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Short-Circuit Protection for 3-6 Volts AA batteries

Power Electronics 2 days ago at 11:04 PM

Last message by JohnInTX on September 25, 2020 at 05:37 PM

3 Replies
103 Views
Simple Test for Cell Phone Battery

Test & Measurement About 8 months ago at 06:47 PM

Last message by MrAl on September 25, 2020 at 04:04 PM

13 Replies
490 Views
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9V battery with USB get very Hot

Power Electronics About 3 days ago at 03:00 AM

Last message by fsoudbakhsh on September 24, 2020 at 12:39 PM

3 Replies
104 Views
Solar Setup Advice Please?

Power Electronics One week ago at 12:03 AM

Last message by sparky 1 on September 21, 2020 at 08:58 PM

8 Replies
170 Views
How to dim 4.5v fairy light LEDs on a USB supply?

Power Electronics 3 months ago at 07:08 PM

Last message by TimBav on September 19, 2020 at 02:42 PM

14 Replies
302 Views
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Soundboard and Servos (Jurassic Park Model)

Analog & Mixed-Signal Design One week ago at 01:58 PM

Last message by TheDoctorDanko on September 18, 2020 at 02:19 PM

12 Replies
256 Views
Breadboard Help

General Electronics Chat One week ago at 01:18 PM

Last message by upand_at_them on September 17, 2020 at 12:53 PM

8 Replies
220 Views
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Question about LIPO and charging

Power Electronics One week ago at 12:23 PM

Last message by christiannielsen on September 16, 2020 at 08:05 AM

8 Replies
131 Views
Electric bicycle ownership experience

General Electronics Chat One week ago at 11:20 AM

Last message by schmitt trigger on September 15, 2020 at 04:17 PM

2 Replies
107 Views
Selecting IC for auto-switch to battery, in case of mains(dc) absent

General Electronics Chat One week ago at 05:48 AM

Last message by crutschow on September 14, 2020 at 07:39 AM

5 Replies
99 Views
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Arduino PWM 235VDC Hybrid Battery Charger Using Mosfet?

General Electronics Chat 2 weeks ago at 10:20 AM

Last message by MisterBill2 on September 13, 2020 at 09:26 AM

7 Replies
146 Views
Choosing Voltage Regulator Lipo Battery

Power Electronics 2 weeks ago at 04:52 PM

Last message by LowQCab on September 11, 2020 at 12:00 PM

3 Replies
368 Views
12V, 15V, 18V, 24V - What are the pros and cons?

Power Electronics 2 weeks ago at 05:19 PM

Last message by Reloadron on September 8, 2020 at 06:28 PM

3 Replies
131 Views
4 Replies
206 Views
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Power bank output decreased to 3.9v

Technical Repair 3 weeks ago at 05:18 AM

Last message by trebla on September 5, 2020 at 03:37 AM

7 Replies
125 Views
Regulating Cell Phone Charging

Power Electronics About 4 weeks ago at 04:18 PM

Last message by MrAl on September 4, 2020 at 02:55 PM

17 Replies
371 Views
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Battery recharging problem

Power Electronics 3 weeks ago at 09:00 AM

Last message by birckcmi on September 2, 2020 at 11:10 AM

10 Replies
228 Views
how to drop down the current of 18650 battery

Power Electronics One month ago at 03:19 PM

Last message by redrooster01 on August 25, 2020 at 07:43 PM

10 Replies
611 Views
LEDs, 555s, Flashers, and Light Chasers

Digital Design 11 years ago at 04:51 PM

Last message by Wendy on August 24, 2020 at 07:38 AM

73 Replies
150373 Views
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12v battery charging issue

Power Electronics One month ago at 12:53 AM

Last message by BobTPH on August 24, 2020 at 06:13 AM

9 Replies
170 Views