This project shows how to use an Arduino Uno microcontroller to create a basic FM radio receiver. The RDA5807M, a highly integrated FM radio module, is the receivers brains. This module may convert FM radio transmissions into audio signals after receiving them. The audio signal is then sent through a 3.5mm audio connector after being […]
Build Your Own Door Knob Touch Alarm Circuit
Simple yet efficient alarm systems may significantly increase the safety of homes and companies at a time when security is of the utmost importance. This simple project, the Door Knob Touch Alarm Circuit, uses a 555 integrated circuit to sense unwanted entry by touch. When someone touches the door knob, this circuit not only serves […]
Simple Arduino FM Transmitter Circuit
The widespread radio frequency broadcasting technique known as FM (Frequency Modulation) transmission is used to transmit audio signals. The creation of an Arduino FM transmitter has grown in popularity among enthusiasts due to the growing interest in do-it-yourself electronics projects. Using an Arduino Uno, KT0803K FM transmitter module, 7809 voltage regulator, and a basic antenna, […]
Simple Micro SD Card Data Logging Circuit with Arduino UNO
Accurate and effective data logging is essential in the field of electronics and data gathering. This project shows how to assemble an Arduino UNO, a micro SD card, an IC 7809 voltage regulator, and an IC LM35 temperature sensor to create a simple data logger. With this configuration, you may store temperature data over time […]
Metal Detector Circuit using Arduino
Metal detectors are devices that use electromagnetic fields to find metal items in the surroundings. Making a metal detector can be fun for people who like electronics. We can build a metal detector using an Arduino, a special chip called CS209A, LEDs, a buzzer, and other parts. This detector will use LEDs and sounds to […]
Building a Smart Pet Feeder Circuit using Arduino
Feeding times may be made more dependable and effective by automating typical pet care tasks. Using an Arduino Uno, an IC 7809 voltage regulator, a servo motor SG90, and an ultrasonic distance sensor HC-SR04, this project aims to create a basic automated pet feeding. The intention is to construct a feeder that uses distance measures […]