General Electronics Technical Discussion

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What are the pro's and cons of replacing a 1/4 with a 1/2 resistor same ohms? by Baste Started by Baste, 10-30-2025, 11:51 PM	5 responses 67 views 0 reactions	Last Post by lotas 11-01-2025, 10:13 AM
Help with Qnap TS-130 component identification marked U3 by Kaos62 Started by Kaos62, 10-22-2025, 02:50 PM	4 responses 52 views 0 reactions	Last Post by Agent24 10-29-2025, 12:00 PM
LCD with through hole pins by Leefreeman97 Started by Leefreeman97, 10-25-2025, 03:15 AM	8 responses 69 views 0 reactions	Last Post by Leefreeman97 10-27-2025, 02:04 PM
Smd component code lfxh b550 by nassih Started by nassih, 10-23-2025, 12:56 PM	5 responses 43 views 0 reactions	Last Post by nassih 10-26-2025, 08:41 AM
MBR3045CT and SR3045LCT Schottky diode testing help. by Baste Started by Baste, 10-21-2025, 06:14 AM	4 responses 41 views 0 reactions	Last Post by Baste 10-23-2025, 06:50 PM
question/caution note to usage of linear psu by harp Started by harp, 10-15-2025, 03:54 AM	19 responses 101 views 0 reactions	Last Post by Agent24 10-23-2025, 02:31 PM
Bypass timer apc bx650ci by Amin89 Started by Amin89, 10-18-2025, 09:01 AM	1 response 28 views 0 reactions	Last Post by Agent24 10-21-2025, 05:48 PM
Hi, do you know what component this chip refers to? I need to replace it. by javieromex Started by javieromex, 10-16-2025, 04:46 PM	5 responses 67 views 0 reactions	Last Post by lotas 10-17-2025, 07:14 PM
DC to DC converter? component identification by MuertoGB Started by MuertoGB, 12-21-2023, 12:39 PM	11 responses 466 views 0 reactions	Last Post by 119149570@qq.com 10-16-2025, 07:50 PM
MPPT 60AMP Solar Charge Controller 12V 24V 36V 48V DC Battery Regulator Testing results on 12 volts by sam_sam_sam Started by sam_sam_sam, 09-14-2025, 11:49 AM	1 response 33 views 0 reactions	Last Post by eccerr0r 10-16-2025, 01:52 AM
Voltage Injection on 3.3v rail by ROONEY50 Started by ROONEY50, 10-11-2025, 12:37 PM	18 responses 135 views 0 reactions	Last Post by harp 10-14-2025, 05:24 PM
Weirdly specific reboots on a TrigKey S5 that seem to be power supply related. by spleenharvester Started by spleenharvester, 09-15-2025, 08:43 AM	6 responses 85 views 0 reactions	Last Post by spleenharvester 10-12-2025, 08:21 AM
simple 24v fan control problem by harp Started by harp, 10-09-2025, 03:20 PM	9 responses 88 views 0 reactions	Last Post by stj 10-12-2025, 05:12 AM
MP2886A programming by zesko Started by zesko, 07-28-2025, 02:07 PM	5 responses 160 views 0 reactions	Last Post by doivaythoiem 10-08-2025, 09:22 PM
The new xgecu T76 vs rt809h programmer by sassan Started by sassan, 03-06-2025, 05:36 AM	4 responses 741 views 0 reactions	Last Post by toannh92it 10-07-2025, 07:10 PM
Mosfet 28N03 substitute by Xiran Started by Xiran, 10-06-2025, 06:42 PM	1 response 42 views 0 reactions	Last Post by Xiran 10-07-2025, 12:12 PM
Trying to locate this connector by repair-it Started by repair-it, 10-03-2025, 09:45 AM	2 responses 49 views 0 reactions	Last Post by repair-it 10-04-2025, 08:26 AM
simple DIY voltage monitor by harp Started by harp, 09-02-2025, 01:20 PM	8 responses 109 views 0 reactions	Last Post by sam_sam_sam 10-04-2025, 07:58 AM
Yihua 968DA+ Mk3 unboxing by Chrissygizmo Started by Chrissygizmo, 10-03-2025, 08:58 PM	1 response 40 views 0 reactions	Last Post by Chrissygizmo 10-03-2025, 10:39 PM
Apparently red = negative now?.. by spleenharvester Started by spleenharvester, 10-03-2025, 12:44 PM	2 responses 47 views 0 reactions	Last Post by stj 10-03-2025, 10:28 PM
