As electronics enthusiasts we may come across many kinds of resistors, from small fixed resistor to high current bulk rheostat. There are humongous classifications among resistors, but here we will focus on a particular kind of resistor called “flex resistor” and learn how it works. As the name signifies a flex resistor is flexible and […]
Arduino
Arduino Barometric Pressure Sensor Circuit – Working and Interfacing Details
In this article we are going to explore, what is a Barometer and how to interface a barometric BMP180 sensor with Arduino. We will also be exploring some of its important specification and finally I have explained how to predict weather using barometric readings. What is Barometer? Barometer is an instrument for measuring atmospheric pressure. […]
How to Connect Transistors (BJT) and MOSFET with Arduino
The interfacing of power devices like BJTs, and MOSFETs with Arduino output is a crucial configuration which allows switching high power loads through low power outputs of an Arduino. In this article we elaborately discuss the correct methods of using or connecting transistors like BJTs and mosfets with any microcontroller or an Arduino. Such stages […]
Interfacing DHTxx Temperature Humidity Sensor with Arduino
In this article we are going to take a look at DHTxx series sensors, which is used for measuring temperature and humidity, both the functionality is integrated into one module. We are going to see their specification, so that you can choose best sensor for your project and finally we are going to interface it […]
Arduino Full-Bridge (H-Bridge) Inverter Circuit
A simple yet useful Microprocessor based Arduino full-bridge inverter circuit can be built by programming an Arduino board with SPWM and by integrating a few mosfets with in H-bridge topology, I have explained the details below: In one of our earlier articles I will comprehensively explained how to build a simple Arduino sine wave inverter, […]
Arduino based Battery Over Discharge Protection Circuit
In this post, I will show how to construct a over discharge protection circuit for 12v battery using Arduino which can protect 12V SLA battery against over discharge, and also protect the connected load from over voltage in case of overcharged battery is connected. Understanding Battery Charge/Discharge Rates All the batteries have natural decline, […]