General Electronics Technical Discussion

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I am in need of a 80 buck converter that is adjustable rated 4 amps or better by sam_sam_sam Started by sam_sam_sam, 02-26-2021, 05:26 PM	13 responses 3,532 views 0 reactions	Last Post by budm 03-01-2021, 12:29 AM
Whats this ripple? by EasyGoing1 Started by EasyGoing1, 02-19-2021, 06:36 PM	12 responses 1,943 views 0 reactions	Last Post by EasyGoing1 02-27-2021, 05:42 AM
Help substituting avalanche diode by Bibdid Started by Bibdid, 02-20-2021, 09:42 AM	16 responses 2,119 views 0 reactions	Last Post by redwire 02-26-2021, 11:03 PM
Switch selection by notallbad Started by notallbad, 02-24-2021, 04:59 AM	5 responses 1,176 views 0 reactions	Last Post by notallbad 02-25-2021, 01:05 PM
120 volt ( AC LED Clip-on Lamp ) 48 volt LED module Hack by sam_sam_sam Started by sam_sam_sam, 05-12-2018, 06:00 PM	22 responses 4,194 views 0 reactions	Last Post by sam_sam_sam 02-24-2021, 06:05 PM
RAB Lighting 30 and 48 White LED 9-12VDC Blinding Light Bars—> Very nice light bar by sam_sam_sam Started by sam_sam_sam, 02-11-2021, 10:03 AM	4 responses 1,242 views 0 reactions	Last Post by sam_sam_sam 02-24-2021, 04:55 PM
Recover defective smartphone data by SRO2 Started by SRO2, 02-23-2021, 02:41 AM	5 responses 1,227 views 0 reactions	Last Post by SRO2 02-24-2021, 03:19 AM
Testing for short circuit in diode mode by Askic Started by Askic, 02-21-2021, 12:05 PM	7 responses 3,811 views 0 reactions	Last Post by Askic 02-24-2021, 12:26 AM
How could I find a FET with specific specs? by EasyGoing1 Started by EasyGoing1, 01-21-2021, 08:28 PM	87 responses 7,796 views 0 reactions	Last Post by EasyGoing1 02-21-2021, 02:41 AM
Help Identify this Fuse by bohaboha Started by bohaboha, 02-19-2021, 07:07 PM	11 responses 1,382 views 0 reactions	Last Post by bohaboha 02-20-2021, 04:44 PM
Please comment on this modifying a ATX switching power supply is this a good idea by sam_sam_sam Started by sam_sam_sam, 02-01-2021, 06:16 PM	27 responses 3,777 views 0 reactions	Last Post by sam_sam_sam 02-20-2021, 04:38 PM
Valliant boiler board by _ASH_ Started by _ASH_, 02-15-2021, 02:25 AM	18 responses 1,688 views 0 reactions	Last Post by redwire 02-16-2021, 01:44 PM
SPDIF Coaxial Output & Toslink Input Clarification by TrblShtr Started by TrblShtr, 02-16-2021, 04:29 AM	2 responses 904 views 0 reactions	Last Post by TrblShtr 02-16-2021, 11:19 AM
General question about oscilliscopes by EasyGoing1 Started by EasyGoing1, 02-13-2021, 06:21 PM	12 responses 1,877 views 0 reactions	Last Post by Per Hansson 02-15-2021, 01:48 PM
Magneto-resistor Digital Output Potentiometer by debugtimog Started by debugtimog, 02-07-2021, 02:57 AM	9 responses 2,525 views 0 reactions	Last Post by redwire 02-13-2021, 03:07 PM
Marks on the PCB by Askic Started by Askic, 02-12-2021, 02:41 AM	3 responses 990 views 0 reactions	Last Post by Askic 02-12-2021, 07:01 AM
Need help diy a power bank by mikey5791 Started by mikey5791, 02-06-2021, 08:11 PM	3 responses 1,119 views 0 reactions	Last Post by mikey5791 02-08-2021, 10:05 PM
Does anyone have experience with this ic chip silicon touch PS223 by sam_sam_sam Started by sam_sam_sam, 02-08-2021, 12:42 PM	6 responses 1,793 views 0 reactions	Last Post by redwire 02-08-2021, 05:40 PM
UPS and inverter questions by andrew77 Started by andrew77, 01-15-2008, 09:36 PM	138 responses 34,692 views 0 reactions	Last Post by BurnInMyLight 02-07-2021, 05:29 PM
Battery Charging Peugot Boxer by barry wilkins Started by barry wilkins, 01-31-2021, 12:20 PM	6 responses 1,297 views 0 reactions	Last Post by barry wilkins 02-07-2021, 06:17 AM
