 views

Using BJT emitter follower after microcontroller

2 votes
0 answers
295 views

Are common IR LEDs harmful to the eyes?

  • 883
0 votes
1 answer
120 views

Is there any chip that can measure temperature from the bottom of the chip with radiation?

2 votes
2 answers
827 views

Can a dental X-Ray machine be used to look at PCB?

1 vote
0 answers
274 views

Electronics components casing or packaging style types and diferences?

64 votes
3 answers
105k views

What is a boot loader, and how would I develop one?

  • 1,345
10 votes
1 answer
2k views

Are reverse biased transistors stable?

  • 7,074
39 votes
2 answers
18k views

How do media buttons on a plain wired headset work?

  • 1,070
3 votes
3 answers
5k views

what the best way to calculate Rg gate driver for Mosfet

20 votes
4 answers
15k views

PIC Microcontroller Programming on Mac OS X

8 votes
4 answers
5k views

Why should I learn a microcontroller architecture? [closed]

  • 902
3 votes
3 answers
5k views

How to clean/remove distortion/noise in my LM1458 Op-Amp?

  • 63
1 vote
1 answer
101 views

Clarification on LM3914 dividers