General Electronics Technical Discussion

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Creality 3 printer switching power supply recapped by sam_sam_sam Started by sam_sam_sam, 11-17-2020, 04:36 PM	4 responses 1,182 views 0 reactions	Last Post by momaka 11-21-2020, 12:24 AM
4-terminal current sense resistors by vinifera Started by vinifera, 11-17-2020, 01:20 PM	1 response 1,198 views 0 reactions	Last Post by budm 11-20-2020, 12:43 AM
Honeywell 42 watt having on/off issues under over hang solved by sam_sam_sam Started by sam_sam_sam, 11-16-2020, 02:10 PM	2 responses 1,091 views 0 reactions	Last Post by stj 11-16-2020, 02:50 PM
Weirdness with a filtered PWM through a coil by EasyGoing1 Started by EasyGoing1, 11-14-2020, 06:03 AM	14 responses 2,084 views 0 reactions	Last Post by redwire 11-16-2020, 02:36 PM
How to correctly measure a mixed low&high current by edugimeno Started by edugimeno, 11-15-2020, 03:51 PM	4 responses 1,159 views 0 reactions	Last Post by edugimeno 11-16-2020, 04:35 AM
Suggest alternate to LM317? by EasyGoing1 Started by EasyGoing1, 11-12-2020, 12:45 AM	8 responses 1,965 views 0 reactions	Last Post by stj 11-14-2020, 08:59 AM
Recommended resource for learning/using this EZ Digital Oscilloscope DS-1100 by creationtribe Started by creationtribe, 11-12-2020, 06:11 PM	3 responses 1,605 views 0 reactions	Last Post by creationtribe 11-13-2020, 06:44 PM
Can a microwave oven be used to reflow solder joint? by tmhobadcap Started by tmhobadcap, 10-30-2020, 08:38 PM	11 responses 2,882 views 0 reactions	Last Post by EasyGoing1 11-12-2020, 08:43 AM
Remote garage door opener - not working by caphair Started by caphair, 11-09-2020, 02:57 PM	20 responses 3,418 views 0 reactions	Last Post by eccerr0r 11-10-2020, 05:14 PM
Need pointers to knowledge sources for electromagnetic application by EasyGoing1 Started by EasyGoing1, 08-04-2020, 02:46 PM	22 responses 4,960 views 0 reactions	Last Post by EasyGoing1 11-09-2020, 01:29 PM
using a 5v spi programmer for 3v bios chip question. by dglt Started by dglt, 10-13-2020, 10:36 AM	6 responses 2,525 views 0 reactions	Last Post by shakilahmad3212 11-06-2020, 01:17 AM
Custom control board for TVs? by bobbintb Started by bobbintb, 10-30-2020, 06:33 PM	1 response 1,091 views 0 reactions	Last Post by Curious.George 10-30-2020, 07:50 PM
power supply specially in trouble shooting audio equipment by Duranitron Started by Duranitron, 10-24-2020, 11:06 PM	2 responses 1,198 views 0 reactions	Last Post by SMDFlea 10-29-2020, 12:08 PM
What kind of soldering type is on XBOX 360 by bohaboha Started by bohaboha, 10-24-2020, 08:58 PM	5 responses 1,955 views 0 reactions	Last Post by CyberStrike 10-29-2020, 10:30 AM
Can a DC motor start then just ... stop? by EasyGoing1 Started by EasyGoing1, 10-08-2020, 05:27 AM	14 responses 2,390 views 0 reactions	Last Post by momaka 10-27-2020, 07:05 PM
Herbalizer - Loss of temp regulation by caphair Started by caphair, 10-19-2020, 09:56 AM	12 responses 1,580 views 0 reactions	Last Post by petehall347 10-20-2020, 06:40 PM
SMPS Resistor confirmation by tester272001 Started by tester272001, 10-17-2020, 09:10 AM	12 responses 1,744 views 0 reactions	Last Post by tester272001 10-18-2020, 01:13 PM
Is the thermistor NTC? PTC? just by looking? by eccerr0r Started by eccerr0r, 10-13-2020, 05:48 PM	9 responses 1,663 views 0 reactions	Last Post by eccerr0r 10-17-2020, 01:09 AM
resoldering a broken off fan wire by ChaosLegionnaire Started by ChaosLegionnaire, 10-09-2020, 06:14 PM	4 responses 1,533 views 0 reactions	Last Post by stj 10-12-2020, 02:15 AM
Elite GP series datasheet anyone ? by Gabriel Started by Gabriel, 10-06-2020, 04:20 PM	5 responses 1,428 views 0 reactions	Last Post by momaka 10-12-2020, 12:15 AM
