Hobby Electronics Basics

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T6963C simple Question

Hi, I'm writing a library for an easy use of my 240x128 LCD display with the T6963C controller. I can display pixels an...
3 comments posted 21yrs
posted by dan.lavoie
3 comments posted 21yrs posted by dan.lavoie

OpAmp Gain Values Revisited

Okay, I will see if I can overstay my welcome in a hurry here :-) Folks helped me with the first stage of a three stage...
6 comments posted 21yrs
posted by mark349
6 comments posted 21yrs posted by mark349

Anyone can help me

Anyone can help me, im new do things with electronics I have a light modulate kit built with THYRISTOR=B4s and wen I tr...
1 comments posted 21yrs
posted by dcalcada
1 comments posted 21yrs posted by dcalcada

Basic Circuit Question

I am trying to debug a kit that I bought that isn't working. I am trying to test various links on the board with a an L...
6 comments posted 21yrs
posted by faceman28208
6 comments posted 21yrs posted by faceman28208

Please Help!!!! LM2907 Speed Switch

I am trying to make a speed switch with the LM2907. My power supply will be 12v and I am wanting this to light up a gro...
10 comments posted 21yrs
posted by thelordfamily
10 comments posted 21yrs posted by thelordfamily

9V Power Supply Question

On a 9V power supply with an "M" connector, is: Inside + Outisde- Or Inside- OUtside+
3 comments posted 21yrs
posted by dummy
3 comments posted 21yrs posted by dummy

Detuning/widening bandwidth of piezo transducer?

Hi all, I recently posted about a bat detector (read ultrasonic pitch downshifter) I'm building from the following sche...
4 comments posted 21yrs
posted by torbenwilson
4 comments posted 21yrs posted by torbenwilson

D-latch's propagation time?

Hi all, When I use positive level trigger D-latch, What's the propagation time for D-latch? I.e. from positive edge or f...
12 comments posted 21yrs
posted by zhushenli
12 comments posted 21yrs posted by zhushenli

CMOS NOR gate's Layout?

Hi all, Where can I find a basic CMOS NOR gate Layout picture? Any suggestions will be appreciated! Best regards, Davy
2 comments posted 21yrs
posted by zhushenli
2 comments posted 21yrs posted by zhushenli

increment a counter

Followup on my original posting. I want to increment my counter with a normally open output wire from a pnp sensor. Whe...
1 comments posted 21yrs
posted by darlapphood
1 comments posted 21yrs posted by darlapphood

LED seven segment counter

I have a counter i want to increment with a normally open output wire from a pnp sensor. When i activate the sensor the...
5 comments posted 21yrs
posted by darlapphood
5 comments posted 21yrs posted by darlapphood

HELP Using caps to briefly ground contact

I am working on a Halloween project that uses a commercial sound system. It's just a little box that plays sounds off C...
0 comments posted 21yrs
posted by wendelloni
0 comments posted 21yrs posted by wendelloni

Low-cost oscilloscope recommendations

Hi, I haven't been able to find a recent thread on this so I figured I'd start a new one. I graduated with my M.S. in c...
8 comments posted 21yrs
posted by josh.curtz
8 comments posted 21yrs posted by josh.curtz