General Electronics Technical Discussion

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Spot-welder-control-board-double-pulse-battery-welder by sam_sam_sam Started by sam_sam_sam, 08-19-2018, 06:36 PM	0 responses 1,358 views 0 reactions	Last Post by sam_sam_sam 08-19-2018, 06:36 PM
Where to get microwave plate rollers with tiny wheels (Panasonic…) cheaply? by Behemot Started by Behemot, 08-17-2018, 03:35 AM	7 responses 1,724 views 0 reactions	Last Post by Behemot 08-18-2018, 02:14 AM
Fluorescent light to LED conversion? by redwire Started by redwire, 08-11-2018, 12:20 PM	12 responses 2,388 views 0 reactions	Last Post by RukyCon 08-14-2018, 06:59 AM
Fixing a pealing PCB contact by evilkitty Started by evilkitty, 08-13-2018, 05:49 AM	5 responses 1,950 views 0 reactions	Last Post by petehall347 08-13-2018, 05:49 PM
Compatible MOSFET's? HFP50N06? FMU22U? by jdbird613 Started by jdbird613, 08-11-2018, 03:31 AM	2 responses 2,367 views 0 reactions	Last Post by sam_sam_sam 08-12-2018, 07:49 PM
How do I calculate the amp hour for a device to run on battery power by sam_sam_sam Started by sam_sam_sam, 08-05-2018, 09:19 AM	13 responses 2,373 views 0 reactions	Last Post by stj 08-12-2018, 03:27 PM
AC/DC variable voltage adaptor for Noctua NF-S12A ULN fan by Deep South Started by Deep South, 08-10-2018, 08:23 AM	5 responses 1,567 views 0 reactions	Last Post by Curious.George 08-11-2018, 02:54 PM
LED backlight tester circuit by 2many Started by 2many, 07-30-2016, 07:42 AM	11 responses 11,585 views 0 reactions	Last Post by faroek 08-08-2018, 08:36 AM
"Good" universal remote ? by Dannyx Started by Dannyx, 08-05-2018, 12:36 PM	20 responses 3,371 views 0 reactions	Last Post by stj 08-07-2018, 05:42 PM
power bank cases. by stj Started by stj, 07-31-2018, 11:20 AM	7 responses 2,002 views 0 reactions	Last Post by stj 08-01-2018, 04:39 PM
Where to find IC Chips? by jdbird613 Started by jdbird613, 08-01-2018, 10:09 AM	1 response 1,629 views 0 reactions	Last Post by vinceroger69 08-01-2018, 10:14 AM
03 Mountaineer Auto headlamps when wipers are on. Does this look correct? by lookimback Started by lookimback, 07-21-2018, 04:28 PM	59 responses 4,702 views 0 reactions	Last Post by lookimback 07-31-2018, 02:05 PM
BGA Inspection??? by radcliffkaty1 Started by radcliffkaty1, 07-09-2018, 05:23 AM	7 responses 2,844 views 0 reactions	Last Post by radcliffkaty1 07-31-2018, 07:43 AM
Wireless recording device by Dannyx Started by Dannyx, 07-26-2018, 12:43 AM	25 responses 3,289 views 0 reactions	Last Post by stj 07-29-2018, 01:11 PM
Need to "emulate" a servo by PinGuy Started by PinGuy, 07-18-2018, 04:47 PM	6 responses 2,015 views 0 reactions	Last Post by PinGuy 07-28-2018, 03:36 PM
what happened to this digital lcd display? by ChaosLegionnaire Started by ChaosLegionnaire, 07-26-2018, 12:45 AM	8 responses 1,790 views 0 reactions	Last Post by stj 07-26-2018, 12:23 PM
I fried my Arduino Mini... by Dannyx Started by Dannyx, 07-17-2018, 12:45 AM	43 responses 4,723 views 0 reactions	Last Post by stj 07-26-2018, 05:32 AM
Buying custom crystals... by eccerr0r Started by eccerr0r, 04-24-2018, 10:06 AM	62 responses 6,736 views 0 reactions	Last Post by eccerr0r 07-25-2018, 09:31 AM
Motor Run/start up Capacitor - Replacement by tmcw Started by tmcw, 07-19-2018, 02:02 AM	5 responses 1,706 views 0 reactions	Last Post by Andrew F. Ali 07-21-2018, 06:55 AM
Relay Cross Reference or other option by Brucetafer Started by Brucetafer, 07-02-2018, 01:37 AM	13 responses 2,644 views 0 reactions	Last Post by Brucetafer 07-18-2018, 10:54 PM
