General Electronics Technical Discussion

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Identify component - QPF Chip from Eufy Robovac L70 Hybrid Vacuum Cleaner by Tyroonis Started by Tyroonis, Yesterday, 02:32 PM	2 responses 22 views 0 reactions	Last Post by Tyroonis Today, 03:39 AM
what is function of diode over power transistor? by harp Started by harp, 08-13-2025, 06:18 PM	4 responses 39 views 0 reactions	Last Post by truclacicr Yesterday, 04:52 PM
Redirect: Hp Elitebook 840 G5 display issue by prudence Started by prudence, Yesterday, 01:52 AM	—	—
How to use a “FNIRSI DST-210 DST-201 Digital Oscilloscope Multimeter Signal Generator AC/DC” by sam_sam_sam Started by sam_sam_sam, 07-20-2025, 09:41 AM	2 responses 53 views 0 reactions	Last Post by sam_sam_sam 08-12-2025, 05:46 AM
Macbook Air A1466 EMC 3178 - 2017 Boot by Sergio Kub Started by Sergio Kub, 07-08-2025, 04:12 PM	2 responses 55 views 0 reactions	Last Post by Sergio Kub 08-07-2025, 06:56 PM
FA5205P Datasheet by vjsmoreira Started by vjsmoreira, 07-29-2025, 02:58 PM	2 responses 26 views 0 reactions	Last Post by vjsmoreira 08-07-2025, 02:58 PM
Help identify a Zener? by tester272001 Started by tester272001, 09-17-2020, 09:57 PM	90 responses 14,083 views 0 reactions	Last Post by alwalker 08-05-2025, 11:29 AM
wireless receiver for 6 speeds fan control with remote control by wolf1976 Started by wolf1976, 07-23-2025, 03:12 PM	1 response 42 views 0 reactions	Last Post by wolf1976 08-04-2025, 02:00 PM
mosfet or transistor ? by littlejohn Started by littlejohn, 08-03-2025, 10:32 AM	3 responses 43 views 0 reactions	Last Post by PeteS in CA 08-04-2025, 11:33 AM
19v accidentally applied to 12v PCB/board by stormy1777 Started by stormy1777, 07-25-2025, 02:44 AM	8 responses 111 views 0 reactions	Last Post by Agent24 08-01-2025, 03:19 PM
Component identification and/or datasheet, please by double_DD Started by double_DD, 07-31-2025, 07:48 AM	8 responses 57 views 0 reactions	Last Post by double_DD 08-01-2025, 12:50 PM
Component identification 5y1 by zesko Started by zesko, 07-30-2025, 03:29 AM	5 responses 56 views 0 reactions	Last Post by zesko 07-31-2025, 03:30 AM
Help identifying a component please by Techie_hobby1 Started by Techie_hobby1, 07-30-2025, 07:37 AM	3 responses 41 views 0 reactions	Last Post by truclacicr 07-30-2025, 10:42 AM
MP2886A programming by zesko Started by zesko, 07-28-2025, 02:07 PM	4 responses 68 views 0 reactions	Last Post by zesko 07-30-2025, 07:57 AM
Can someone please help me identify this ic PU10, MSI A5M by hoangduy791989 Started by hoangduy791989, 07-30-2025, 02:42 AM	1 response 23 views 0 reactions	Last Post by truclacicr 07-30-2025, 07:18 AM
Repairing a ENERTRES Biomass BI-650 heater by edugimeno Started by edugimeno, 07-28-2025, 04:32 AM	16 responses 133 views 0 reactions	Last Post by edugimeno 07-29-2025, 03:20 PM
mosfet m13c30 by jackx Started by jackx, 07-29-2025, 05:56 AM	1 response 27 views 0 reactions	Last Post by truclacicr 07-29-2025, 12:02 PM
hi all need help with IC marking is XA2LD Sot-23-5 by Barttech Computers Started by Barttech Computers, 07-27-2025, 09:27 PM	2 responses 60 views 0 reactions	Last Post by lotas 07-28-2025, 03:52 PM
Help please with identification of few components for troubleshooting (Solar Water Fountain circuit) by Techie_hobby1 Started by Techie_hobby1, 07-24-2025, 12:43 PM	8 responses 145 views 0 reactions	Last Post by Techie_hobby1 07-26-2025, 07:59 AM
Redirect: Acer a515-52g no power 19v not passing through first mosfet by Kshi Started by Kshi, 07-25-2025, 01:13 AM	—	—
clock radio / radio lifespan? by shelby5041 Started by shelby5041, 09-14-2024, 03:30 AM	21 responses 340 views 0 reactions	Last Post by UserXP 07-24-2025, 02:26 AM
