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ARF
  • Member for 10 years, 3 months
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47 votes
8 answers
8k views

How to choose a MCU platform? [closed]

26 votes
1 answer
36k views

What is the difference between emitter and collector for BJTs?

19 votes
1 answer
10k views

ESP8266 eLUA (NodeMCU) vs MicroPython

18 votes
2 answers
3k views

Help identify the discrete component in this battery pack

14 votes
4 answers
9k views

Questions on mass-production soldering

13 votes
7 answers
4k views

Cheap temperature sensing with MCU

10 votes
1 answer
3k views

MOSFET power dissipation calculations - Diodes Inc. datasheets

9 votes
5 answers
5k views

Which is easier to solder: TSSOP or QFN?

9 votes
2 answers
9k views

Power supply noise in audio

9 votes
2 answers
10k views

Opamp: current flow in supply legs

8 votes
2 answers
860 views

Understanding cause of arcing in AC filter circuit

8 votes
2 answers
848 views

Embedded programming state machines

7 votes
2 answers
4k views

Stellaris LM4F120 Series: What happened to it?

7 votes
3 answers
6k views

Opto-coupled RS-232 receive circuit

7 votes
3 answers
11k views

Electrical installation: how to label wires?

7 votes
1 answer
2k views

Difficulties of I2C over wire

6 votes
2 answers
667 views

Help identify this component (part of switch de-bouncing?)

6 votes
2 answers
1k views

How does this voltage comparator work?

6 votes
2 answers
616 views

Servicing mechanical selector switches / rotary encoders

5 votes
2 answers
5k views

ESP8266 serial-wifi: antenna options

5 votes
3 answers
18k views

Using Spice/PSpice (Vishay optocoupler) models in LTSpice

5 votes
3 answers
2k views

Implementing powerline communication on a battery-fed 12V line

5 votes
2 answers
736 views

How are high-speed serial signals processed?

5 votes
2 answers
2k views

GSM sim card extension cable

4 votes
3 answers
6k views

Is it possible to make a non-inverting difference amplifier?

4 votes
1 answer
368 views

Allegro: plotted artwork only has hatched pads

4 votes
2 answers
725 views

Why does the ISDN S0-Bus require terminating resistors?

4 votes
2 answers
1k views

What component does this MOSFET-like symbol represent?

4 votes
2 answers
992 views

Automotive load dump protection with TVS diodes

4 votes
2 answers
3k views

Solar cell trickle charging lead-acid without charge controller