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Power Electronics

Power supplies, power control, power sources/conversion, energy harvesting, battery charging, batteries, etc.

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M

Assistance in sizing a power supply

Last message by

metermannd

Dec 2, 2025

5: Replies

504: Views

How to extend bicycle horn time

Last message by

xox

Dec 1, 2025

6: Replies

528: Views

A

What microcontroller or relay to use to control 120v tools with these rocker switches?

Last message by

AnalogKid

Dec 1, 2025

5: Replies

504: Views

Z

Need Help Understanding Presentation - AC Circuit Impedance

Last message by

MrAl

Nov 30, 2025

2

21: Replies

4K: Views

D

Need Help: Generating –12 V from a 12.6 V Li-Ion Battery

Last message by

sghioto

Nov 28, 2025

14: Replies

543: Views

T

Calculation of the number of primary coil turns

Last message by

MrAl

Nov 28, 2025

6 7 8

145: Replies

5K: Views

F

TV PSU 12V lines are powered but no 5VSB?!?

Last message by

fr33spirit

Nov 27, 2025

8: Replies

1K: Views

T

Ups line interactive “battery mode” dead, tested good batteries

Last message by

tedsorvino

Nov 27, 2025

0: Replies

486: Views

COMMON MODE EMI FILTER

Last message by

MisterBill2

Nov 25, 2025

9: Replies

2K: Views

Having trouble with drv8251 H-bridge

Last message by

MisterBill2

Nov 24, 2025

3: Replies

826: Views

L

Stepper Motors for CNC Machines

Last message by

MrChips

Nov 22, 2025

7: Replies

520: Views

T

power sockets/ DC devices

Last message by

thor21

Nov 20, 2025

3 4 5

81: Replies

4K: Views

Basic DIY Brushless Motor Controller

Last message by

arda99

Nov 20, 2025

5: Replies

2K: Views

PWM LED DRIVER CIRCUIT DESIGN

Last message by

ronsimpson

Nov 19, 2025

7: Replies

702: Views

T

Rate my battery-powered battery tending contraption

Last message by

BobTPH

Nov 19, 2025

3: Replies

420: Views

T

A good choice for synchronous buck converter for deliver 5.1V at 3A on a Rpi4B via USB-c port?

Last message by

Irving

Nov 18, 2025

5: Replies

541: Views

Li-ion charging + rails on small PCB (TP5100, XL4015, 2S BMS) — safest path without PCB rework?

Last message by

Frank Spigner

Nov 17, 2025

1: Replies

585: Views

NMOS as a switch design

Last message by

Irving

Nov 15, 2025

2: Replies

365: Views

Rookie experimenting - I have some questions, oh wise ones

Last message by

panic mode

Nov 14, 2025

17: Replies

721: Views

T

Help required Stai

Last message by

MisterBill2

Nov 14, 2025

1: Replies

310: Views

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