Author: behindthesciences

Pulse Width Modulation (PWM) Laser/LED Communications Circuit

behindthesciences | July 4, 2016

The post briefly shows a circuit that could be used to transmit data optically (through the air) to a receiver. In this case, we made a circuit to

Electronics

How to Build a Simple Thermistor Circuit

behindthesciences | July 4, 2016

This tutorial post is on how to build a simple thermistor circuit. There is a variety of temperature sensors on the market all of which meet specific application needs.

Electronics

Ultrasonic sensor distance measurement

behindthesciences | July 4, 2016

This post describes the use of an ultrasonic sensor to measure distance of a target. The goal of this post is to help you understand how this sensor works