Microohm Meter with LED Analog Bar
This indicates like LM3914 in dot-mode. It is a drawing i made made to troubleshoot a gadget, around two decades ago. Strangely it had a […]
Month: November 2016
Interface ICL7135 Voltmeter to PC
A PC based Analog Voltmeter. The Printer Port or Parallel Port Interface is used to acquire high resolution analog data using ICL7135. This is a […]
AD590 based Temperature Sensor
Learn how to use the AD590 to measure environment temperatures for display, logging or cold junction compensation. The voltage at the point 1 of R4 […]
Graphic Equalizer Circuits
plz send me sound equalizer circuits. – email by AH Search for …… graphic equalizer circuits. You have many pages to see, and the navigation for […]
Decade Digital Counter Module – LED and LCD
I’m looking for a source of decade counters and wonder if you can help? I don’t want to build the counter, I want to buy […]
Three Phase AC SSR for 1 HP Motor
I need to build a three phase AC(in 120V)-AC(out 440V) solid state relay to turn on or off a small(1hp) three phase AC motor. Do […]