Make This Simple Graphical LCD Scope
This scope reads input signal and displays the output waveform on a graphical liquid crystal display (GLCD) having 128×64-pixel resolution. The signal is fed...
Wireless LCD Display Via Bluetooth
This wireless LCD display shows information sent from a smartphone. The user can send text messages with up to 32 alphanumeric characters to the...
Digital Frequency Meter Using Arduino
This article describes the implementation of a digital frequency meter using Arduino Uno to determine the sinusoidal frequency signal in the range of 20Hz...
ESP32 LoRa Gateway
In a boiler safety project, we completed, in which we are collecting 32 thermocouple readings from the deep of a 500 MW boiler 2nd...
Control With Authentication For Up To Four Devices
This circuit can be used to control up to four electrical devices through a cellphone or computer. The main advantage is that you can...
Dual Audio Level Shifter and Buffer for ADCs, MCU Kits and Arduino
Many single-ended analogue signals do not have DC components or appropriate DC offsets. Due to that, these require very high input resistance for analogue-to-digital...
Arduino-Controlled 12V Battery Charger
The Automatic Battery Charger circuit presented here can automatically charge a 12V, 7Ah battery, or above. Special features of the charger are as follows....
Simple Self Stabilization System Using Arduino
Thanks to the invention of camera gimbals/stabilizers, we are now able to capture videos smoothly and easily. You will find plenty of different types...
Equipment Controller Using MATLAB-Based GUI
In this project, a MATLAB platform to control up to four electrical equipment is presented. Controlling electrical equipment from a remote location using a...
Humidity And Temperature Monitoring Using Arduino With The IoT
Using the Internet of Things (IoT) in homes and industries it is possible to control any electrical or electronic equipment. Moreover, you can get...
RGB Color Detector Using TCS3200 Sensor Module
This is a simple color sensor using Arduino Uno R3 and TCS3200 color sensor module. It can be useful for color identification and detection...
The IoT-Based Timer Switch For Electric Water Heater
This timer switch for an electric water heater is based on NodeMCU and Blynk IoT cloud solution. An electric water heater is used in...
RFID Based Access Control Using Arduino
This RFID Based Access Control System is built around Arduino UNO board, RFID reader module, solenoid lock and a few other components.
RFID is a...
Multi-Utility Protection System for Agricultural Equipment
This Multi-Utility Protection System project is used for fire detection and then sending an SMS alert to a cellphone. The design is based on...
PWM-Based Motor Speed Control Simulation Using LTSpice
Pulse-width modulation (PWM) is one of the oldest and widely used techniques of controlling electrical motors. To control the speed of the motor, the...
Smart Health Monitoring Device that Monitor Blood, Oxygen, And Heart Rate With Automatic Data Saving System
Arduino enthusiasts can take advantage of the various wearable health devices available in the market today to monitor health status conveniently at home, without...
IoT-Based Data Logger Using ThingSpeak And WeMos
This project is a IoT based data logger system that displays temperature and humidity on ThingSpeak.com using WeMos D1 R2 board. You can add...
Industrial Digital Thermometer
Presented here is a 4-digit Industrial Digital thermometer based on ATmega16 microcontroller (MCU), which can measure temperature up to 1024°C.
Normal thermometers have a limited...