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felixphew
  • Member for 10 years, 6 months
  • Last seen more than a month ago
1 vote
2 answers
2k views

MC34063 help - step-up with an external switch

4 votes
1 answer
7k views

How to drive nixie tubes from Arduino

2 votes
2 answers
6k views

Possible to use 7447 to drive common-cathode 7 segment display?

1 vote
2 answers
6k views

Difference between 7446,47 etc

1 vote
1 answer
528 views

Crossover design

0 votes
1 answer
72 views

Easiest way to display 10 colours in a small area