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Searching Transistor which transforms 3.3v to 12v (level shifting problem)

General Electronics Chat 6 days ago at 05:52 AM

Last message by dweith on February 23, 2021 at 06:57 PM

27 Replies
440 Views
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APC BX1500 unknown part

Technical Repair 2 days ago at 03:09 PM

Last message by GrandpaKS on February 23, 2021 at 05:03 PM

3 Replies
64 Views
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Latching relay for battery charging

Power Electronics One week ago at 07:53 PM

Last message by Hugh Riddle on February 23, 2021 at 04:07 PM

30 Replies
952 Views
TL431 programming / resistor values help. I understand but...

General Electronics Chat About 7 days ago at 11:21 AM

Last message by crutschow on February 23, 2021 at 08:15 AM

6 Replies
177 Views
26 Replies
824 Views
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50 Watt RMS MONO Audio Amp 12 volt DC

General Electronics Chat One week ago at 10:33 PM

Last message by MisterBill2 on February 23, 2021 at 05:57 AM

28 Replies
735 Views
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Buck Converter with PID Controller in LTSpice

Power Electronics One week ago at 12:45 PM

Last message by Thurg38 on February 23, 2021 at 05:35 AM

8 Replies
182 Views
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Li-Ion battery discharger

Power Electronics About 6 days ago at 11:19 AM

Last message by kaindub on February 22, 2021 at 07:59 PM

30 Replies
569 Views
20 Replies
313 Views
Variable frequency drive for small single phase motor..

Power Electronics One week ago at 08:52 AM

Last message by shortbus on February 20, 2021 at 08:10 AM

25 Replies
402 Views
using linear regulator in high voltage with pre-regulator

Power Electronics One week ago at 02:11 AM

Last message by bertus on February 20, 2021 at 08:01 AM

17 Replies
243 Views
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Why did I burn out this LED?

General Electronics Chat One week ago at 09:39 PM

Last message by Ylli on February 19, 2021 at 01:01 PM

17 Replies
284 Views
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How to use a signal from mains to control a DC relay?

Power Electronics One week ago at 07:10 AM

Last message by sghioto on February 19, 2021 at 08:40 AM

44 Replies
633 Views
Understanding CNC controller board PCB schematic

Automation, Robotics & Control One week ago at 01:20 AM

Last message by zazas321 on February 19, 2021 at 02:51 AM

11 Replies
213 Views
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Floating supply design for INA128.

General Electronics Chat One week ago at 07:09 PM

Last message by MisterBill2 on February 18, 2021 at 03:44 PM

11 Replies
192 Views
Three Phase Inverter Board

Power Electronics One month ago at 09:24 AM

Last message by nsaspook on February 18, 2021 at 07:07 AM

3 Replies
169 Views
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Solar panels in series

Power Electronics One week ago at 01:17 AM

Last message by moonbreakker on February 18, 2021 at 07:03 AM

42 Replies
612 Views
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Micro footprint 90-240 VAC to 5VDC converter

Power Electronics 3 weeks ago at 09:38 PM

Last message by nekojita on February 17, 2021 at 06:43 PM

37 Replies
946 Views