General Electronics Technical Discussion

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Need help identifying "FA2hFA" SOT23-5 (5 pin SOT23) by ngth82 Started by ngth82, 12-16-2019, 11:49 PM	22 responses 4,980 views 0 reactions	Last Post by ngth82 01-08-2020, 11:38 PM
Car Ammeter by barry wilkins Started by barry wilkins, 12-10-2019, 12:59 PM	8 responses 2,175 views 0 reactions	Last Post by sam_sam_sam 01-07-2020, 04:03 PM
Here is something that might interest you DC Multifunction LCD Panel Meter by sam_sam_sam Started by sam_sam_sam, 01-02-2020, 12:35 PM	3 responses 1,444 views 0 reactions	Last Post by stj 01-03-2020, 09:38 AM
What do you think 18650-Power-12V-Battery-Pack-Lithium-Battery-Case- by sam_sam_sam Started by sam_sam_sam, 01-03-2020, 07:16 AM	0 responses 1,151 views 0 reactions	Last Post by sam_sam_sam 01-03-2020, 07:16 AM
Which ic generally used for software updates? by caphair Started by caphair, 05-12-2016, 11:04 AM	53 responses 12,794 views 0 reactions	Last Post by markwilson 12-30-2019, 01:15 AM
connect/disconnect cycle durability of SMA? by eccerr0r Started by eccerr0r, 12-26-2019, 02:14 PM	11 responses 1,555 views 0 reactions	Last Post by eccerr0r 12-28-2019, 03:58 PM
Simplest 3S or 4S lithium ion protection circuit? by eccerr0r Started by eccerr0r, 11-08-2019, 03:04 AM	51 responses 5,230 views 0 reactions	Last Post by sam_sam_sam 12-18-2019, 04:37 AM
Diode testing question by tmhobadcap Started by tmhobadcap, 12-17-2019, 04:42 PM	4 responses 1,444 views 0 reactions	Last Post by tmhobadcap 12-17-2019, 05:51 PM
Help identify component by imaddicted2u Started by imaddicted2u, 04-07-2019, 11:08 AM	26 responses 5,097 views 0 reactions	Last Post by ngth82 12-16-2019, 11:31 PM
Unknown Smd Diode probably. by Argirisarchi Started by Argirisarchi, 11-21-2019, 01:35 PM	5 responses 1,720 views 0 reactions	Last Post by Argirisarchi 12-16-2019, 02:11 AM
Help identify component by eniac22 Started by eniac22, 12-14-2019, 04:15 PM	2 responses 1,420 views 0 reactions	Last Post by eniac22 12-15-2019, 05:49 AM
Plasma Height Voltage Divider board by sam_sam_sam Started by sam_sam_sam, 11-04-2019, 07:59 PM	16 responses 2,688 views 0 reactions	Last Post by sam_sam_sam 12-12-2019, 07:48 PM
Ring Doorbell Solar Panel Battery Pack Modified by sam_sam_sam Started by sam_sam_sam, 12-09-2019, 05:02 AM	7 responses 1,575 views 0 reactions	Last Post by eccerr0r 12-09-2019, 06:50 PM
BRD files, FlexBV, Eagle by u666sa Started by u666sa, 11-20-2019, 11:07 AM	2 responses 2,632 views 0 reactions	Last Post by inflex 12-08-2019, 02:15 AM
Where find example circuits with explanation? by caphair Started by caphair, 11-20-2019, 11:13 AM	8 responses 2,157 views 0 reactions	Last Post by budm 12-07-2019, 09:06 PM
Component identification by sasam Started by sasam, 12-05-2019, 03:02 PM	9 responses 1,719 views 0 reactions	Last Post by sasam 12-07-2019, 07:35 PM
Mystery chip by roadrash Started by roadrash, 12-07-2019, 02:49 PM	1 response 1,156 views 0 reactions	Last Post by eccerr0r 12-07-2019, 04:38 PM
Charger circuit questions by tmhobadcap Started by tmhobadcap, 11-30-2019, 01:18 PM	33 responses 5,337 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 3,707 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 1,322 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 12,573 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 5,021 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 8,976 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 1,573 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 1,502 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 3,951 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 5,162 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 1,502 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 1,766 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 3,216 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 1,792 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 7,957 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 1,194 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 3,213 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 1,912 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 1,565 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 1,525 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 1,386 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 3,626 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 1,443 views 0 reactions	Last Post by sam_sam_sam 11-02-2019, 08:47 AM

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