Need help to identify and to locate a 0.33 ohms fusible resistor for power supply by gica69 Started by gica69, 07-21-2025, 09:49 PM	8 responses 82 views 0 reactions	Last Post by gica69 07-24-2025, 12:06 AM
Logitech G29 Help request to find smd transistor reference. by nunofcc Started by nunofcc, 10-04-2020, 01:59 PM	21 responses 6,313 views 0 reactions	Last Post by ShadowGato 07-23-2025, 06:44 AM
Zener or TVS? by k-krzych Started by k-krzych, 07-21-2025, 11:21 AM	0 responses 28 views 0 reactions	Last Post by k-krzych 07-21-2025, 11:21 AM
Hi, Can we use SMPS Bench Power Supply for Laptop troubleshooting? by shamsudeen Started by shamsudeen, 07-19-2025, 07:14 AM	5 responses 68 views 0 reactions	Last Post by m1ch43lzm 07-20-2025, 07:02 PM
Can somebody explane notation in schematics by JoSta Started by JoSta, 07-08-2025, 12:05 PM	8 responses 133 views 0 reactions	Last Post by m1ch43lzm 07-17-2025, 10:30 AM
Why does my ISP router hate my "homemade" power supply?? by double_DD Started by double_DD, 07-12-2025, 03:09 AM	18 responses 123 views 0 reactions	Last Post by sam_sam_sam 07-15-2025, 07:12 AM
Seeking Advice: Repairing Dell U3425WE Monitor with Faulty USB-C/Thunderbolt Ports by Borse2008 Started by Borse2008, 07-15-2025, 04:55 AM	0 responses 20 views 0 reactions	Last Post by Borse2008 07-15-2025, 04:55 AM
Trying to determine a fault, not sure if the culprit is LM2574 pin 7 output is grounded by repair-it Started by repair-it, 07-14-2025, 02:03 PM	1 response 17 views 0 reactions	Last Post by truclacicr 07-14-2025, 10:58 PM
Need help identifying this (double?) diode by repair-it Started by repair-it, 07-14-2025, 10:25 AM	3 responses 25 views 0 reactions	Last Post by repair-it 07-14-2025, 01:55 PM
Can someone please help me identify this resistor? by mitsu2k Started by mitsu2k, 07-07-2025, 02:24 PM	30 responses 215 views 0 reactions	Last Post by lotas 07-14-2025, 11:28 AM
Need advice testing a samsung power supply board with scope by repair-it Started by repair-it, 07-12-2025, 11:00 AM	2 responses 29 views 0 reactions	Last Post by repair-it 07-14-2025, 09:33 AM
Yihua 992DA+ Hot air gun and soldering rework station, burnt mark by Peter_1402 Started by Peter_1402, 07-12-2025, 11:50 AM	5 responses 69 views 0 reactions	Last Post by stj 07-13-2025, 07:05 AM
Help me with 65992d chip datasheet by trepachka Started by trepachka, 12-19-2023, 10:03 PM	2 responses 1,179 views 0 reactions	Last Post by nuri05 07-10-2025, 03:49 PM
GRT60-145410 brick PSU, how much of a fire hazard is this thing exactly? by spleenharvester Started by spleenharvester, 07-08-2025, 06:02 PM	1 response 49 views 0 reactions	Last Post by stj 07-09-2025, 03:27 AM
Identify board to board connector by k-krzych Started by k-krzych, 07-08-2025, 12:32 PM	0 responses 23 views 0 reactions	Last Post by k-krzych 07-08-2025, 12:32 PM
Please review my ESP based WLED controller board for WS2815 12V LED Strips - New to electronics. by Geeker007 Started by Geeker007, 06-29-2025, 05:20 PM	8 responses 94 views 0 reactions	Last Post by stj 07-08-2025, 03:09 AM
Battery Hookup new listing “Case 100x 3.3v 2200mah - 200x 18650 Lifepo4” for $100.00 + shipping by sam_sam_sam Started by sam_sam_sam, 03-09-2025, 02:30 PM	339 responses 2,279 views 0 reactions	Last Post by sam_sam_sam 07-06-2025, 08:31 PM
Alexia thermostat is this a good idea for for controlling your air conditioning system feedback wanted by sam_sam_sam Started by sam_sam_sam, 06-22-2025, 10:23 AM	16 responses 125 views 0 reactions	Last Post by sam_sam_sam 07-03-2025, 03:43 PM
Is this a fusible resistor? by bluto Started by bluto, 07-01-2025, 01:30 PM	3 responses 40 views 0 reactions	Last Post by truclacicr 07-01-2025, 05:24 PM

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