Skip to main content
Roman Susi's user avatar
Roman Susi's user avatar
Roman Susi's user avatar
Roman Susi
  • Member for 10 years, 10 months
  • Last seen more than 1 year ago
10 votes
3 answers
3k views

Using recycled components

9 votes
2 answers
2k views

Is there a device to get modulo of voltage value?

8 votes
4 answers
988 views

Useful mental models for low-frequency analog circuit design?

6 votes
3 answers
3k views

Harvesting energy from old batteries?

6 votes
2 answers
24k views

Meaning of FB symbol in schematics?

5 votes
2 answers
2k views

Connector to temporary connect SMD IC?

4 votes
1 answer
2k views

How to remove "green" feature and recycle power supply?

4 votes
1 answer
1k views

How to solder QFN-16 with a central pad component to proto-board?

4 votes
2 answers
1k views

Which low voltage single supply opamp for ultrasound mic?

4 votes
3 answers
5k views

How to connect ATTiny13 to USB?

3 votes
1 answer
1k views

What is this component C21SC?

2 votes
2 answers
681 views

How to use Recom's R-785-0.5 switching DC-DC converters properly?

2 votes
2 answers
14k views

How to tell a piezo buzzer is broken?

2 votes
1 answer
890 views

Capacitive sensor as drop-in replacement for mechanical button

2 votes
2 answers
700 views

Schematics for device, which reacts to water?

2 votes
1 answer
855 views

Troubleshooting ready board with LM339 IC?

1 vote
1 answer
3k views

High-voltage programming of ATTiny13 with AVRISPmkII and avrdude?

1 vote
1 answer
640 views

What kind of device is this LT6251 MBR...CT?

1 vote
1 answer
2k views

How to control squarewave oscillator with comparator output? (LM339)

1 vote
2 answers
2k views

RPR-220 photosensor to logic level?

1 vote
3 answers
440 views

How to trigger multivibrator (or similar) from collector?

0 votes
1 answer
2k views

AN7149N -based power amp usage

0 votes
1 answer
332 views

How to hook digital input to remote control buttons?

0 votes
1 answer
3k views

Simple capacitive proximity/touch sensor problem

0 votes
2 answers
1k views

Shielded cables to capacitive sensor?