General Electronics Technical Discussion

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high dc voltage buck convertor by harp Started by harp, 07-28-2023, 01:26 PM	13 responses 793 views 0 reactions	Last Post by eccerr0r 07-30-2023, 12:31 PM
Lifted trace, how to glue back down? by Widget Started by Widget, 07-27-2023, 08:51 AM	14 responses 1,115 views 0 reactions	Last Post by stj 07-30-2023, 05:43 AM
How long were the displays on consumer-grade 1980s-era LED clocks designed to last? by ClockChip Started by ClockChip, 07-25-2023, 07:50 PM	10 responses 755 views 0 reactions	Last Post by eccerr0r 07-27-2023, 03:05 PM
Help with identifying IC. Code on it looks like BACDED by ebyte64 Started by ebyte64, 07-27-2023, 10:11 AM	2 responses 472 views 0 reactions	Last Post by ebyte64 07-27-2023, 10:46 AM
Dahua dhi xvr5216a by joropop Started by joropop, 05-03-2023, 09:14 PM	1 response 1,014 views 0 reactions	Last Post by savannasanders 07-27-2023, 05:06 AM
Sot-89 identification by Crystaleyes Started by Crystaleyes, 07-26-2023, 04:13 PM	3 responses 447 views 0 reactions	Last Post by Crystaleyes 07-26-2023, 09:05 PM
Help identifying Aluminum Electrolytic SMD cap values by SluggerB Started by SluggerB, 07-25-2023, 12:50 PM	2 responses 492 views 0 reactions	Last Post by SluggerB 07-26-2023, 07:33 AM
Igbt rjp63k2 smd vs tht by tofik Started by tofik, 07-19-2023, 05:43 AM	1 response 562 views 0 reactions	Last Post by eccerr0r 07-25-2023, 07:22 AM
Finding appropriate 3.3 V load switch by Askic Started by Askic, 02-19-2021, 12:51 AM	4 responses 1,655 views 0 reactions	Last Post by dreamflowers09 07-25-2023, 03:25 AM
Ebike BMS - Has anyone ever bridged the P- with the B- ? by Crystaleyes Started by Crystaleyes, 07-17-2023, 08:01 PM	3 responses 1,507 views 0 reactions	Last Post by Crystaleyes 07-19-2023, 07:58 AM
diode identification please markings are SA then under it is 39 by petehall347 Started by petehall347, 07-18-2023, 05:05 AM	5 responses 588 views 0 reactions	Last Post by R_J 07-18-2023, 04:51 PM
Cyber Power ST625U Battery backup battery when bad so I going A123 type battery pack by sam_sam_sam Started by sam_sam_sam, 06-18-2023, 05:48 PM	3 responses 799 views 0 reactions	Last Post by sam_sam_sam 07-16-2023, 04:26 PM
Read eMMC chip using SD card reader by vbogoev Started by vbogoev, 07-08-2023, 10:47 AM	6 responses 3,728 views 0 reactions	Last Post by stj 07-15-2023, 06:09 AM
Simple PIR sensor circuit to drive a small motor by Nevillet Started by Nevillet, 07-09-2023, 10:48 AM	5 responses 859 views 0 reactions	Last Post by Nevillet 07-10-2023, 10:52 AM
4056 Chip by giulio93 Started by giulio93, 03-22-2022, 08:04 AM	21 responses 4,782 views 0 reactions	Last Post by smic717394 07-07-2023, 12:59 AM
Help identify a Zener? by tester272001 Started by tester272001, 09-17-2020, 09:57 PM	85 responses 13,926 views 0 reactions	Last Post by alwalker 07-05-2023, 02:27 PM
Suitable replacement IC? .PCB - X_BFJSFANRE_RLED_V4 by ezenia Started by ezenia, 06-20-2023, 05:22 AM	22 responses 2,874 views 0 reactions	Last Post by sam_sam_sam 07-02-2023, 06:16 AM
Sensor error on my hot air station. by MaineFix Started by MaineFix, 06-30-2023, 04:27 PM	2 responses 584 views 0 reactions	Last Post by petehall347 06-30-2023, 04:57 PM
Are LED light bulbs supposed to get hot? by Spork Schivago Started by Spork Schivago, 09-24-2016, 04:44 PM	70 responses 9,332 views 0 reactions	Last Post by ggrgb 06-28-2023, 12:36 AM
Antenna lightning protection, on the cheap/homemade by eccerr0r Started by eccerr0r, 06-22-2023, 08:11 AM	13 responses 1,576 views 0 reactions	Last Post by redwire 06-26-2023, 10:21 PM
