DIY Automatic plant watering system This project is about a moisture-sensing automatic plant watering system using 8051 microcontroller. The system simply senses the moisture level and switches on…
Heart rate monitor with SMS alert (Using 8051 and GSM module). This project is about a heart rate monitor that senses the heart rate from the finger tip…
Interfacing stepper motor to 8051 microcontroller. This article is about interfacing stepper motor to 8051 microcontroller. Many guys were asking here to show how to interface stepper motor…
PIR sensor based burglar alarm with SMS alert. This project is about a PIR sensor based burglar alarm with SMS alert. The circuit senses the intrusion using a PIR…
This article is about interfacing GSM module to 8051 microcontroller. GSM module has become a very commonly occurring hardware in embedded system applications and the knowledge on how…
Humidity sensor using 8051 (Hygrometer) This project is about a simple humidity sensor based on 8051 microcontroller. Humidity sensor is also called hygrometer. This circuit can sense relative…
Microcontroller Based Programmable Data-cum-Temperature Display. LCD display are most widely used in applications like token display machine in malls, supermarkets, restaurants, cafe-houses etc. The project presented here demonstrates…
LiPo battery charger. Li-Po battery or Lithium-Polymer battery is a rechargeable battery based on the Lithium-ion technology enclosed in a flexible pouch. This soft, flexible pouch makes them…
Ultrasonic water level controller using 8051 microcontroller. A simple water level controller using ultrasonic range finder module and 8051 microcontroller is discussed in this article.Many projects based on…
Interfacing RFID to 8051 . RFID or Radio Frequency Identification is a method in which electromagnetic waves are used for transmitting data for the purpose of identifying tags attached…
This article is divided into two sections Interfacing PIR sensor to 8051 DIY intruder alarm circuit Interfacing PIR sensor to 8051 microcontroller PIR sensors are widely used in…
Interfacing SPD005G pressure sensor to arduino This article is about interfacing pressure sensor to Arduino. The pressure sensor used here is SPD005G from Smartec . SPD (Smart Pressure…
We have published a digital code lock using arduino some weeks before. This one is a little different. The earlier version was based on a defined password, where…
Interfacing gyroscope to arduino uno. This article is about interfacing gyroscope to arduino. Gyroscope is a device used for measuring the angular velocity in the three axes. It…
LPG sensor using arduino with alarm and cutoff. A simple LPG sensor using arduino is shown in this article. This circuit indicates the amount of LPG in the…
Auto ranging ohmmeter using arduino. This article is about a simple auto ranging ohmmeter using arduino. The measured resistance is displayed using a 16×2 LCD display. The circuit…
Arduino water level controller / indicator. This article is a about a fully functional water level controller using Arduino. The circuit displays the level of water in the…
Digital tachometer using arduino plus speed control. Tachometer is a device used for measuring the number of revolutions of an object in a given interval of time. Usually…
In this guide, we’re learning how to interface LCD to Arduino and display text characters on LCD screen. We’re interfacing 16×2 LCD to Arduino as a demonstration with…
PWM motor speed control using Arduino. PWM or pulse width modulation is a very common method used for controlling the power across devices like motor, light etc. In…
Simple digital code lock using arduino. Digital code lock or digital combination lock are a type of digital locks where a combination of digits/characters or both are used…
Interfacing hex keypad to arduino uno. This article is about how to interface a hex keypad to arduino. Hex keypad is a very important component in embedded systems…
Digital thermometer using arduino and LM35. This article is about a simple three digit digital thermometer using arduino. Range of this thermometer is from 0°C to 99.9°C. There…
Simple temperature logger using arduino (°C & °F). This project is about a simple USB temperature logging system using arduino uno and the serial monitor function in the arduino…
Ultrasonic range finder using arduino. Ultrasonic range finder using 8051 mictrocontroller has been already published by me in this website. This time it is an ultrasonic range finder…
