Make an Encoder for your Bot
I want to build a cheap wheel encoder by myself. – Need some help here. I want to build a cheap wheel encoder by myself. Now, my idea was to use a photodiode and...
Author: delabs
ICL7129 AD Converter needs Triplexed LCD
I’m using the ICL7129ACPL to construct a simple 4-1/2 digit DVM. I looked over the application notes on FE LCDs on a similar post and noticed that it listed the FE0206 4-1/2 digit LCD...
Sourcing the SP646 Solid State Relay
I have a customer that call out a Solid State relay and i cannot find any information on it. Can you help? It is a SP-646. I need a quote on 60 and 120...
Precision Temperature Control with PID and SSR
I want to make a furnace controller by PID and SSR that can control temperature of the precision of .1 degree.Would you suggest me some controller and SSr that can do this job from...
Hypersonic Speakers – Acoustic Heterodyning
i have been searching for any technical help regarding my project, hypersonic speakers,but my efforts were in vain. hypersonic speakers are interesting to work upon. kindly guide if if you have any knowledge regarding...
Low Cost Simple CFL lamp
my earlier email ,went unanswered….. i need some circuit whiz to design a —–Low Cost / Simple discrete component (may include 555 IC ,but no Custom Ballast ICs..) CIRCUIT—-to light up a 7 watt...
Millivolt Circuit ICL7129 MAX7129
My application is to calibrate some instruments with help of this source. I’ve studied your circuit earlier also., but I want a battery operated mV source. upto 100mV full scale which is portable but...
Drive or Fire Thyristors SCR with Pulses
message: Hi, i’m looking at building a power supply 0-35v ,0-100A adjustable cv and cc. I stumbled across your circuit drive-scr-thyristor-with-555 is there a link to describe what phase logic is required to complete...
