Projects, Designs, and Technical Stuff

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	HP HSTNS-PD14 AND PD18 psu Over Voltage Protection voltage increase!	xlordbr	10 Replies 2933 Views	October 02, 2026, 10:22:24 pm by eblc1388
	[Tool] PCB Comparator: Instant manufacturers pricing & DFM comparison	pau2005su	6 Replies 1193 Views	October 02, 2026, 10:02:39 pm by pau2005su
	The nitty gritties of stepper motors	Etesla	4 Replies 707 Views	October 02, 2026, 09:50:23 pm by Doctorandus_P
	Scope probe for measurement in a noisy environment (inverter TIG welder)	kubeek	8 Replies 1346 Views	October 02, 2026, 06:14:34 pm by Mains
	Joule thief values	Picuino	15 Replies 1593 Views	October 02, 2026, 05:42:17 pm by IanB
	radiography simlulator	alitronic	1 Replies 384 Views	October 02, 2026, 03:48:24 pm by Terry Bites
	Medical implant teardown: Cordis Stanicor Kappa	D Straney	8 Replies 2231 Views	October 02, 2026, 03:10:52 pm by D Straney
	Where do people get the PSU for their projects ??	MathWizard	22 Replies 2753 Views	October 02, 2026, 11:15:25 am by MariuszD
	Multichannel graphing meter for pinball diagnosis?	wpietri	10 Replies 1298 Views	October 02, 2026, 10:28:45 am by woody
	Open-source ESP32-S3 marine diagnostic tool — NMEA 0183, CAN and web UI	sezhReppo	0 Replies 383 Views	October 02, 2026, 07:15:37 am by sezhReppo
	Gotek floppy drive emulator - Replacement firmware for better operation!	TERRA Operative	8 Replies 1247 Views	October 01, 2026, 05:29:56 pm by TERRA Operative
	A Curve Tracer Design Definitely Worth Looking At	watchmaker	4 Replies 842 Views	October 01, 2026, 04:10:45 pm by KE5FX
	Wound rotor induction motor question about Torque and Rotor current	70Miles	11 Replies 2306 Views	October 01, 2026, 01:51:54 pm by 70Miles
	Curve tracers: FRom the sublie to the what is this!!!	watchmaker	2 Replies 647 Views	October 01, 2026, 11:24:11 am by watchmaker
	Ulefone uSmart connector	Jorge_dPO	7 Replies 8920 Views	October 01, 2026, 09:42:19 am by keewhip
	Help: Noisy microphone design problem	EdenPal	5 Replies 836 Views	October 01, 2026, 08:42:08 am by MariuszD
	Bead Type NTC Thermistor - Mounting methods for mass production	Magnethicc	19 Replies 1427 Views	October 01, 2026, 05:42:05 am by Jeroen3
	Adventures in hobbytronics: bench power from ATX PS	Analog Kid	19 Replies 1245 Views	September 30, 2026, 11:54:11 pm by 0100010
	The Lamoka1/2	BearJHartjen	2 Replies 393 Views	September 30, 2026, 09:37:49 pm by BearJHartjen
	Brushed rotor snubber / transient suppresion circuit - please critique	Jester	2 Replies 388 Views	September 30, 2026, 03:25:15 pm by Jester
	DACs - die pictures « 1 2 3 4 5 All »	Noopy	121 Replies 43169 Views	September 30, 2026, 01:07:47 pm by Noopy
	Relay auto reset problem	Analogologist	12 Replies 862 Views	September 30, 2026, 09:09:40 am by PCB.Wiz
	Atorch DL24 1000W load tester (newer USB variant) protocol and control app	mosafet	6 Replies 2156 Views	September 30, 2026, 01:42:34 am by mosafet
	Guitar piezo pickup reverse engineering	Vytautas	12 Replies 2841 Views	September 29, 2026, 10:12:42 pm by Gyro
	UC3842 Boost Converter Problem	erdemtr55	10 Replies 748 Views	September 29, 2026, 09:06:46 pm by D2236
	creating a switched circuit for turn signals using the parking light « 1 2 3 All »	broly	59 Replies 4266 Views	September 29, 2026, 03:44:14 am by PCB.Wiz
	Angles between Sun, Saturn, Cassini probe, Daphnis moon at given time	rs20	4 Replies 1235 Views	September 28, 2026, 08:58:11 pm by rs20
	RS485, converting to USB, registers, software, etc. Working on a solar inverter	viper	11 Replies 1135 Views	September 28, 2026, 03:34:59 pm by viper
	Delayed USB Device power on (will a 555 timer work)?	Teddis	4 Replies 321 Views	September 28, 2026, 02:41:36 pm by Teddis
	Digital Buck Converter Designer (free beta)	never_settling_	8 Replies 1553 Views	September 28, 2026, 06:23:13 am by Phoenix
	Medical implant teardown: Intermedics CyberLith I (253-04)	D Straney	1 Replies 454 Views	September 28, 2026, 12:36:29 am by oPossum
	This is NOT a Peltz sinusoidal oscillator, but... « 1 2 All »	Sacodepatatas	31 Replies 2938 Views	September 27, 2026, 08:47:57 pm by MariuszD
	pitch as a way to controll sdd21	john23	0 Replies 140 Views	September 27, 2026, 05:31:37 pm by john23
	Edgewise: open source logic analyzer software (alpha)	mtharrison	7 Replies 637 Views	September 27, 2026, 03:47:33 pm by mtharrison
	LED indicator on AC « 1 2 All »	Watth	33 Replies 3007 Views	September 27, 2026, 01:11:35 pm by Seekonk
	Strange motor. Is it real or fake?	70Miles	13 Replies 880 Views	September 27, 2026, 11:07:43 am by Psi
	Will this solenoid actuator work as intended	70Miles	5 Replies 696 Views	September 27, 2026, 09:57:22 am by SteveThackery
	UV blockng transparent LCD « 1 2 3 All »	antenna	51 Replies 6633 Views	September 27, 2026, 01:45:34 am by mpp2508
	DIY Current load - PMOS design do not work	Halide	18 Replies 1074 Views	September 26, 2026, 08:41:28 pm by David Hess
	Time Electronics Model 1077 - Milliamp Transducer Sim. - Need photos	IanJ	3 Replies 676 Views	September 26, 2026, 08:20:25 pm by IanJ