General Electronics Technical Discussion

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I want to dim light bulb by 50% I want to learn how to calculate it on my own by Omron Started by Omron, 06-04-2024, 01:58 AM	19 responses 205 views 0 reactions	Last Post by sam_sam_sam 06-09-2024, 04:34 AM
Adapter 24 volt problem by bembeno Started by bembeno, 06-06-2024, 12:32 AM	4 responses 82 views 0 reactions	Last Post by sam_sam_sam 06-07-2024, 06:19 AM
SR-602 PIR sensor not working. Ideas ? by Dannyx Started by Dannyx, 12-18-2020, 05:07 AM	18 responses 2,112 views 0 reactions	Last Post by Julian Tauscher 06-07-2024, 05:24 AM
Roland Fantom XR. Help with LCD screen pinouts by maleksa Started by maleksa, 06-03-2024, 08:27 PM	2 responses 274 views 0 reactions	Last Post by truclacicr 06-06-2024, 11:37 PM
Identifying component Flyback? DC-DC? by unimatrix93 Started by unimatrix93, 05-08-2024, 08:21 AM	18 responses 650 views 0 reactions	Last Post by unimatrix93 06-06-2024, 04:23 AM
Need someone to look picture to say if this is normal or not [Uploaded in post] by Omron Started by Omron, 06-02-2024, 03:09 AM	15 responses 276 views 0 reactions	Last Post by Omron 06-03-2024, 11:57 PM
Help with IC identification it's lettering is CW0Q by paulyboy Started by paulyboy, 06-02-2024, 02:54 AM	4 responses 82 views 0 reactions	Last Post by SMDFlea 06-03-2024, 04:38 PM
Confused - I don’t want to order wrong thing by zzpkcq@gmail.com Started by zzpkcq@gmail.com, 05-29-2024, 03:06 PM	11 responses 151 views 0 reactions	Last Post by tester272001 05-30-2024, 03:53 PM
equivalent MOSFET 4C09B by jackx Started by jackx, 05-27-2024, 03:41 PM	3 responses 769 views 0 reactions	Last Post by truclacicr 05-30-2024, 12:01 PM
Question about electricity by matk Started by matk, 05-23-2024, 02:12 PM	5 responses 124 views 0 reactions	Last Post by redwire 05-28-2024, 12:54 PM
Mean Well Dimmable HLG-320H-15B 285Watt 19,000mA LED Driver Power Supply On sale ends today by sam_sam_sam Started by sam_sam_sam, 05-27-2024, 06:59 AM	0 responses 39 views 0 reactions	Last Post by sam_sam_sam 05-27-2024, 06:59 AM
SMD Diode S3 marked on package by Dan the Dog Started by Dan the Dog, 05-26-2024, 09:45 AM	8 responses 323 views 0 reactions	Last Post by harp 05-26-2024, 06:51 PM
ID smd 6pin chip - GM2 for electric scooter display by Ihandyrepair Started by Ihandyrepair, 05-08-2024, 06:59 PM	7 responses 181 views 0 reactions	Last Post by Ihandyrepair 05-25-2024, 04:06 PM
opto something Liteon 816A4 by jm1234 Started by jm1234, 05-20-2024, 03:30 AM	6 responses 200 views 0 reactions	Last Post by truclacicr 05-21-2024, 03:57 PM
Biomass Boiler not driving cleaner motor relay. ENERTRES BIOMASA BI-650 by edugimeno Started by edugimeno, 04-18-2024, 01:15 PM	25 responses 269 views 0 reactions	Last Post by sam_sam_sam 05-19-2024, 07:56 PM
Need help finding what IC this is! by Ross Kohler Started by Ross Kohler, 05-17-2024, 04:39 PM	4 responses 92 views 0 reactions	Last Post by Ross Kohler 05-18-2024, 05:13 PM
How to replace SMD blue Led with conventional red LED? by cap__ Started by cap__, 04-15-2024, 09:59 AM	14 responses 192 views 0 reactions	Last Post by sam_sam_sam 05-18-2024, 08:25 AM
Garmin dog training collar.ID help with SMD, Please? by Macroman Started by Macroman, 08-18-2022, 03:20 PM	36 responses 6,933 views 0 reactions	Last Post by Mardelplata 05-18-2024, 05:46 AM
Switching DC power supply 0-120V 0-3A power LED 3 digits display power Feedback wanted by sam_sam_sam Started by sam_sam_sam, 05-14-2024, 05:11 AM	9 responses 97 views 0 reactions	Last Post by sam_sam_sam 05-17-2024, 10:37 AM
Citronic AC-1USB Output Too Loud by Carm99 Started by Carm99, 04-30-2024, 06:17 AM	22 responses 296 views 0 reactions	Last Post by Carm99 05-17-2024, 08:37 AM
