Projects, Designs, and Technical Stuff

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	Pop and thump sound coming in through speaker when turning the class D ON	tapasxplore	4 Replies 3105 Views	April 03, 2018, 09:37:23 pm by Zero999
	Reed relay -- exceptionally high internal resistance « 1 2 All »	blueskull	35 Replies 14261 Views	April 03, 2018, 08:38:02 pm by Zucca
	Melty banana connectors	ezalys	10 Replies 3013 Views	April 03, 2018, 03:29:55 pm by Eka
	is 2.5V 700F super capacitor enough for spot welding?	Porama6400	1 Replies 1726 Views	April 03, 2018, 12:15:01 pm by KhronX
	Portable or Plug-in power for RetroPie Gaming setup	JBussell	1 Replies 1500 Views	April 03, 2018, 11:47:28 am by Ian.M
	DPI and timing problems with the RPI CM3	Sudo_apt-get_install_yum	0 Replies 1150 Views	April 03, 2018, 08:04:54 am by Sudo_apt-get_install_yum
	VU meter noise	harps	1 Replies 1517 Views	April 03, 2018, 07:26:43 am by Richard Crowley
	Terminal assignments of 4wire resistance measurement on bench DMMs	leonerd	1 Replies 1369 Views	April 03, 2018, 03:30:02 am by ejeffrey
	Trouble finding source of reference oscillation	bitbanger	12 Replies 2687 Views	April 02, 2018, 11:57:21 pm by bitbanger
	What is the exposed pad area required for NCP1117 voltage regulator	Sai teja	7 Replies 2321 Views	April 02, 2018, 04:41:58 pm by chris_leyson
	Are these 4.5V the kind that come from a dual power supply ?	Hextejas	1 Replies 1117 Views	April 02, 2018, 01:44:32 pm by Twoflower
	IR2125	phenol	2 Replies 1416 Views	April 02, 2018, 06:11:28 am by phenol
	ZERO Cross MOC i.e. 3061 with BT139 With AC Inductive Loads	Abubakar	4 Replies 1727 Views	April 02, 2018, 05:14:07 am by Abubakar
	Connecting 2 PCB boards with a hinge type pinhead connector.	BoKKeR	10 Replies 4012 Views	April 02, 2018, 02:53:45 am by DTJ
	ESP-WROOM-32 power pins showing connectivity	Sai teja	1 Replies 1025 Views	April 02, 2018, 02:11:43 am by Sceadwian
	MOVED: Asking for assistance diagnosing a preamp	adauphin	0 Replies 850 Views	April 01, 2018, 09:49:54 pm by adauphin
	Duty cycle of 38KHz IR carrier	Peabody	1 Replies 4504 Views	April 01, 2018, 07:19:53 pm by Benta
	How to use this comparator circuit with an MCU?	YoTech	10 Replies 3611 Views	April 01, 2018, 07:08:13 pm by YoTech
	two led esr meter kripton depository	pete g	5 Replies 2026 Views	April 01, 2018, 03:09:28 pm by Conrad Hoffman
	Problem with Bringing up a Brushless motor	amirkargar110	0 Replies 1025 Views	April 01, 2018, 03:07:53 pm by amirkargar110
	Do you know a way to prevent short circuits in a h-bridge?	Lewis Mojica	11 Replies 9030 Views	April 01, 2018, 01:48:33 pm by C
	Siemens PLC programming	VoidsWarranties	4 Replies 2584 Views	April 01, 2018, 01:07:04 pm by userrr
	Simple PC GUI programmable DSP analog i/o audio filter board?	Circlotron	1 Replies 1269 Views	April 01, 2018, 12:11:36 pm by KhronX
	Bi-directional "analog" level shifter (scaler)	suku	12 Replies 5836 Views	April 01, 2018, 11:37:48 am by mikerj
	Function generator ICs « 1 2 All »	bearman	34 Replies 36552 Views	April 01, 2018, 08:51:12 am by MarkF
	Separate Earth connections to group of 150W offline led lamps?	ocset	11 Replies 3790 Views	April 01, 2018, 04:26:06 am by Eka
	Audio DAC distortion/error cancellation (ESS9038)	hellokitten	0 Replies 1904 Views	April 01, 2018, 04:09:10 am by hellokitten
	Ground loops - boat vs lab style isolation transformer and secondary PE	e100	9 Replies 3611 Views	March 31, 2018, 09:39:20 pm by Electro Detective
	High Voltage Transmission Line Energy Harvesting	ratthechicken	15 Replies 3804 Views	March 31, 2018, 08:20:38 pm by David Hess
	What to do with +/-36.5V DC from +100W transformer, higher than realized	lordvader88	12 Replies 3310 Views	March 31, 2018, 06:10:17 pm by Zero999
	Understanding current sensing in a power supply	Atom	20 Replies 6627 Views	March 31, 2018, 11:55:33 am by Atom
	Microwave Black Magic Guru Needed « 1 2 All »	tecman	34 Replies 12978 Views	March 31, 2018, 10:08:06 am by 0xfede
	Choosing the Right Infrared Emitter for DIY photosensor	Chriss	9 Replies 3255 Views	March 31, 2018, 09:38:20 am by Chriss
	leaded solder touching and lead free solder - conformal coating protection	lots o tots	13 Replies 3927 Views	March 30, 2018, 11:17:07 pm by CatalinaWOW
	Diode connected transistor in output stage of SMU	ezalys	10 Replies 3236 Views	March 30, 2018, 10:11:38 pm by Circlotron
	"Joule Thief" Experiment, Need Help (For Unlimited Power Flashlight) « 1 2 All »	Undweeber	41 Replies 14528 Views	March 30, 2018, 03:33:26 pm by Undweeber
	Bridge rectifier + voltage doubler	fabiodl	8 Replies 3543 Views	March 30, 2018, 12:20:27 pm by Ian.M
	Need help with component placement/PCB layout for a buck LED driver (LT3755)	exscape	18 Replies 5542 Views	March 30, 2018, 12:20:15 pm by exscape
	My new 2-3S Lithium battery charger burned out!!!!!!!!!	soubitos	18 Replies 4944 Views	March 30, 2018, 10:42:25 am by soubitos
	Zeta Converter Design Questions + Aluminium Polymer Capacitors as Filters?	sean0118	17 Replies 9136 Views	March 30, 2018, 09:10:15 am by T3sl4co1l