SMD part numbers, is this a suitable replacemt? by Mag107 Started by Mag107, 09-11-2020, 03:01 AM	1 response 1,355 views 0 reactions	Last Post by truclacicr 10-11-2020, 10:01 PM
Weird issues with stray voltage on prototype board by EasyGoing1 Started by EasyGoing1, 10-05-2020, 12:31 PM	22 responses 3,289 views 0 reactions	Last Post by stj 10-08-2020, 06:36 AM
Warped SOC by Spider1211 Started by Spider1211, 10-07-2020, 05:44 AM	1 response 1,119 views 0 reactions	Last Post by stj 10-07-2020, 08:33 AM
Acer 4530 by Rafaelmangsat Started by Rafaelmangsat, 10-06-2020, 05:56 PM	0 responses 1,099 views 0 reactions	Last Post by Rafaelmangsat 10-06-2020, 05:56 PM
Help with cross reference FET by merkin Started by merkin, 07-22-2020, 09:33 PM	4 responses 2,277 views 0 reactions	Last Post by tester272001 09-30-2020, 01:26 PM
Building a Laser / Spindle Engraving Machine very challenging by sam_sam_sam Started by sam_sam_sam, 09-27-2020, 04:43 PM	2 responses 1,308 views 0 reactions	Last Post by sam_sam_sam 09-29-2020, 03:03 AM
What solder thickness/flux type do you prefer? by jayjr1105 Started by jayjr1105, 09-28-2020, 07:36 AM	1 response 1,167 views 0 reactions	Last Post by eccerr0r 09-28-2020, 08:11 AM
Arduino Nano Controller with a 15 watt Laser hook up issues by sam_sam_sam Started by sam_sam_sam, 09-13-2020, 04:37 PM	2 responses 1,438 views 0 reactions	Last Post by sam_sam_sam 09-26-2020, 06:34 PM
Help sourcing replacement / alternative chip by Jdown79 Started by Jdown79, 09-24-2020, 09:13 PM	8 responses 1,471 views 0 reactions	Last Post by R_J 09-25-2020, 09:41 PM
What type of connector is this? by NewbieB Started by NewbieB, 09-22-2020, 02:01 PM	2 responses 1,144 views 0 reactions	Last Post by eccerr0r 09-25-2020, 11:45 AM
what did i do wrong? by ivanew Started by ivanew, 09-22-2020, 02:43 PM	14 responses 2,046 views 0 reactions	Last Post by stj 09-24-2020, 09:10 PM
Motor run capacitor physical size vs voltage rating & measurements? by Per Hansson Started by Per Hansson, 09-20-2020, 06:32 AM	13 responses 1,886 views 0 reactions	Last Post by Per Hansson 09-23-2020, 10:18 PM
Help identify Christmas light wiring by mikey5791 Started by mikey5791, 09-20-2020, 07:45 PM	5 responses 1,258 views 0 reactions	Last Post by stj 09-22-2020, 04:04 AM
Mean Well RD125-1224 switching power supply using a NE1101F ic chip by sam_sam_sam Started by sam_sam_sam, 09-20-2020, 09:34 AM	4 responses 1,367 views 0 reactions	Last Post by sam_sam_sam 09-20-2020, 06:56 PM
Secondary out 32 volts AC getting 146 volts DC do not understand by sam_sam_sam Started by sam_sam_sam, 08-27-2020, 06:00 PM	19 responses 2,669 views 0 reactions	Last Post by sam_sam_sam 09-20-2020, 06:12 AM
Spectra S1+ Breast pump - No suction by caphair Started by caphair, 09-12-2020, 09:41 AM	46 responses 4,933 views 0 reactions	Last Post by petehall347 09-19-2020, 06:51 PM
Regarding switching Power supplies by flinx Started by flinx, 09-15-2020, 02:25 PM	9 responses 1,344 views 0 reactions	Last Post by sam_sam_sam 09-17-2020, 09:02 PM
Can halogen bulb damaged trip breaker? by sew333 Started by sew333, 08-29-2020, 03:09 PM	20 responses 2,780 views 0 reactions	Last Post by sew333 09-17-2020, 01:01 PM
Running a microcontroller in car - power supply aspects by Dannyx Started by Dannyx, 05-01-2019, 12:28 PM	167 responses 22,001 views 0 reactions	Last Post by aragates 09-16-2020, 03:06 AM
help with home a/c and circuit breaker by BigTroll Started by BigTroll, 09-05-2020, 07:53 PM	13 responses 2,022 views 0 reactions	Last Post by sam_sam_sam 09-10-2020, 04:11 AM

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