looking for ntd4969n in the uk by petehall347 Started by petehall347, 07-14-2018, 05:01 AM	12 responses 2,130 views 0 reactions	Last Post by petehall347 07-17-2018, 03:26 PM
An idiotic question about AC and shocks. by Spork Schivago Started by Spork Schivago, 06-09-2018, 02:52 AM	102 responses 11,469 views 0 reactions	Last Post by eccerr0r 07-17-2018, 01:15 AM
Help to identify a vintage IC by powermax Started by powermax, 07-15-2018, 01:20 PM	8 responses 1,857 views 0 reactions	Last Post by R_J 07-15-2018, 05:37 PM
Quantum Dot White LEDs Achieve Record Efficiency by budm Started by budm, 07-13-2018, 02:27 PM	2 responses 1,838 views 0 reactions	Last Post by Andrew F. Ali 07-14-2018, 08:02 AM
pile of vacuum tubes... what to toss? by eccerr0r Started by eccerr0r, 07-03-2018, 08:02 PM	2 responses 1,559 views 0 reactions	Last Post by eccerr0r 07-12-2018, 09:55 PM
Resistor value helpalues by nogger Started by nogger, 07-07-2018, 05:11 AM	9 responses 2,014 views 0 reactions	Last Post by momaka 07-12-2018, 05:49 PM
Controlling A/C remotely (what to use?) by Dannyx Started by Dannyx, 06-16-2018, 12:17 PM	30 responses 3,625 views 0 reactions	Last Post by Curious.George 07-11-2018, 05:03 PM
Improvised surge protection by evilkitty Started by evilkitty, 07-08-2018, 04:12 PM	12 responses 2,348 views 0 reactions	Last Post by evilkitty 07-10-2018, 05:32 AM
Arduino current sensing (in car) by Dannyx Started by Dannyx, 02-25-2018, 05:27 AM	120 responses 11,642 views 0 reactions	Last Post by Dannyx 07-09-2018, 11:46 PM
Component identification by halfloaf Started by halfloaf, 02-07-2018, 01:11 PM	16 responses 2,500 views 0 reactions	Last Post by R_J 07-09-2018, 10:16 AM
Help required identifying an SMD Buck Converter by dicky96 Started by dicky96, 04-30-2018, 06:14 AM	3 responses 2,038 views 0 reactions	Last Post by dicky96 07-09-2018, 04:21 AM
Linear PSU Pass Transistor Question. by maxbarjr Started by maxbarjr, 06-27-2018, 06:10 PM	19 responses 2,991 views 0 reactions	Last Post by maxbarjr 07-01-2018, 07:53 PM
Variac 20A AC Power Auto Transformer What can you it for examples by sam_sam_sam Started by sam_sam_sam, 06-16-2018, 04:19 PM	5 responses 1,593 views 0 reactions	Last Post by lax luthier 06-30-2018, 04:42 AM
Amplify a signal from an inductive capacitive probe by diif Started by diif, 06-26-2018, 06:49 AM	8 responses 1,737 views 0 reactions	Last Post by redwire 06-28-2018, 01:05 PM
Xilinx XC1765ELS08C alternative by halfloaf Started by halfloaf, 06-27-2018, 05:49 AM	1 response 1,222 views 0 reactions	Last Post by stj 06-27-2018, 09:06 AM
NPN transistor good or bad by johnfin Started by johnfin, 06-22-2018, 09:42 PM	13 responses 2,541 views 0 reactions	Last Post by Andrew F. Ali 06-25-2018, 03:39 PM
Ebay DPS Power supply module current draw? by Dannyx Started by Dannyx, 06-25-2018, 08:31 AM	8 responses 1,636 views 0 reactions	Last Post by Dannyx 06-25-2018, 10:24 AM
pf0581 223nl substitute by petehall347 Started by petehall347, 06-24-2018, 04:02 PM	1 response 1,396 views 0 reactions	Last Post by redwire 06-24-2018, 11:43 PM
please help identify this component by petehall347 Started by petehall347, 06-24-2018, 06:13 AM	8 responses 1,763 views 0 reactions	Last Post by mariushm 06-24-2018, 11:58 AM
Digital AC100-300V BLUE LCD DISPLAY PANEL VOLT/AMP meter WITH SPLIT 0-100A CT by sam_sam_sam Started by sam_sam_sam, 05-29-2018, 03:56 AM	16 responses 2,747 views 0 reactions	Last Post by japlytic 06-23-2018, 08:27 PM

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