Garage door RX unit (Cardin S38C) does not short relay to send opening signal by CoinCoin88 Started by CoinCoin88, 09-15-2025, 03:36 AM	17 responses 179 views 0 reactions	Last Post by lotas 09-30-2025, 03:48 AM
Need help identifying resistor values near BIOS chip on ASUS Zephyrus G14 GA402XV by skdsp Started by skdsp, 09-27-2025, 09:05 PM	5 responses 103 views 0 reactions	Last Post by skdsp 09-29-2025, 11:43 PM
Help for identify BGA chip U24024 – Fujifilm X100F camera by corrize Started by corrize, 09-23-2025, 02:54 PM	7 responses 87 views 0 reactions	Last Post by corrize 09-25-2025, 06:11 PM
IRVCM10A rectifier troubles by littlejohn Started by littlejohn, 09-23-2024, 06:39 PM	8 responses 140 views 0 reactions	Last Post by stj 09-25-2025, 05:12 AM
Need Help Identifying A Diode by RetroComputingGrotto Started by RetroComputingGrotto, 09-22-2025, 06:47 AM	11 responses 117 views 0 reactions	Last Post by RetroComputingGrotto 09-25-2025, 04:32 AM
Where Can I Buy Acer and Lenovo USB-C Ports by RetroComputingGrotto Started by RetroComputingGrotto, 09-01-2025, 05:50 AM	3 responses 60 views 0 reactions	Last Post by CapLeaker 09-22-2025, 11:32 AM
help identifying a component by jamesg1979 Started by jamesg1979, 09-20-2025, 05:18 AM	15 responses 111 views 0 reactions	Last Post by jamesg1979 09-21-2025, 06:03 AM
Help identifying SOT-23-5 regulator marked BFCV on Lucky Miner LV06 by Geosphere Started by Geosphere, 09-19-2025, 12:24 PM	1 response 21 views 0 reactions	Last Post by truclacicr 09-19-2025, 03:54 PM
Memory datasheet by Jtzabala Started by Jtzabala, 09-16-2025, 06:45 PM	1 response 44 views 0 reactions	Last Post by harp 09-17-2025, 04:35 PM
Need MOSFET ID for Huawei MateBook D14 – DAH98NMB8B0 REV:B HF by kayn367 Started by kayn367, 08-22-2025, 09:22 PM	3 responses 65 views 0 reactions	Last Post by kayn367 09-17-2025, 04:17 AM
Alps vintage wafer switch 2 pole 12 position by DrDos Started by DrDos, 08-31-2025, 05:03 PM	5 responses 76 views 0 reactions	Last Post by DrDos 09-16-2025, 05:51 AM
Ugreen HDMI splitter missing a pulldown resistor by spleenharvester Started by spleenharvester, 09-15-2025, 11:23 AM	0 responses 25 views 0 reactions	Last Post by spleenharvester 09-15-2025, 11:23 AM
MLCC THT identification by Slydder Started by Slydder, 09-12-2025, 04:52 AM	2 responses 41 views 0 reactions	Last Post by Slydder 09-15-2025, 06:44 AM
BD35231 compatible replacement by m4a2t0t Started by m4a2t0t, 08-28-2025, 08:32 PM	5 responses 79 views 0 reactions	Last Post by truclacicr 09-14-2025, 05:51 PM
how to organise your scrap pcb? by harp Started by harp, 09-13-2025, 07:17 AM	1 response 30 views 0 reactions	Last Post by sam_sam_sam 09-14-2025, 11:31 AM
Problem with hot air station LK852D-2 by khaledmus Started by khaledmus, 09-12-2025, 04:39 AM	7 responses 56 views 0 reactions	Last Post by Agent24 09-13-2025, 05:37 PM
Lenovo TP00095C – “G” marked component fell off during USB-C repair, need ID by Tomylee Started by Tomylee, 09-09-2025, 10:13 AM	1 response 29 views 0 reactions	Last Post by truclacicr 09-09-2025, 01:04 PM
Potentiometer question by DrDos Started by DrDos, 09-07-2025, 08:04 AM	9 responses 56 views 0 reactions	Last Post by DrDos 09-08-2025, 11:43 PM
wireless receiver for 6 speeds fan control with remote control by wolf1976 Started by wolf1976, 07-23-2025, 03:12 PM	2 responses 66 views 0 reactions	Last Post by Eddieurray 09-08-2025, 07:35 PM
HP EliteBook 2540P - Aluminum Foil on Speakers by Stanley1843 Started by Stanley1843, 09-07-2025, 02:54 PM	1 response 44 views 0 reactions	Last Post by m1ch43lzm 09-07-2025, 03:40 PM

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