This project uses RF 433MHz module. One Arduino work like transmitter and other like receiver. When we press button on transmitter side, LED on receiver side go ON or OFF. This RF Transmitter Receiver Circuit with Arduino Uno is very simple. Good project for new beginners. Range is small but enough for small hobby work. […]
Transmitter Circuit
Arduino IR LED Transmitter Circuit
This project sends IR signals using Arduino. Arduino drives one IR LED. We press button on serial monitor or code trigger. IR LED sends coded light signal. This Arduino IR LED Transmitter Circuit works like a small remote controller. Circuit is easy and simple. Arduino Coding: Coding Explanation: Circuit Working: Parts List: Component Name Value […]
IR Transmitter and Receiver Circuit using 555 and 4017 IC
This project is IR Transmitter and Receiver Circuit using 555 and 4017 IC. It works with infrared light. It has two parts transmitter and receiver. Transmitter sends IR signal. Receiver catches signal and turns relay ON or OFF. It can control small home device without wire. Circuit Working for IR Transmitter Circuit : Parts List […]
Arduino Based GPS Digital Clock Circuit
Normal digital clock use RTC chip or manual setting. Problem is RTC needs drift and reset. But here Arduino Based GPS Digital Clock Circuit solves the problem. GPS talk with satellite and always give exact time. Arduino read GPS time and show on LCD. So clock is never wrong, as it always auto update from […]
Smart Table to Kitchen Order Circuit with Arduino
This Smart Table to Kitchen Order Circuit with Arduino brings smart techniques to restaurants. It creates a wireless food order system using Arduino. Just press a button and our order reaches the kitchen instantly. No waiting, no confusion and just smart service. Transmitter Arduino Coding: Receiver Arduino Coding: Code Explanation: Circuit Working: Transmitter Side Circuit: […]
Simple QRP Antenna Tuner Circuit for RF Applications
QRP is word in ham radio which means to send signal with low power. It come from Morse code. ‘QRP’ say “lower your power” and this QRP use power rules like: Simple QRP Antenna Tuner Circuit for RF Applications help send signal better. It connect low power radio to antenna. Tuner fix mismatch, stop power […]