General Electronics Technical Discussion

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Swapping out a NiMh for a LiPo? by EasyGoing1 Started by EasyGoing1, 03-09-2021, 03:36 AM	92 responses 11,731 views 0 reactions	Last Post by EasyGoing1 06-03-2021, 04:18 AM
Faraday Flashlight? what capacitor it uses? by supersabre Started by supersabre, 09-16-2006, 10:00 PM	15 responses 10,590 views 0 reactions	Last Post by HuetonGerh 06-01-2021, 07:33 AM
Test power lines with diode mode by corrize Started by corrize, 05-31-2021, 02:22 PM	2 responses 1,036 views 0 reactions	Last Post by corrize 05-31-2021, 09:57 PM
LED Resistor Calculations ... by EasyGoing1 Started by EasyGoing1, 04-15-2021, 06:49 AM	84 responses 11,975 views 0 reactions	Last Post by EasyGoing1 05-31-2021, 08:37 PM
How to calculate current in R2 with an LM317 by EasyGoing1 Started by EasyGoing1, 05-20-2021, 01:31 PM	28 responses 4,281 views 0 reactions	Last Post by EasyGoing1 05-26-2021, 04:27 PM
On the BRD NC ? by pascable Started by pascable, 05-20-2021, 03:56 AM	2 responses 936 views 0 reactions	Last Post by pascable 05-20-2021, 06:15 AM
help to identify this chip? by Weelcup Started by Weelcup, 04-27-2019, 10:31 AM	5 responses 2,227 views 0 reactions	Last Post by karlan 05-18-2021, 05:42 AM
T12 battery portable iron by capwizard Started by capwizard, 01-13-2017, 04:47 PM	14 responses 3,167 views 0 reactions	Last Post by usaevaperise 05-18-2021, 05:13 AM
Multimeter LCD Display not working by tmhobadcap Started by tmhobadcap, 05-16-2021, 08:36 PM	2 responses 1,653 views 0 reactions	Last Post by tmhobadcap 05-17-2021, 12:24 AM
Hot Air rework station by EasyGoing1 Started by EasyGoing1, 05-13-2021, 07:28 PM	17 responses 3,113 views 0 reactions	Last Post by EasyGoing1 05-16-2021, 10:54 AM
LED Project ... LARGE SCALE by EasyGoing1 Started by EasyGoing1, 05-15-2021, 10:36 AM	9 responses 1,664 views 0 reactions	Last Post by EasyGoing1 05-16-2021, 09:33 AM
Mosfet marking AOP (AUQ) datasheet or ID by m3g4tr0n Started by m3g4tr0n, 05-14-2021, 12:40 PM	4 responses 1,482 views 0 reactions	Last Post by m3g4tr0n 05-15-2021, 03:30 PM
Repairing a mouse by Th3_uN1Qu3 Started by Th3_uN1Qu3, 03-19-2012, 06:38 PM	6 responses 2,968 views 0 reactions	Last Post by EricGeorge 05-12-2021, 04:06 AM
Soldering Bliss... by EasyGoing1 Started by EasyGoing1, 04-15-2021, 08:27 AM	21 responses 3,977 views 0 reactions	Last Post by EasyGoing1 05-11-2021, 07:09 PM
Harbor Freight car battery chargers any good? by caphair Started by caphair, 05-08-2021, 06:34 AM	29 responses 10,550 views 0 reactions	Last Post by eccerr0r 05-09-2021, 01:29 PM
I need help to identify this SMD cap by ignacio.ino27 Started by ignacio.ino27, 05-08-2021, 11:06 PM	3 responses 1,108 views 0 reactions	Last Post by ignacio.ino27 05-09-2021, 12:20 PM
why the silicone sealer on pcb boards ? by petehall347 Started by petehall347, 05-07-2021, 06:06 PM	8 responses 1,494 views 0 reactions	Last Post by petehall347 05-08-2021, 09:32 AM
Cleaning Off Blu Tac by Ritchie_Uk Started by Ritchie_Uk, 05-01-2021, 07:23 PM	13 responses 2,297 views 0 reactions	Last Post by Ritchie_Uk 05-07-2021, 07:54 PM
Where to buy photocoupler 4N3R or similar please ? by corrize Started by corrize, 05-04-2021, 05:55 PM	7 responses 1,912 views 0 reactions	Last Post by Mersency 05-07-2021, 03:47 AM
B&K Precision 1604A Isolation Transformr,120Vac,150Va,1Phase Feedback wanted by sam_sam_sam Started by sam_sam_sam, 05-01-2021, 01:53 AM	6 responses 1,374 views 0 reactions	Last Post by dicky96 05-06-2021, 03:21 PM