18V Li-Ion Battery BMS PCB Charging Protection Circuit Board Plate - won't charge by smaniak Started by smaniak, 05-11-2024, 11:30 AM	1 response 109 views 0 reactions	Last Post by sam_sam_sam 05-11-2024, 03:57 PM
trying to identify 10k Slide Potentiometer by ImpossibleRepairs Started by ImpossibleRepairs, 05-09-2024, 01:50 AM	1 response 76 views 0 reactions	Last Post by ImpossibleRepairs 05-10-2024, 09:51 PM
Identifying a DC/DC step down converter by YellowJacket Started by YellowJacket, 05-08-2024, 05:37 AM	2 responses 62 views 0 reactions	Last Post by YellowJacket 05-08-2024, 09:08 AM
Looking for a solderless breadboard that is not trash by evilkitty Started by evilkitty, 04-29-2024, 08:50 AM	6 responses 120 views 0 reactions	Last Post by stj 05-07-2024, 10:42 AM
CH341A programmer can't erase chip! by rostomzerrougui Started by rostomzerrougui, 05-06-2024, 10:40 AM	3 responses 326 views 0 reactions	Last Post by stj 05-07-2024, 02:52 AM
Help Identifying this chip - 324 by cook Started by cook, 05-05-2024, 07:27 AM	7 responses 121 views 0 reactions	Last Post by mon2 05-05-2024, 05:25 PM
Fixing a multimeter based on VC9805 schematic by madan1 Started by madan1, 11-17-2018, 06:40 PM	58 responses 6,903 views 0 reactions	Last Post by poker 05-04-2024, 07:09 AM
How to diagnose little step down and power management BGA chips never shorted by corrize Started by corrize, 05-02-2024, 08:30 AM	3 responses 74 views 0 reactions	Last Post by sam_sam_sam 05-03-2024, 05:27 AM
Xbox one Series S blank picture no boot by CyTECH ELECTRONICS Started by CyTECH ELECTRONICS, 05-02-2024, 10:03 AM	0 responses 65 views 0 reactions	Last Post by CyTECH ELECTRONICS 05-02-2024, 10:03 AM
What is this bga chip in all Nikon camera ? – power management by corrize Started by corrize, 04-28-2024, 01:18 AM	9 responses 195 views 0 reactions	Last Post by corrize 05-01-2024, 09:52 AM
Solder joints on heat sinks matter? by jm1234 Started by jm1234, 04-28-2024, 04:38 AM	3 responses 69 views 0 reactions	Last Post by momaka 05-01-2024, 07:19 AM
TRIAC circuit by прямо Started by прямо, 04-27-2024, 02:12 AM	5 responses 105 views 0 reactions	Last Post by прямо 04-28-2024, 02:02 AM
What is correct triac symbol? by harp Started by harp, 04-27-2024, 06:26 PM	0 responses 57 views 0 reactions	Last Post by harp 04-27-2024, 06:26 PM
Need help with Low voltage protection circuit by flinx Started by flinx, 08-15-2020, 10:48 AM	87 responses 12,120 views 0 reactions	Last Post by truclacicr 04-27-2024, 04:50 PM
220VAC locales... ever used DC to feed switch mode power supples...and how many volts is generally okay? by eccerr0r Started by eccerr0r, 04-22-2024, 08:03 PM	9 responses 132 views 0 reactions	Last Post by eccerr0r 04-24-2024, 07:33 PM
Help sourcing an IC number is MT3058 by gurj1979 Started by gurj1979, 10-11-2023, 02:26 PM	22 responses 1,243 views 0 reactions	Last Post by gurj1979 04-23-2024, 02:09 AM
Help identifying this component and its datasheet please by Techie_hobby1 Started by Techie_hobby1, 04-19-2024, 07:14 AM	3 responses 100 views 0 reactions	Last Post by Techie_hobby1 04-20-2024, 07:19 AM
Need help to identify IC by bigboots Started by bigboots, 04-14-2024, 12:33 PM	8 responses 144 views 0 reactions	Last Post by truclacicr 04-19-2024, 06:18 PM
Can anyone identify this ic marked AGR by bigboots Started by bigboots, 04-18-2024, 01:07 PM	4 responses 59 views 0 reactions	Last Post by truclacicr 04-18-2024, 06:44 PM
HC0303-1B by martonmiklos Started by martonmiklos, 04-06-2024, 11:47 AM	13 responses 782 views 0 reactions	Last Post by martonmiklos 04-08-2024, 03:56 PM

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