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joeforker
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5 votes
2 answers
1k views

How should I understand the amount of base current in BJT transistors?

1 vote
2 answers
1k views

How does Atmel's XMEGA numbering scheme work?

21 votes
6 answers
48k views

What is a differential ADC?

34 votes
2 answers
31k views

What is the difference between an injected and regular STM32 ADC channel?

12 votes
3 answers
12k views

What happens on the STM32 when two pins are configured to have the same alternate function?

7 votes
3 answers
12k views

What is pseudo-open-drain-logic?

22 votes
6 answers
9k views

What's the schematic to share one crystal with two micros?

27 votes
6 answers
25k views

How does an LM7805 voltage regulator work?

0 votes
0 answers
319 views

How do I capture past the visible area on the Rigol DS1054Z oscilloscope?

0 votes
1 answer
5k views

Does a PNP transistor pull up itself?

38 votes
7 answers
33k views

What is the advantage of a "straw hat" (inverted cone) LED?

7 votes
2 answers
3k views

What are the advantages of a synchronous switching regulator?

6 votes
1 answer
3k views

How do I reuse part of a schematic in multiple projects in KiCad?

1 vote
1 answer
264 views

What is the gas valve section of this dryer schematic doing?

57 votes
3 answers
33k views

Which products should have FCC certification and about how much does that cost?

11 votes
3 answers
14k views

Why is it important not to exceed Vcc at the input to a logic gate?

1 vote
2 answers
2k views

Is it normal to brick the STM32F0 with certain software pin configurations?

0 votes
2 answers
443 views

Is it efficient to run a linear regulator in dropout mode?

6 votes
3 answers
2k views

What is the state of XMEGA programming from Linux?

5 votes
1 answer
960 views

Can an LPC1343 accept its initial program over USB?

3 votes
2 answers
1k views

Which AVRs are pin-compatible with the ATtiny2313?

1 vote
3 answers
186 views

What's an analog way to measure only the on-time of a servo PPM pulse?

1 vote
1 answer
1k views

How are SMD thermal pads handled in Kicad's eeschema?

5 votes
1 answer
11k views

How do I change the default silkscreen font size in Kicad?

9 votes
1 answer
2k views

What is the structure of a typical 5V-tolerant input?

5 votes
4 answers
826 views

How can I generate a logic pulse from a broken IR beam?

1 vote
2 answers
2k views

Where does an ATmega328p go on the STK500?

3 votes
4 answers
3k views

What to use for the high-side (anode) drivers of a common anode LED matrix?

-1 votes
2 answers
511 views

What's the circuit for a PIR sensor? [closed]

1 vote
1 answer
250 views

How does load affect an RC-filtered PWM DAC?