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Phyllostachys
  • Member for 11 years, 5 months
  • Last seen more than a month ago
238 votes
37 answers
105k views

Good tools for drawing schematics

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193 votes
4 answers
243k views

USART, UART, RS232, USB, SPI, I2C, TTL, etc. what are all of these and how do they relate to each other?

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69 votes
11 answers
9k views

How can anyone use a microcontroller which has only 384 bytes of program memory?

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68 votes
6 answers
183k views

Relation and difference between Fourier, Laplace and Z transforms

38 votes
1 answer
31k views

What to do with third contact in DC barrel plug with only two input contacts

  • 827
33 votes
2 answers
11k views

How can I reverse engineer a simple through-hole board?

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28 votes
2 answers
103k views

What exactly are the differences between a USB host and device

  • 401
20 votes
6 answers
12k views

current sourcing, current sinking

  • 201
10 votes
2 answers
2k views

Help with or hints for decoding an IR protocol

  • 293
6 votes
5 answers
52k views

A quick way to remember NAND & NOR logic?

  • 880
2 votes
4 answers
935 views

How a Delta-Sigma Modulator Works

  • 23