
CD Driver | Electronics Forum (Circuits, Projects and Microcontrollers)
Nov 21, 2020 · The CD goes to the right position. I attach more photos. When CD goes to the right position, I need push the mechanism (at top of CD driver) for mechanism engage the …
LTspice model for CD4060B 14-stage binary clock/counter
Aug 15, 2016 · The model is not a stand-alone one; it requires use of input filter and output driver models found in the CD4000.lib and CD4000_v.lib libraries freely downloadable from the …
Using a CD4017 to drive a 7 Segment LCD display
May 24, 2010 · The 4517 is a decade counter with 10 outputs for counts 0 through 9. It can't readily be used to control a 7-segment display. A 4026 is a decade counter that will directly …
Invisible laser radiation in DVD drives? | Electronics Forum (Circuits ...
Oct 9, 2017 · If there was a Cd in then it would have offered some protection to direct exposure. Even then unless the Cd was recording the read laser operates at lower power, as mentioned …
Reduce 14v DC to 12v DC - Electronics Forum (Circuits, Projects …
May 20, 2024 · The LED is designed to be used without a driver as long as voltage is 12v. Typical power is from 12v marine battery or sealed lead acid battery (8Ah). The problem has arisen …
PWM Hit And Hold Solenoid Driver Using CD4093
Nov 2, 2020 · To minimize solenoid power, a full voltage initial pulse can be applied until the solenoid pulls in, then a lower voltage applied to maintain the position. This can be done by …
Fun with car ignition coils? Or use : ) | Electronics Forum (Circuits ...
Apr 10, 2009 · Here is a basic mains powered ignition coil driver. If you take the diac that triggers the SCR and put a opto coupler SCR IC in series with it then you could vary its firing rate …
SATA to USB converter - Electronics Forum (Circuits, Projects and ...
Jul 28, 2011 · Hi, I plan to make a SATA to USB converter so that I can use the internal hard disk of my desktop as an external storage device for the laptop. I would like to know how to go …
Motorcycle CDI Pulse output | Electronics Forum (Circuits, Projects …
Oct 30, 2016 · The CD ignition systems that I designed, had a current sensing resistor in series with the SCR and, if there was any current detected, the 400V inverter was inhibited to prevent …
Solar Tracker Using 555 timer - Electronics Forum (Circuits, …
Jan 23, 2010 · This is actually my FYP and I have a lot of trouble doing this... Can anyone check on my circuit and tell me whether I need to do some change or not.... Problems: 1) I've …