Need help building a cheap ac dc adapter by mikey5791 Started by mikey5791, 06-23-2023, 02:34 AM	6 responses 1,286 views 0 reactions	Last Post by harp 06-25-2023, 12:05 PM
Making a capacitor discharge tool by redwire Started by redwire, 06-18-2023, 07:09 PM	13 responses 2,519 views 0 reactions	Last Post by redwire 06-24-2023, 02:32 PM
What component is this ? by Widget Started by Widget, 06-14-2023, 11:52 AM	4 responses 777 views 0 reactions	Last Post by redwire 06-21-2023, 11:53 PM
Need help to understand this circuit by Fr3shGy Started by Fr3shGy, 06-19-2023, 04:11 PM	8 responses 1,027 views 0 reactions	Last Post by Fr3shGy 06-19-2023, 10:31 PM
93C46 and 93C56 EEPROM by SidneyCanadas Started by SidneyCanadas, 06-14-2023, 01:16 PM	10 responses 2,028 views 0 reactions	Last Post by stj 06-18-2023, 10:19 AM
BAUER 20V Brushless Cordless Air Compressors modifications that I am doing by sam_sam_sam Started by sam_sam_sam, 10-22-2022, 07:07 AM	31 responses 4,274 views 0 reactions	Last Post by sam_sam_sam 06-17-2023, 08:56 AM
Need help to buy replacement for toasted diodes by LENOVO-A880 Started by LENOVO-A880, 06-14-2023, 10:30 PM	3 responses 677 views 0 reactions	Last Post by jiroy 06-16-2023, 05:01 AM
Power delivery and wireless module by giulio93 Started by giulio93, 05-29-2023, 02:55 PM	11 responses 1,170 views 0 reactions	Last Post by aidenlowery 06-15-2023, 02:06 AM
Modifying a 4 Position Universal Rotary Cam Changeover Switch LW26-20 for more cams by sam_sam_sam Started by sam_sam_sam, 03-18-2023, 05:12 PM	2 responses 1,381 views 0 reactions	Last Post by sam_sam_sam 06-14-2023, 06:04 PM
resistor identification by lordgeny Started by lordgeny, 06-13-2023, 02:57 PM	1 response 440 views 0 reactions	Last Post by iusar 06-13-2023, 03:20 PM
Has anyone had issues with Rayovac Alkaline batteries leaking by sam_sam_sam Started by sam_sam_sam, 10-01-2021, 03:18 AM	103 responses 23,671 views 0 reactions	Last Post by stj 06-12-2023, 09:06 AM
MOSFET FDMC86106Z or AON6426 substitute for M3058M ? by kalemaroni Started by kalemaroni, 06-10-2023, 08:11 AM	2 responses 1,333 views 0 reactions	Last Post by kalemaroni 06-10-2023, 07:11 PM
Seeking "Ripple Current Confusion" paper by Kemet by Junkrepair Started by Junkrepair, 04-07-2022, 04:28 PM	3 responses 1,265 views 0 reactions	Last Post by Junkrepair 06-10-2023, 02:50 PM
Choosing proper SSD drive for HP 15 - bs0xx board by Askic Started by Askic, 06-09-2023, 01:37 AM	4 responses 617 views 0 reactions	Last Post by Askic 06-09-2023, 05:44 AM
Mechanic activation battery board b27 chip research by minuccio88 Started by minuccio88, 06-01-2023, 03:20 PM	2 responses 689 views 0 reactions	Last Post by minuccio88 06-05-2023, 07:28 AM
Identify components by Askic Started by Askic, 05-29-2023, 03:49 PM	4 responses 804 views 0 reactions	Last Post by Askic 06-03-2023, 01:57 PM
how can i find the watts of smd resistance by Xristakis795 Started by Xristakis795, 05-30-2023, 03:37 AM	5 responses 635 views 0 reactions	Last Post by petehall347 05-30-2023, 04:21 PM
1080p to 4K Laptop Display Upgrade on Asus TUF F17, is it possible? by Xenvleid Started by Xenvleid, 05-13-2023, 11:35 AM	2 responses 716 views 0 reactions	Last Post by Uisydhta 05-29-2023, 09:31 PM
Looking for help with wiring schematic please. by gersrt Started by gersrt, 05-15-2023, 04:03 PM	1 response 580 views 0 reactions	Last Post by Ystarer 05-29-2023, 09:27 PM
tektronix ths720 schematic needed by ivcho_gd Started by ivcho_gd, 04-26-2023, 10:04 PM	4 responses 1,177 views 0 reactions	Last Post by Isuydha 05-29-2023, 09:23 PM

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