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How to Use RF YK04 433MHz receiver: Examples, Pinouts, and Specs
Design with RF YK04 433MHz receiver in Cirkit DesignerIntroduction
The RF YK04 433MHz receiver module is a wireless receiver that operates at a frequency of 433MHz. It is commonly used in remote control systems, wireless data transmission, and various IoT applications. This module is known for its reliability, ease of use, and compatibility with microcontrollers like the Arduino UNO.
Explore Projects Built with RF YK04 433MHz receiver
433 MHz RF Transmitter and Receiver with Arduino UNO for Wireless Communication
This circuit consists of two Arduino UNO microcontrollers, each connected to an RF 433 MHz Transmitter and a 433 MHz RF Receiver Module. The setup allows for wireless communication between the two Arduinos, enabling them to send and receive data over a 433 MHz RF link.
Open Project in Cirkit Designer433 MHz RF Transmitter and Receiver with Arduino Uno for Wireless LED Control
This circuit consists of two Arduino Uno R3 microcontrollers communicating wirelessly using 433 MHz RF modules. One Arduino is connected to an RF transmitter to send data, while the other Arduino is connected to an RF receiver to receive data and control an LED based on the received signal.
Open Project in Cirkit DesignerArduino-Based Wireless Robotic Hand with Joystick Control and Servo Motors
This circuit consists of three Arduino UNO microcontrollers, a 433 MHz RF receiver and transmitter, dual-axis joystick modules, and multiple servos. The system is designed to receive joystick inputs and transmit them wirelessly to control the servos, likely for a remote-controlled robotic application.
Open Project in Cirkit DesignerESP32-Based RF Communication System with 433 MHz Modules
This circuit comprises an ESP32 microcontroller connected to a 433 MHz RF transmitter and receiver pair. The ESP32 is programmed to receive and decode RF signals through the receiver module, as well as send RF signals via the transmitter module. Additionally, the ESP32 can communicate with a Bluetooth device to exchange commands and data, and it uses an LED for status indication.
Open Project in Cirkit DesignerExplore Projects Built with RF YK04 433MHz receiver
433 MHz RF Transmitter and Receiver with Arduino UNO for Wireless Communication
This circuit consists of two Arduino UNO microcontrollers, each connected to an RF 433 MHz Transmitter and a 433 MHz RF Receiver Module. The setup allows for wireless communication between the two Arduinos, enabling them to send and receive data over a 433 MHz RF link.
Open Project in Cirkit Designer433 MHz RF Transmitter and Receiver with Arduino Uno for Wireless LED Control
This circuit consists of two Arduino Uno R3 microcontrollers communicating wirelessly using 433 MHz RF modules. One Arduino is connected to an RF transmitter to send data, while the other Arduino is connected to an RF receiver to receive data and control an LED based on the received signal.
Open Project in Cirkit DesignerArduino-Based Wireless Robotic Hand with Joystick Control and Servo Motors
This circuit consists of three Arduino UNO microcontrollers, a 433 MHz RF receiver and transmitter, dual-axis joystick modules, and multiple servos. The system is designed to receive joystick inputs and transmit them wirelessly to control the servos, likely for a remote-controlled robotic application.
Open Project in Cirkit DesignerESP32-Based RF Communication System with 433 MHz Modules
This circuit comprises an ESP32 microcontroller connected to a 433 MHz RF transmitter and receiver pair. The ESP32 is programmed to receive and decode RF signals through the receiver module, as well as send RF signals via the transmitter module. Additionally, the ESP32 can communicate with a Bluetooth device to exchange commands and data, and it uses an LED for status indication.
Open Project in Cirkit DesignerTechnical Specifications
Key Technical Details
| Parameter | Value |
|---|---|
| Operating Voltage | 5V DC |
| Operating Current | 4.5mA |
| Frequency | 433MHz |
| Sensitivity | -105dBm |
| Data Rate | 2.4kbps (max) |
| Modulation Type | ASK (Amplitude Shift Keying) |
| Operating Temperature | -20°C to +70°C |
Pin Configuration and Descriptions
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | VCC | Power supply (5V DC) |
| 2 | GND | Ground |
| 3 | DATA | Data output pin |
| 4 | ANT | Antenna connection |
Usage Instructions
How to Use the Component in a Circuit
- Power Supply: Connect the VCC pin to a 5V power supply and the GND pin to the ground.
- Data Output: Connect the DATA pin to a digital input pin on your microcontroller (e.g., Arduino UNO).
- Antenna: Connect a suitable antenna to the ANT pin to improve the reception range.
Example Circuit Diagram
Arduino UNO RF YK04 433MHz Receiver
+-----------+ +----------------------+
| | | |
| 5V +--------+ VCC |
| GND +--------+ GND |
| Digital Pin 2 +--+ DATA |
| | | ANT |
+-----------+ +----------------------+
Important Considerations and Best Practices
- Antenna: Use a proper antenna to ensure good signal reception. A simple wire of approximately 17.3 cm (quarter wavelength of 433MHz) can be used.
- Noise Reduction: Place the receiver module away from sources of electromagnetic interference to reduce noise.
- Power Supply: Ensure a stable 5V power supply to avoid fluctuations that can affect performance.
Arduino UNO Example Code
/*
Example code to receive data from RF YK04 433MHz receiver
connected to an Arduino UNO. The received data is printed
to the Serial Monitor.
*/
const int dataPin = 2; // Pin connected to DATA pin of RF receiver
void setup() {
Serial.begin(9600); // Initialize serial communication at 9600 baud
pinMode(dataPin, INPUT); // Set data pin as input
}
void loop() {
int receivedData = digitalRead(dataPin); // Read data from receiver
Serial.println(receivedData); // Print received data to Serial Monitor
delay(100); // Small delay to avoid flooding the Serial Monitor
}
Troubleshooting and FAQs
Common Issues and Solutions
No Data Received:
- Check Connections: Ensure all connections are secure and correct.
- Antenna: Verify that the antenna is properly connected and of the correct length.
- Power Supply: Ensure a stable 5V power supply.
Interference and Noise:
- Placement: Place the receiver module away from other electronic devices that may cause interference.
- Shielding: Use shielding techniques to reduce electromagnetic interference.
Inconsistent Data:
- Power Supply: Ensure a stable and clean power supply.
- Antenna: Check the antenna connection and length.
FAQs
Q1: Can I use the RF YK04 433MHz receiver with other microcontrollers? A1: Yes, the RF YK04 433MHz receiver can be used with various microcontrollers, including Arduino, Raspberry Pi, and others, as long as the voltage and pin configurations are compatible.
Q2: What is the maximum range of the RF YK04 433MHz receiver? A2: The range depends on various factors, including the antenna used and environmental conditions. Typically, it can range from 50 meters to 200 meters in open space.
Q3: How can I improve the reception range? A3: Use a proper antenna, ensure a stable power supply, and place the receiver module away from sources of interference to improve the reception range.
This documentation provides a comprehensive guide to using the RF YK04 433MHz receiver module, covering its technical specifications, usage instructions, and troubleshooting tips. Whether you are a beginner or an experienced user, this guide will help you effectively integrate the receiver module into your projects.