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If you have a general question concerning basic electronics theory or component function & usage, here's where it goes.

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7 segment LED displays: Common cathode vs. common anode by japlytic
Started by japlytic, 10-29-2019, 06:55 PM
3 responses
1,397 views
0 likes
 Last Post redwire
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
5,469 views
0 likes
 Last Post eccerr0r
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
1,699 views
0 likes
 Last Post eccerr0r
by eccerr0r
10-29-2019, 12:39 PM  
Ac-det by Badkiddy
Started by Badkiddy, 10-28-2019, 02:49 PM
3 responses
2,069 views
0 likes
 Last Post R_J
by R_J
10-29-2019, 12:35 PM  
Audio Wire Connector Question/Opinion!?... by jdbird613
Started by jdbird613, 10-16-2019, 09:47 PM
4 responses
1,511 views
0 likes
 Last Post petehall347
by petehall347
10-26-2019, 03:30 AM  
What is this wire??? by hihila
Started by hihila, 10-09-2019, 09:52 PM
34 responses
3,737 views
0 likes
 Last Post hihila
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
1,095 views
0 likes
 Last Post belalmondeo
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
1,451 views
0 likes
 Last Post eccerr0r
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
3,316 views
0 likes
 Last Post redwire
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
1,244 views
0 likes
 Last Post stj
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
1,524 views
0 likes
 Last Post captainKKK
by captainKKK
10-07-2019, 07:05 PM  
Help identify component by madan1
Started by madan1, 04-21-2019, 02:06 PM
17 responses
2,381 views
0 likes
 Last Post stj
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
5,186 views
0 likes
 Last Post stj
by stj
10-06-2019, 07:01 PM  
lighting circuit modification by maxslo
Started by maxslo, 07-28-2019, 04:42 AM
16 responses
2,456 views
0 likes
 Last Post maxslo
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
1,794 views
0 likes
 Last Post ivtec
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
4,546 views
0 likes
 Last Post davg
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
2,442 views
0 likes
 Last Post davg
by davg
09-30-2019, 05:18 AM  
How hard can I drive an IR Blaster? by EasyGoing1
Started by EasyGoing1, 07-15-2019, 01:42 PM
16 responses
3,439 views
0 likes
 Last Post budm
by budm
09-22-2019, 10:34 PM  
BRD file structure by jasko_jacker
Started by jasko_jacker, 09-19-2019, 12:58 PM
4 responses
1,361 views
0 likes
 Last Post jasko_jacker
by jasko_jacker
09-20-2019, 05:04 AM  
Can I convert the head of a 250v plug to 110v? by caphair
Started by caphair, 09-15-2019, 04:50 AM
9 responses
1,657 views
0 likes
 Last Post caphair
by caphair
09-16-2019, 09:06 AM  
120vdc motor question by manstoblame
Started by manstoblame, 09-14-2019, 12:51 PM
5 responses
1,363 views
0 likes
 Last Post manstoblame
by manstoblame
09-15-2019, 12:04 PM  
Adding charger to job site radio by evelhorn
Started by evelhorn, 09-12-2019, 05:48 PM
12 responses
1,789 views
0 likes
 Last Post sam_sam_sam
by sam_sam_sam
09-15-2019, 06:54 AM  
i look for sombody with Borland know how by Nico Latour
Started by Nico Latour, 09-13-2019, 05:51 PM
0 responses
1,080 views
0 likes
 Last Post Nico Latour
by Nico Latour
09-13-2019, 05:51 PM  
Is there anyone that is very familiar with VFD Drive by sam_sam_sam
Started by sam_sam_sam, 09-06-2019, 10:19 PM
13 responses
1,889 views
0 likes
 Last Post sam_sam_sam
by sam_sam_sam
09-13-2019, 12:17 PM  
2sb649a by ChaosFlower
Started by ChaosFlower, 09-10-2019, 01:51 PM
17 responses
1,960 views
0 likes
 Last Post petehall347
by petehall347
09-11-2019, 02:31 PM  
JTAG ARM7tdmi ? please help by CornholioGSM
Started by CornholioGSM, 09-06-2019, 05:51 PM
4 responses
1,301 views
0 likes
 Last Post CornholioGSM
by CornholioGSM
09-10-2019, 05:13 PM  
One 120V grid tie inverter on 240V split phase system? by eccerr0r
Started by eccerr0r, 09-07-2019, 09:49 PM
9 responses
1,528 views
0 likes
 Last Post eccerr0r
by eccerr0r
09-08-2019, 08:04 PM  
Will this work? by EasyGoing1
Started by EasyGoing1, 08-17-2019, 07:17 PM
16 responses
2,569 views
0 likes
 Last Post EasyGoing1
by EasyGoing1
09-08-2019, 06:05 PM  
Help: what are these SMD package components? by budwich
Started by budwich, 09-06-2019, 11:16 AM
14 responses
1,686 views
0 likes
 Last Post budwich
by budwich
09-08-2019, 10:52 AM  
SMD Memory chip identification by FrozenHaxor
Started by FrozenHaxor, 09-07-2019, 05:13 AM
5 responses
1,419 views
0 likes
 Last Post stj
by stj
09-08-2019, 05:09 AM  
Upgrading my E-bike. Building a battery pack by Dannyx
Started by Dannyx, 08-18-2019, 04:08 AM
20 responses
3,274 views
0 likes
 Last Post Curious.George
by Curious.George
09-01-2019, 02:38 PM  
Hot Air Station - Air Pump Failing by caphair
Started by caphair, 04-23-2018, 09:07 AM
86 responses
9,377 views
0 likes
 Last Post caphair
by caphair
08-31-2019, 12:00 PM  
Are USB 3 flash drives compatible with USB 2 devices by SistMaticZ
Started by SistMaticZ, 08-29-2019, 03:50 AM
7 responses
1,368 views
0 likes
 Last Post stj
by stj
08-31-2019, 06:30 AM  
Are these books useful for electronics troubleshooting ? by SistMaticZ
Started by SistMaticZ, 08-21-2019, 07:48 AM
9 responses
2,432 views
0 likes
 Last Post stj
by stj
08-27-2019, 12:11 PM  
Help me understand something I thought I understood about electricity by Logistics
Started by Logistics, 08-14-2019, 11:04 AM
13 responses
2,024 views
0 likes
 Last Post budm
by budm
08-26-2019, 09:45 AM  
Help with cable by Jackching
Started by Jackching, 08-24-2019, 06:34 AM
4 responses
1,238 views
0 likes
 Last Post CapLeaker
by CapLeaker
08-25-2019, 01:54 PM  
Delay on-instant off with 555 timer by Dannyx
Started by Dannyx, 08-11-2019, 11:35 AM
42 responses
4,207 views
0 likes
 Last Post Dannyx
by Dannyx
08-18-2019, 02:59 AM  
WaveTek Synthesized Function Generator Model 288 20Hz to 20Mhz by rlb245
Started by rlb245, 05-14-2016, 02:55 PM
22 responses
5,162 views
0 likes
 Last Post GDTest
by GDTest
08-17-2019, 01:18 PM  
Help to identify a SMD IC by mitchw
Started by mitchw, 08-15-2019, 08:48 PM
2 responses
1,382 views
0 likes
 Last Post SMDFlea
by SMDFlea
08-16-2019, 03:25 PM  
What is the level of repairability of these equipements ? by SistMaticZ
Started by SistMaticZ, 07-31-2019, 06:42 AM
23 responses
3,289 views
0 likes
 Last Post SistMaticZ
by SistMaticZ
08-09-2019, 06:54 PM  
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