Beginners - Page 1

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	Subject	Started by	Replies / Views	Last post
mikerj, rbe and 6085 Guests are viewing this board.
	how does posting math notation work? « 1 2 All »	Simon	40 Replies 270326 Views	Yesterday at 12:04:50 pm by Seanallan
	Datasheet Database « 1 2 3 4 5 All »	webkraller	102 Replies 563977 Views	May 17, 2026, 07:39:55 pm by dobsonr741
	Electronics primers, course material and books « 1 2 3 4 5 6 ... 13 All »	Chasm	315 Replies 936641 Views	May 07, 2026, 10:44:07 am by rosebudsteammyy
	From no parts to decent stockpile, best approach? « 1 2 3 4 5 6 ... 12 All »	alexanderbrevig	297 Replies 879939 Views	August 22, 2025, 08:05:50 am by JOSDHO
	Oscilloscope training class (long) « 1 2 3 4 5 6 ... 10 All »	w2aew	228 Replies 906806 Views	August 01, 2025, 03:08:12 am by Eurora
	Why writing style and grammar matters in posts « 1 2 3 All »	Nominal Animal	52 Replies 134358 Views	February 24, 2025, 09:36:07 pm by geralds
	NEWBIES PLEASE READ BEFORE POSTING	EEVblog	0 Replies 254283 Views	December 28, 2013, 10:14:27 pm by EEVblog
	P-MOS current mirror	Joy	1 Replies 48 Views	Today at 07:28:47 pm by dobsonr741
	PNP current mirror	Joy	12 Replies 409 Views	Today at 06:10:11 pm by TimFox
	Discrete component power rating in RF circuits	Joy	0 Replies 21 Views	Today at 05:36:41 pm by Joy
	opamp CC LED driver	Stjepan	19 Replies 905 Views	Today at 05:08:47 pm by paddyoneone
	ZT-703S Oscilloscope stops responding to inputs after it boots into scope mode	trotyl	5 Replies 514 Views	Today at 04:52:31 pm by paddyoneone
	Attempt to recreate a probe's pulse induction coils	beamformerXY	1 Replies 142 Views	Today at 04:39:28 pm by paddyoneone
	Schematic Review — STM32H743 Robot Controller + PDB	KAMAL DEEN	12 Replies 602 Views	Today at 04:38:12 pm by pcprogrammer
	Pcb Review	Nikelaus	5 Replies 185 Views	Today at 04:24:47 pm by paddyoneone
	Saw generator with offset on a double comparator « 1 2 All »	AlexRG	28 Replies 937 Views	Today at 04:18:38 pm by mawyatt
	Discrete VLDO board: looking for advice on stability, drift and when to stop?!	m9oms	4 Replies 130 Views	Today at 04:02:08 pm by m9oms
	Hello Everyone Out There ✨	Macdernozpaul	6 Replies 377 Views	Today at 10:14:57 am by SteveThackery
	Voltage limits for a current source	LoveLaika	8 Replies 381 Views	Yesterday at 05:57:39 pm by LoveLaika
	dual coil relay coil polarity « 1 2 3 All »	VEGETA	64 Replies 2980 Views	Yesterday at 04:57:47 pm by PGPG
	Attempting to find pinouts of this roomba LiDAR sensor.	Starry_Nites	0 Replies 79 Views	Yesterday at 02:55:23 pm by Starry_Nites
	Wien bridge	threephase03	15 Replies 910 Views	Yesterday at 08:18:36 am by threephase03
	Need Help Understanding TL494 Voltage Error Amplifier and Adjustable Voltage Con « 1 2 3 4 All »	ommsiva	78 Replies 3448 Views	Yesterday at 01:54:53 am by max.wwwang
	1.5 button cell battery holder	lichurbagan	9 Replies 476 Views	June 25, 2026, 08:10:09 pm by SteveThackery
	Working principle of battery low charge indication	anso-engineer	3 Replies 244 Views	June 25, 2026, 02:44:32 pm by MathWizard
	Why do we say impulse response characterise the LTI system?	shivajikobardan	11 Replies 899 Views	June 25, 2026, 02:05:46 pm by mawyatt
	What would this 'photo-transistor' type thing be on a TV IR remote PCB	MathWizard	3 Replies 195 Views	June 25, 2026, 06:07:36 am by RoGeorge
	2-in-1 portable tool for heavy machinery diagnostics?	Pcaiman	2 Replies 163 Views	June 25, 2026, 02:22:55 am by Renate
	How do mains-AC opto-isolators make their supply voltage ?	MathWizard	6 Replies 425 Views	June 24, 2026, 05:40:17 pm by Phil1977
	Beginner switch question. « 1 2 All »	weswales	28 Replies 1238 Views	June 24, 2026, 04:15:30 pm by floobydust
	Weird charging issue with laptop	pierremontagne	20 Replies 855 Views	June 24, 2026, 01:30:12 pm by radiolistener
	BM235 – Repeatedly resets when switching to Diode mode	JTW55	4 Replies 247 Views	June 24, 2026, 05:39:08 am by JTW55
	psu tap switching question	ME	24 Replies 1346 Views	June 24, 2026, 02:21:36 am by MathWizard
	IoT GSM SIM to use in Canada/USA	sairfan1	4 Replies 234 Views	June 23, 2026, 06:17:56 pm by radiolistener
	Check the electronic board, with lamp and variac « 1 2 3 4 5 All »	CharlotteSwiss	103 Replies 4031 Views	June 23, 2026, 02:48:11 pm by CharlotteSwiss
	Elegoo starter kit	Cromulent	12 Replies 764 Views	June 23, 2026, 02:32:59 pm by BillyO
	Hello from a long-time lurker! (xecor)	xecor	8 Replies 682 Views	June 23, 2026, 06:42:31 am by EEVblog
	sanity check regarding generalized dc-dc&LDO combination math-wise..	sparkydonkey	4 Replies 244 Views	June 22, 2026, 10:51:05 pm by sparkydonkey
	Help - How do synchronous boost converters behave at VIn = VOut-ε? e.g. TPS61023	Arte	4 Replies 292 Views	June 22, 2026, 06:29:05 pm by Benta
	New to PCB design and EE. Asking for advice	anan5a`	4 Replies 305 Views	June 22, 2026, 04:21:05 pm by PGPG