General Electronics Technical Discussion

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Charger circuit questions by tmhobadcap Started by tmhobadcap, 11-30-2019, 01:18 PM	33 responses 5,461 views 0 reactions	Last Post by Curious.George 12-05-2019, 04:08 PM
Why does my Uni-T multimeter not measure anything? by antoniu200 Started by antoniu200, 11-11-2019, 07:40 AM	26 responses 3,772 views 0 reactions	Last Post by stj 12-05-2019, 06:10 AM
Ottlite brand Light Box came in the mail today great for looking through circuit boar by sam_sam_sam Started by sam_sam_sam, 12-03-2019, 04:35 PM	3 responses 1,327 views 0 reactions	Last Post by eccerr0r 12-03-2019, 07:04 PM
Directly replacing NiMh cells with Li-Ion cells - bad idea ? by Dannyx Started by Dannyx, 01-30-2019, 11:36 AM	163 responses 12,644 views 0 reactions	Last Post by eccerr0r 12-03-2019, 04:37 PM
CCTV cameras: single PSU or individual PSUs ? by Dannyx Started by Dannyx, 10-22-2019, 02:11 PM	48 responses 5,056 views 0 reactions	Last Post by Dannyx 12-03-2019, 01:24 PM
FLUKE 179 problems by bwilliams60 Started by bwilliams60, 09-20-2017, 06:50 PM	27 responses 9,207 views 0 reactions	Last Post by Manoj007 12-02-2019, 11:44 PM
Capacitor brand ? by bianchi77 Started by bianchi77, 11-27-2019, 12:19 AM	4 responses 1,577 views 0 reactions	Last Post by Topcat 12-02-2019, 11:42 AM
Ask pic16f18345 counter problem by quanhuan Started by quanhuan, 11-29-2019, 07:57 AM	1 response 1,512 views 0 reactions	Last Post by eccerr0r 11-29-2019, 10:31 AM
Kenwood EEPROM question by tibimakai Started by tibimakai, 07-06-2014, 10:41 PM	17 responses 3,979 views 0 reactions	Last Post by tibimakai 11-26-2019, 03:51 PM
Allen-Bradley SLC 500 PLC —> CPU fault what does mean by sam_sam_sam Started by sam_sam_sam, 10-08-2019, 08:21 AM	29 responses 5,218 views 0 reactions	Last Post by sam_sam_sam 11-25-2019, 04:30 PM
Component identification by saronno Started by saronno, 11-25-2019, 07:42 AM	2 responses 1,509 views 0 reactions	Last Post by saronno 11-25-2019, 09:09 AM
Lightning causing led bulb power effect by Uranium-235 Started by Uranium-235, 11-16-2019, 03:05 AM	7 responses 1,772 views 0 reactions	Last Post by sam_sam_sam 11-17-2019, 07:14 AM
Connecting Neutral/Earth together by Dannyx Started by Dannyx, 08-22-2019, 12:23 PM	20 responses 3,235 views 0 reactions	Last Post by televizora 11-15-2019, 06:03 PM
Substituting PNP with NPN (schematics provided) by EasyGoing1 Started by EasyGoing1, 11-10-2019, 09:41 PM	5 responses 1,807 views 0 reactions	Last Post by Curious.George 11-14-2019, 01:13 PM
Getting into PLCs by Dannyx Started by Dannyx, 11-22-2018, 11:55 AM	74 responses 7,982 views 0 reactions	Last Post by Dannyx 11-13-2019, 07:47 AM
How does the MCP2021A power-down mode wake up? by quanhuan Started by quanhuan, 11-11-2019, 03:40 AM	0 responses 1,215 views 0 reactions	Last Post by quanhuan 11-11-2019, 03:40 AM
Shredder very slow to start by jinu_j Started by jinu_j, 11-06-2019, 10:57 AM	36 responses 3,261 views 0 reactions	Last Post by budm 11-10-2019, 05:10 PM
High resistance measurement by johnfin Started by johnfin, 11-04-2019, 06:34 PM	17 responses 1,933 views 0 reactions	Last Post by eccerr0r 11-08-2019, 01:30 AM
Re-purposing power supply parts by EasyGoing1 Started by EasyGoing1, 11-04-2019, 05:53 PM	3 responses 1,573 views 0 reactions	Last Post by PeteS in CA 11-07-2019, 04:21 PM
Help ID this resistor and value by newman25 Started by newman25, 11-03-2019, 04:21 PM	3 responses 1,532 views 0 reactions	Last Post by budm 11-03-2019, 10:21 PM
