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arminb
  • Member for 10 years, 2 months
  • Last seen more than a week ago
  • Wien, Österreich
50 votes
7 answers
188k views

230V AC to 5V DC converter, lossless

19 votes
3 answers
16k views

Can I break a radio tranceiving device by operating it with no antenna connected?

9 votes
2 answers
8k views

AVR interrupt service routine not executing as fast as expected (instruction overhead?)

8 votes
2 answers
2k views

How does / can this radar wave detector circuit work?

7 votes
3 answers
10k views

Improving brightness of multiplexed 7-segment led display

6 votes
3 answers
4k views

Is this a common LCD display? [closed]

5 votes
1 answer
5k views

AVR assembly: Most fastest way to increment two combined bytes

4 votes
2 answers
2k views

Breakout Board for 1.27 mm to 2.54 mm

4 votes
2 answers
479 views

What is this device?

3 votes
3 answers
974 views

3 RGB-LED with only 3 resistors

3 votes
3 answers
14k views

PWM driven LED array over a shift register

3 votes
3 answers
2k views

ADC with I2C interface with multiple addresses

2 votes
1 answer
4k views

What does pseudo-differential mean?

2 votes
1 answer
4k views

4 pin headset pinout / pushbuttons interface [duplicate]

2 votes
1 answer
2k views

Raspberry Pi minimum sleep time

2 votes
1 answer
606 views

Self-shutdown. Will this work?

1 vote
0 answers
278 views

AVR ADC multiplexer odd behaviour

1 vote
3 answers
234 views

Current sink for microcontroller port not constant

1 vote
3 answers
5k views

USB Device Latency

1 vote
0 answers
136 views

How to properly turn off a Raspberry Pi when instant plug-out is a criteria [duplicate]

1 vote
3 answers
1k views

Dimension RGB LED for peak current

0 votes
1 answer
100 views

How to properly measure voltage of external supply

0 votes
2 answers
6k views

ATmega168: UART 8 data bits, no parity, 1 stop bit

0 votes
1 answer
261 views

What is this kind of switch called?

0 votes
2 answers
404 views

How to generate a -12V to +12V PWM signal from 0V to 3.3V (or 5V)

0 votes
2 answers
112 views

What's the proper name for the kind of rope switches you find in toys like teddy bears?

0 votes
2 answers
37 views

Is it possible to access semantically connected registers generically?