Contents
What is transmitter module?
An RF module (short for radio-frequency module) is a (usually) small electronic device used to transmit and/or receive radio signals between two devices. RF communications incorporate a transmitter and a receiver. They are of various types and ranges. Some can transmit up to 500 feet.
What is transmitter circuit?
A radio transmitter is an electronic circuit which transforms electric power from a power source, a battery or mains power, into a radio frequency alternating current to apply to the antenna, and the antenna radiates the energy from this current as radio waves.
Can a Arduino be used as a RF transmitter?
These RF modules are very popular among the Arduino tinkerers and are used on a wide variety of applications that require wireless control. These modules are very cheap and you can use them with any microcontroller, whether it’s an Arduino, ESP8266, or ESP32. Specifications RF 433MHz Receiver Frequency Range: 433.92 MHz
Can a Arduino be connected to a 433 MHz receiver?
The other Arduino board will be connected to a 433 MHz receiver to receive the messages. You need the following components for this example: You can use the preceding links or go directly to MakerAdvisor.com/tools to find all the parts for your projects at the best price!
How can I connect my Arduino receiver to another?
Wire the receiver module to another Arduino by following the next schematic diagram. Important: always check the pinout for the transmitter module you’re using. Usually, there are labels next to the pins. Alternatively, you can also take a look at your module’s datasheet. Upload the code below to the Arduino connected to the receiver.
How does an Arduino communicate with a remote control?
The communication range will vary. It depends on how much voltage you’re supplying to your transmitter module, RF noise in your environment, and if you’re using an external antenna. If you want to use 433 MHz remote controls to communicate with your Arduino, follow this tutorial: Decode and Send 433 MHz RF Signals with Arduino.