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Keeping an LED on after the power has gone.

General Electronics Chat One week ago at 06:33 PM

Last message by MisterBill2 on November 25, 2020 at 08:10 AM

53 Replies
836 Views
Wiring Of A Relay Switch To A Motor Question?

Power Electronics About 21 hours ago at 01:15 PM

Last message by KeithWalker on November 25, 2020 at 07:59 AM

4 Replies
95 Views
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Electronic Fuel Injection Inhancer power source.

Power Electronics 3 days ago at 04:32 PM

Last message by Leadfootin on November 24, 2020 at 02:00 PM

4 Replies
291 Views
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Horizon treadmill - motor control board problem

Technical Repair 10 years ago at 02:35 PM

Last message by Ddac on November 24, 2020 at 09:06 AM

48 Replies
68645 Views
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Wiring overcurrent card to RF relay

Homework Help 2 days ago at 07:16 AM

Last message by Prendak on November 23, 2020 at 07:16 AM

0 Replies
60 Views
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Does the critical conduction mode flyback have the RHP Zero trouble?

Power Electronics About 3 days ago at 10:55 AM

Last message by SiCEngineer on November 22, 2020 at 10:55 AM

0 Replies
54 Views
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Heat cycle and short circuit test equipment design

General Electronics Chat 3 weeks ago at 05:02 AM

Last message by MisterBill2 on November 20, 2020 at 05:19 PM

30 Replies
709 Views
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Best Way to Implement Full Bridge Balance with AD623

Analog & Mixed-Signal Design One month ago at 09:23 AM

Last message by swr999 on November 17, 2020 at 12:18 PM

8 Replies
463 Views
Arduino Audio Shield PCB Design Considerations

PCB Layout , EDA & Simulations One week ago at 06:36 PM

Last message by circuitdiver on November 13, 2020 at 06:36 PM

0 Replies
131 Views
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Weller D550 Low Power On High Setting. Suspicious of Transformer

Technical Repair 3 weeks ago at 01:41 PM

Last message by prairiemystic on November 10, 2020 at 03:47 PM

9 Replies
249 Views
Repair old inverter board

Technical Repair 2 weeks ago at 12:00 PM

Last message by debe on November 9, 2020 at 08:11 PM

6 Replies
280 Views
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Help with 12V DC PNP Sensor and SSR Relay circuit

Analog & Mixed-Signal Design 3 weeks ago at 12:09 PM

Last message by Fortel on November 7, 2020 at 05:41 PM

24 Replies
844 Views
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Switching a 24VAC solenoid, TRIAC, Relay or SSR?

Analog & Mixed-Signal Design 3 weeks ago at 02:37 AM

Last message by Ian0 on November 7, 2020 at 09:04 AM

27 Replies
433 Views
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Raspberry PI python the most simple MODBUS library

Programming & Languages About 4 weeks ago at 02:05 AM

Last message by zazas321 on November 3, 2020 at 11:28 PM

4 Replies
308 Views
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Help - Arduino Nano & MOSFET retrofit onto manual switch based control

General Electronics Chat One month ago at 04:55 PM

Last message by Irving on November 3, 2020 at 03:43 AM

16 Replies
595 Views
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Ideal DC Transformer in LTSpice ... #2

PCB Layout , EDA & Simulations 3 weeks ago at 08:11 PM

Last message by Bordodynov on November 2, 2020 at 10:49 PM

2 Replies
76 Views
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Timer control of mixing vessel

Automation, Robotics & Control About 4 weeks ago at 02:46 PM

Last message by mcardoso on November 2, 2020 at 06:29 AM

7 Replies
202 Views
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[SOLVED]Relay board to control light bulb

General Electronics Chat 3 weeks ago at 06:12 AM

Last message by jpanhalt on November 2, 2020 at 03:29 AM

24 Replies
468 Views
Controlling power

General Electronics Chat About 4 weeks ago at 10:51 PM

Last message by LowQCab on October 30, 2020 at 12:28 PM

4 Replies
135 Views