How to use a SCS not a SCR by sam_sam_sam Started by sam_sam_sam, 11-03-2019, 03:57 AM	2 responses 1,391 views 0 reactions	Last Post by Curious.George 11-03-2019, 05:03 AM
Modifing a Battery Spot Welder because of Controller Issues by sam_sam_sam Started by sam_sam_sam, 10-12-2019, 08:51 AM	22 responses 3,662 views 0 reactions	Last Post by sam_sam_sam 11-03-2019, 01:55 AM
Rechargable battery component -- datasheet needed. by GLInick Started by GLInick, 11-01-2019, 02:04 PM	3 responses 1,448 views 0 reactions	Last Post by sam_sam_sam 11-02-2019, 08:47 AM
Improving a slow/fast digital clock by Dannyx Started by Dannyx, 10-26-2019, 09:00 AM	30 responses 5,150 views 0 reactions	Last Post by eccerr0r 10-31-2019, 04:30 PM
7 segment LED displays: Common cathode vs. common anode by japlytic Started by japlytic, 10-29-2019, 06:55 PM	3 responses 1,560 views 0 reactions	Last Post by redwire 10-30-2019, 12:11 AM
Matching output transistors on an audio amp? by budwich Started by budwich, 09-15-2019, 08:46 AM	34 responses 5,529 views 0 reactions	Last Post by eccerr0r 10-29-2019, 05:49 PM
LED modifications that have a warning...why? by eccerr0r Started by eccerr0r, 10-26-2019, 08:56 PM	14 responses 1,711 views 0 reactions	Last Post by eccerr0r 10-29-2019, 12:39 PM
Ac-det by Badkiddy Started by Badkiddy, 10-28-2019, 02:49 PM	3 responses 2,123 views 0 reactions	Last Post by R_J 10-29-2019, 12:35 PM
What is this wire??? by hihila Started by hihila, 10-09-2019, 09:52 PM	34 responses 3,754 views 0 reactions	Last Post by hihila 10-26-2019, 02:02 AM
J2534 Pass-Thru OBD scanner issue by belalmondeo Started by belalmondeo, 10-25-2019, 06:01 AM	0 responses 1,101 views 0 reactions	Last Post by belalmondeo 10-25-2019, 06:01 AM
UC3842-UC3845 and company: parallel mosfets? by eccerr0r Started by eccerr0r, 10-22-2019, 11:21 PM	7 responses 1,474 views 0 reactions	Last Post by eccerr0r 10-25-2019, 01:14 AM
Orange lights - energy usage (power strips, wall switches) by tmcw Started by tmcw, 10-15-2019, 03:12 PM	21 responses 3,342 views 0 reactions	Last Post by redwire 10-19-2019, 05:46 PM
How to reattach connector pin of a keyboard? by budwich Started by budwich, 10-09-2019, 08:40 AM	3 responses 1,248 views 0 reactions	Last Post by stj 10-09-2019, 11:30 AM
Help Identifying component, what is this? by captainKKK Started by captainKKK, 10-04-2019, 11:54 AM	9 responses 1,537 views 0 reactions	Last Post by captainKKK 10-07-2019, 07:05 PM
Help identify component by madan1 Started by madan1, 04-21-2019, 02:06 PM	17 responses 2,394 views 0 reactions	Last Post by stj 10-07-2019, 03:01 PM
Back EMF / Transient Suppression by KvnTM Started by KvnTM, 10-04-2019, 02:35 PM	22 responses 5,227 views 0 reactions	Last Post by stj 10-06-2019, 07:01 PM
lighting circuit modification by maxslo Started by maxslo, 07-28-2019, 04:42 AM	16 responses 2,467 views 0 reactions	Last Post by maxslo 10-05-2019, 11:53 AM
HDMI cable fix help? by ivtec Started by ivtec, 09-27-2019, 04:11 PM	6 responses 1,803 views 0 reactions	Last Post by ivtec 10-02-2019, 03:12 PM
Help idinifying circuit from Battery Charger by davg Started by davg, 08-31-2019, 10:09 AM	34 responses 4,566 views 0 reactions	Last Post by davg 10-01-2019, 09:49 AM
12 volt DC Wiper motor hookup by davg Started by davg, 09-26-2019, 11:34 AM	16 responses 2,449 views 0 reactions	Last Post by davg 09-30-2019, 05:18 AM

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