arminb
  • Member for 9 years, 10 months
  • Last seen this week
  • Wien, Österreich
7 answers
50 votes
187k views
61 bookmarks
230V AC to 5V DC converter, lossless
3 answers
19 votes
14k views
5 bookmarks
Can I break a radio tranceiving device by operating it with no antenna connected?
2 answers
9 votes
8k views
1 bookmarks
AVR interrupt service routine not executing as fast as expected (instruction overhead?)
2 answers
8 votes
2k views
2 bookmarks
How does / can this radar wave detector circuit work?
3 answers
7 votes
10k views
1 bookmarks
Improving brightness of multiplexed 7-segment led display
3 answers
6 votes
4k views
1 bookmarks
Is this a common LCD display?
1 answers
5 votes
4k views
AVR assembly: Most fastest way to increment two combined bytes
2 answers
4 votes
468 views
What is this device?
2 answers
4 votes
1k views
3 bookmarks
Breakout Board for 1.27 mm to 2.54 mm
3 answers
3 votes
14k views
2 bookmarks
PWM driven LED array over a shift register
3 answers
3 votes
2k views
1 bookmarks
ADC with I2C interface with multiple addresses
3 answers
3 votes
952 views
3 RGB-LED with only 3 resistors
1 answers
2 votes
568 views
Self-shutdown. Will this work?
1 answers
2 votes
4k views
2 bookmarks
What does pseudo-differential mean?
1 answers
2 votes
4k views
1 bookmarks
4 pin headset pinout / pushbuttons interface
1 answers
2 votes
2k views
Raspberry Pi minimum sleep time
3 answers
1 votes
228 views
Current sink for microcontroller port not constant
0 answers
1 votes
275 views
AVR ADC multiplexer odd behaviour
3 answers
1 votes
5k views
USB Device Latency
3 answers
1 votes
1k views
Dimension RGB LED for peak current
0 answers
1 votes
135 views
1 bookmarks
How to properly turn off a Raspberry Pi when instant plug-out is a criteria
2 answers
0 votes
228 views
How to generate a -12V to +12V PWM signal from 0V to 3.3V (or 5V)
2 answers
0 votes
37 views
Is it possible to access semantically connected registers generically?
1 answers
0 votes
99 views
How to properly measure voltage of external supply
2 answers
0 votes
6k views
1 bookmarks
ATmega168: UART 8 data bits, no parity, 1 stop bit
1 answers
0 votes
248 views
What is this kind of switch called?