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 […]