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stefandz
  • Member for 8 years, 6 months
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18 votes
1 answer
2k views

What is this symbol? (assumed compliance mark like CE / FCC)

10 votes
3 answers
2k views

What voltage do electrical fly killers use?

9 votes
2 answers
1k views

Strange extra frequency in crystal oscillator

5 votes
3 answers
1k views

How often does EMC certification have to be repeated (especially in Australia)?

4 votes
1 answer
8k views

Entering stop mode on STM32L011 only works first time

3 votes
2 answers
2k views

Low cost UART over fibre

3 votes
1 answer
102 views

Best communication scheme for a battery-powered Bluetooth LE display?

2 votes
1 answer
338 views

Tradeoffs and design considerations when choosing a crystal + PLL combo for MCU timing

1 vote
1 answer
633 views

Please help me identify this connector

1 vote
2 answers
176 views

Nomenclature for tested PCB assemblies

1 vote
1 answer
280 views

Determining LED safety compliance

1 vote
2 answers
4k views

Designing a 50Ω coplanar waveguide on 1.6mm FR4

0 votes
0 answers
67 views

Does the Machinery Directive (EN60204) require separate mechanical Start and Stop switches?

0 votes
1 answer
584 views

Use of a Gas Discharge Tube to protect mains relay