Nicd battery Ah calculation by caphair Started by caphair, 01-29-2021, 07:51 AM	25 responses 3,261 views 0 reactions	Last Post by eccerr0r 02-05-2021, 05:20 PM
could anybody identify this chip? by liamObsolete Started by liamObsolete, 02-04-2021, 04:21 AM	3 responses 1,343 views 0 reactions	Last Post by liamObsolete 02-05-2021, 03:33 PM
What is that guys? Any idea? by spiros.p Started by spiros.p, 02-05-2021, 06:58 AM	2 responses 1,059 views 0 reactions	Last Post by spiros.p 02-05-2021, 09:40 AM
Aneng dt 9205a dvm by barry wilkins Started by barry wilkins, 01-31-2021, 11:59 AM	8 responses 1,394 views 0 reactions	Last Post by stj 02-03-2021, 03:44 PM
Repairing cheap chinese Led bulbs by blero Started by blero, 01-31-2021, 07:06 PM	17 responses 1,973 views 0 reactions	Last Post by RJARRRPCGP 02-03-2021, 03:11 AM
Ender 3D Printer but I am having problems with software help need by sam_sam_sam Started by sam_sam_sam, 04-10-2020, 10:23 PM	37 responses 5,543 views 0 reactions	Last Post by eccerr0r 02-02-2021, 10:06 PM
BGA Pcb cure/repair bga Layout print by shahnld Started by shahnld, 02-02-2021, 05:38 AM	0 responses 888 views 0 reactions	Last Post by shahnld 02-02-2021, 05:38 AM
Has anyone used this product before / is this real or BS claims by sam_sam_sam Started by sam_sam_sam, 01-30-2021, 01:15 PM	7 responses 1,462 views 0 reactions	Last Post by RJARRRPCGP 01-30-2021, 09:05 PM
Can I replace this SMD Package Capacitor with this?? by gersrt Started by gersrt, 01-28-2021, 05:24 PM	1 response 1,152 views 0 reactions	Last Post by stj 01-29-2021, 04:11 AM
230 VAC applied to 24VAC stepper motor with control board by electroBriedis Started by electroBriedis, 01-28-2021, 08:43 AM	2 responses 953 views 0 reactions	Last Post by sam_sam_sam 01-28-2021, 11:53 AM
How is called that compound that glues components on the PCB? by buchman Started by buchman, 01-14-2021, 07:33 AM	13 responses 2,272 views 0 reactions	Last Post by EasyGoing1 01-27-2021, 01:39 PM
DVM circuits by barry wilkins Started by barry wilkins, 01-20-2021, 01:27 PM	8 responses 1,571 views 0 reactions	Last Post by barry wilkins 01-27-2021, 09:35 AM
Load Testing Audio PA Amplifiers by dicky96 Started by dicky96, 01-12-2021, 10:31 AM	10 responses 2,505 views 0 reactions	Last Post by momaka 01-27-2021, 01:16 AM
Have you tried to socket mosfet? by LearningToRepair Started by LearningToRepair, 01-19-2021, 05:37 PM	7 responses 1,619 views 0 reactions	Last Post by Agent24 01-27-2021, 01:09 AM
How to use M95320W on EZP2019+ by R0CKB0TT0M_ Started by R0CKB0TT0M_, 01-25-2021, 10:23 AM	0 responses 912 views 0 reactions	Last Post by R0CKB0TT0M_ 01-25-2021, 10:23 AM
MAX134CMH+D A/D Converter: Faulty or OK? by Krisby Started by Krisby, 10-16-2020, 07:04 PM	24 responses 3,702 views 0 reactions	Last Post by stj 01-23-2021, 06:38 AM
Repairing Remotes by GadgetmaNZ Started by GadgetmaNZ, 02-20-2013, 03:46 AM	18 responses 6,117 views 0 reactions	Last Post by Agent24 01-22-2021, 07:51 PM
Mosfet driver trouble replacing 6005A by sigmeyer Started by sigmeyer, 01-20-2021, 06:18 AM	10 responses 2,415 views 0 reactions	Last Post by sigmeyer 01-22-2021, 09:27 AM
How would you something like this “ AC cycle control ” to a micro controller by sam_sam_sam Started by sam_sam_sam, 01-17-2021, 03:29 PM	3 responses 1,311 views 0 reactions	Last Post by stj 01-18-2021, 02:35 PM
PLEASE hello me to identify IC Toshiba C45-B by maurovalero Started by maurovalero, 01-18-2021, 10:29 AM	0 responses 926 views 0 reactions	Last Post by maurovalero 01-18-2021, 10:29 AM

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