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Electrical Engineering
Peter Jennings's user avatar
Peter Jennings's user avatar
Peter Jennings's user avatar
Peter Jennings
  • Member for 5 years, 6 months
  • Last seen this week
  • Oxfordshire, UK
Profile Activity

110 Answers

Score Activity Newest
9 votes

Why did a spark occur between my HDMI cable and metal lamp base?

7 votes

Astable 555 circuit not oscillating

7 votes

Is negative resistance possible?

6 votes
Accepted

Will resistance of wire increase with age due to some effects?

6 votes

How can I make this regulator output 2.8 V or 1.5 V?

5 votes

What is the polarity of a custom power supply?

5 votes
Accepted

Is it safe to touch a 220/120V gate door lock transformer with my bare hands?

5 votes
Accepted

Charging capacitor with a diode in parallel

5 votes

How to estimate the number of components on a tape reel?

5 votes
Accepted

Compute voltages and equivalent resistance in the presence of a bridge

4 votes

Double Bridge-Rectifier Circuit Question

4 votes

Switch to control an LED and a buzzer, either separately or together

4 votes
Accepted

Can I strobe a power led with an audio power amplifier?

4 votes

How should I drive my LED panel of 200 diodes?

4 votes

Using multiple filtered 5V rails, derived from a common PSU, together?

4 votes
Accepted

Voltage drop due to traces on LED matrix PCB

3 votes

Transistor Driver - what is the purpose of Q2 on the included schematic?

3 votes
Accepted

Power control of IC chips with N-Channel MOSFET

3 votes

Is dead time needed for a MOSFET?

3 votes

How do I supply 200-ish mA to servo connected with Adafruit's PCA9685?

3 votes

Class A Amplifier Design: Emitter Resistance Voltage Drop

3 votes

Circuit Representation of an Unknown Switching Transformer (Including Dot Notation)

3 votes
Accepted

Given total impedance find impedances for parallel RC

3 votes

Electric panel heater to smart

3 votes

Converting 24 VAC to 5 VDC with small output current

2 votes

Guitar amplifier emits a continuous beep, which pitch vary depending on "bass" and "gain" knobs. Finding what's wrong in the circuit

2 votes

High voltage three phase power lines and ground danger

2 votes

How do I wire a new digital ammeter/voltmeter to my power supply?

2 votes
Accepted

Running multiple devices off a single SMPS

2 votes

How to estimate the number of components on a tape reel?

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