K0389 K0392 MOSFET Pinout question by dicky96 Started by dicky96, 05-05-2021, 07:18 AM	4 responses 1,165 views 0 reactions	Last Post by dicky96 05-05-2021, 10:47 AM
Protecting against over volts when fitting a buck regulator controller. Good Idea? by dicky96 Started by dicky96, 04-30-2021, 07:37 AM	7 responses 1,670 views 0 reactions	Last Post by dicky96 05-04-2021, 10:14 AM
MPS2329C and MPS2329 voltage regulators -are these compatible? by dicky96 Started by dicky96, 04-27-2021, 05:27 AM	2 responses 1,377 views 0 reactions	Last Post by sam_sam_sam 04-27-2021, 03:27 PM
Multimeter "s/o" select option by Adenitz Started by Adenitz, 04-26-2021, 11:15 AM	2 responses 1,261 views 0 reactions	Last Post by Adenitz 04-26-2021, 11:15 PM
Board number three by EasyGoing1 Started by EasyGoing1, 04-24-2021, 12:51 PM	0 responses 937 views 0 reactions	Last Post by EasyGoing1 04-24-2021, 12:51 PM
What's the use use of these things? by LearningToRepair Started by LearningToRepair, 04-15-2021, 02:43 PM	4 responses 1,324 views 0 reactions	Last Post by stj 04-24-2021, 12:22 PM
Theory behind "sometime works, sometime doesn't" by Askic Started by Askic, 04-18-2021, 03:45 AM	4 responses 1,200 views 0 reactions	Last Post by Agent24 04-23-2021, 09:00 PM
What is the resistor value? by gilbert009 Started by gilbert009, 03-23-2021, 01:45 AM	7 responses 1,483 views 0 reactions	Last Post by Agent24 04-23-2021, 04:22 PM
which thermistor for battery pack ? by petehall347 Started by petehall347, 04-19-2021, 02:56 PM	6 responses 1,300 views 0 reactions	Last Post by sam_sam_sam 04-23-2021, 12:44 AM
DDR2 resistor packs... 0804? by eccerr0r Started by eccerr0r, 04-14-2021, 11:56 PM	7 responses 1,155 views 0 reactions	Last Post by eccerr0r 04-19-2021, 07:28 PM
choosing new battery bms by petehall347 Started by petehall347, 04-07-2021, 05:34 AM	21 responses 2,529 views 0 reactions	Last Post by petehall347 04-19-2021, 10:47 AM
backlight tester malfunction by stinger Started by stinger, 03-30-2021, 06:48 PM	19 responses 3,066 views 0 reactions	Last Post by R_J 04-18-2021, 08:17 PM
Kobolt battery pack modified with a Boston battery pack case by sam_sam_sam Started by sam_sam_sam, 12-30-2020, 06:23 PM	3 responses 1,419 views 0 reactions	Last Post by mehedilatest 04-11-2021, 10:34 PM
Finding appropriate datasheet or equivalent MOSFET by Askic Started by Askic, 04-11-2021, 10:45 AM	1 response 1,061 views 0 reactions	Last Post by redwire 04-11-2021, 09:09 PM
12 volt switching power supply modification to 14.5 volts before blocking diode add by sam_sam_sam Started by sam_sam_sam, 04-11-2021, 11:01 AM	4 responses 1,092 views 0 reactions	Last Post by stj 04-11-2021, 03:50 PM
Inexplicable voltage readings in LED circuits by dicky96 Started by dicky96, 04-08-2021, 04:21 AM	14 responses 1,732 views 0 reactions	Last Post by redwire 04-10-2021, 12:27 PM
Meters and Microamps by EasyGoing1 Started by EasyGoing1, 03-22-2021, 04:09 PM	118 responses 10,946 views 0 reactions	Last Post by stj 04-10-2021, 09:04 AM
Need help to identify a component (diode?) by Askic Started by Askic, 04-01-2021, 03:05 AM	4 responses 1,405 views 0 reactions	Last Post by dicky96 04-10-2021, 04:15 AM
Solar Controller MPPT 100A by samtron786 Started by samtron786, 04-08-2021, 02:16 AM	2 responses 1,081 views 0 reactions	Last Post by samtron786 04-10-2021, 03:26 AM
Can someone identify this LED type? by dicky96 Started by dicky96, 04-08-2021, 03:59 AM	10 responses 1,284 views 0 reactions	Last Post by eccerr0r 04-08-2021, 08:22 PM

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