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Bob Jacobsen's user avatar
Bob Jacobsen's user avatar
Bob Jacobsen's user avatar
Bob Jacobsen
  • Member for 6 years, 3 months
  • Last seen this week
  • Berkeley, California, USA
45 votes

How did this capacitor survive having a nail driven through it?

28 votes

How does LIDAR avoid getting confused in an environment being scanned by hundreds of other LIDAR?

16 votes

How can I wire a 9-position switch so that each position turns on one more LED than the one before?

9 votes

In a multicore cable, what is the nylon "string"?

6 votes

Saturation problem of comparator

6 votes

Is there any technical/safety reason to ground off-grid solar?

6 votes
Accepted

Parallel RC filter on SCR gate

5 votes
Accepted

RS-232 interface chip problem - why is the voltage level so wrong?

5 votes

Propagation 'speed' of EM waves in air versus through conductive material

3 votes
Accepted

Why is reading the 3T1C DRAM cell not destructive?

3 votes
Accepted

BJT Base-Emitter Voltage

3 votes
Accepted

What happens when I connect low ohm resistor to arduino I/O?

3 votes
Accepted

Terminator in Raspberry Pi CAN-shield

3 votes

Help me trying to understand transistor and vacuum tubes?

3 votes
Accepted

Can a 110VAC to 240VAC transformer be used safely in reverse?

2 votes

Why could early displays not show white colours?

2 votes

Ability of a 100km power transmission line to radiate 50Hz EM waves?

2 votes

Consistent Radio wave detection timing

2 votes

Question about ideal transformers and inductors

2 votes

Less noisy version of max232

2 votes

How do LEDs stay on constantly?

2 votes

Why are there metal links between the discs of an overhead line insulators?

1 vote

CAN Problems with MCP2515, MCP2561 and Rpi

1 vote

Transformer to convert 220V split phase to 220V single phase

1 vote

Why transformer is heating without load

1 vote
Accepted

Phase Lead and phase Lag

1 vote

Wire size & current capacity

1 vote

Sizing zener and resistor for solenoid flyback

1 vote

Lowest temperature for a microcontroller

1 vote

Proper insulation of wires connecting to the submersible pump (5V)