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Powering up an OpAmp and thermal analysis

General Electronics Chat 14 hours ago at 06:41 AM

Last message by crutschow on March 18, 2024 at 08:56 AM

1 Replies
56 Views
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Homemade/DIY USB-C Charger Connects to Phone, but does not Charge

Power Electronics 2 days ago at 09:30 AM

Last message by wire_less_what on March 18, 2024 at 04:45 AM

5 Replies
126 Views
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MC2100 Motor Controller noise from low voltage transformer

Technical Repair 6 days ago at 12:56 PM

Last message by hozone on March 14, 2024 at 03:13 PM

5 Replies
81 Views
Add component to LTSpice ..#2

PCB Layout , EDA & Simulations One week ago at 08:21 AM

Last message by Papabravo on March 11, 2024 at 11:01 AM

9 Replies
150 Views
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Making a smoke generator

General Electronics Chat About 5 months ago at 06:11 AM

Last message by Pcarmour on March 10, 2024 at 01:44 PM

14 Replies
480 Views
2 Replies
118 Views
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Amplified(?) voltage limiter design (behavior at sagging input voltages)

General Electronics Chat One month ago at 10:39 AM

Last message by Saluki on March 3, 2024 at 09:48 PM

55 Replies
1002 Views
15 Replies
290 Views
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SUCCESS STORIES: Repair thermoelectric cooler

Technical Repair 9 years ago at 10:30 AM

Last message by rdkozlow on February 17, 2024 at 08:06 AM

507 Replies
215100 Views
Linear regulators - how do they work

Power Electronics One month ago at 02:54 AM

Last message by BobTPH on February 16, 2024 at 11:14 AM

14 Replies
285 Views
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LED Overdrive Circuit with current control

Analog & Mixed-Signal Design 2 months ago at 12:37 PM

Last message by MisterBill2 on January 20, 2024 at 11:18 AM

9 Replies
540 Views
How bright does the sun shine?

General Electronics Chat 2 months ago at 09:28 AM

Last message by Ian0 on January 19, 2024 at 02:34 PM

22 Replies
414 Views
LM317 + MJ2955 = overheating at 5v - 3A

Power Electronics 3 months ago at 04:18 PM

Last message by crutschow on December 13, 2023 at 08:51 PM

14 Replies
354 Views
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ZK-4KX: As battery charger.

Power Electronics 5 months ago at 08:50 PM

Last message by Kalikut on November 29, 2023 at 08:11 AM

23 Replies
1060 Views
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PCB frying DC-DC converter and relays sticking on- back EMF?

General Electronics Chat 4 months ago at 05:53 PM

Last message by MisterBill2 on November 24, 2023 at 05:59 PM

41 Replies
1103 Views
Ohms law and voltage souces question.

General Electronics Chat 4 months ago at 11:37 AM

Last message by dl324 on November 10, 2023 at 12:09 PM

8 Replies
453 Views
Analog High-Current (150A) / Low-Voltage (~12VDC) Regulation / Shunt Approach...

Power Electronics 4 months ago at 11:54 AM

Last message by strantor on November 9, 2023 at 08:23 PM

34 Replies
1001 Views
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High current brushed DC motor controller for outboard motor

Power Electronics 5 months ago at 08:26 AM

Last message by bassbindevil on November 2, 2023 at 05:20 PM

64 Replies
1978 Views
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Help designing kanthal coiled heating element

General Electronics Chat 4 months ago at 01:37 PM

Last message by MisterBill2 on November 2, 2023 at 03:25 PM

34 Replies
1384 Views
Problem with DIY high voltage regulated Power Supply

Power Electronics About 10 months ago at 05:34 PM

Last message by AnalogKid on October 22, 2023 at 10:17 AM

8 Replies
951 Views