Analog Mux for Data Acquisition Systems
2020-09-07
Here is a 4-20 mA In/Out Analog Mux with Cascade option. This is a simple circuit i designed to make a Automation System within a budget. This takes 4-20mA fromRead More
Multi Zone Process Monitor
2018-05-07
Here is an ancestor of the product in the earlier post. It is a Process Scanner and Indicator. There was no control, but there were individual alarms for each channel.Read More
Control system design Notes
2018-02-26
Proportional Controllers not only save energy, they can give a controlled finish or treatment to a job. An on-off controller or thermostat limit protection has to be used in series,Read More
Relative Humidity Table for Hygrometer
2017-01-08
Wet bulb and Dry bulb Digital Humidity Meters or Hygrometers are accompanied with a chart for evaluating % RH. This chart is in PDF format below. Table of Relative HumidityRead More
Pressure Measurement and Control
2015-11-04
Pressure is the next most important parameter after Temperature. In Hydraulics and Pneumatics, the measurement, indication, control and logging-charting of pressure is indispensable. Popular Pressure Sensors are based on eitherRead More
Fluid or Water Level Indicator with Reed Relays
2014-09-09
This is a way by which you can monitor the level of fluids like water in a tank. Based on data from the sensor you can control things like solenoidsRead More