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Specifications
SKU: 9518671
| Parameter | Description | Value |
|---|---|---|
| Operating Voltage | Supply voltage range for the module | 2.5V to 3.3V |
| Operating Current | Typical current consumption during operation | 20mA (typical) |
| Communication Interface | Data interface used for communication with the host microcontroller | SPI, I2C (optional) |
| Operating Frequency | Frequency at which the RFID reader operates | 13.56 MHz |
| Operating Temperature | Temperature range for reliable operation | -20°C to +85°C |
| Storage Temperature | Temperature range for storage | -40°C to +85°C |
| Read/Write Range | Maximum distance for reading/writing RFID tags | Up to 50mm (depends on tag type) |
| Supported Protocols | Communication protocols supported by the module | ISO14443A, MIFARE Classic, MIFARE Ultralight, NTAG203, etc. |
| Package Type | Physical form factor of the module | DIP or SMD |
| Antenna Size | Dimensions of the built-in antenna | 60mm x 60mm (approx.) |
| Pin Count | Number of pins on the module | 8 (DIP), 16 (SMD) |
Instructions for Using MFRC52202
Power Supply:
- Connect the VCC pin to a 2.5V to 3.3V power supply.
- Connect the GND pin to the ground.
Communication Interface:
- SPI:
- Connect the SCK (Serial Clock) pin to the SPI clock line of your microcontroller.
- Connect the MOSI (Master Out Slave In) pin to the SPI data out line of your microcontroller.
- Connect the MISO (Master In Slave Out) pin to the SPI data in line of your microcontroller.
- Connect the SS (Slave Select) pin to the SPI chip select line of your microcontroller.
- I2C (Optional):
- Connect the SDA (Serial Data) pin to the I2C data line of your microcontroller.
- Connect the SCL (Serial Clock) pin to the I2C clock line of your microcontroller.
- Ensure that pull-up resistors are connected to the SDA and SCL lines if not already present.
- SPI:
Initialization:
- Initialize the SPI or I2C interface on your microcontroller.
- Send the appropriate initialization commands to the MFRC52202 to configure it for operation.
Reading Tags:
- Place an RFID tag within the read/write range of the antenna.
- Use the appropriate commands to initiate a read operation.
- The module will return the UID (Unique Identifier) and other relevant data from the tag.
Writing Tags:
- Place an RFID tag within the read/write range of the antenna.
- Use the appropriate commands to write data to the tag.
- Verify the write operation by reading the tag again.
Error Handling:
- Implement error handling routines to manage issues such as tag not found, communication errors, or invalid data.
Power Management:
- To reduce power consumption, you can put the module into a low-power mode when not in use.
- Use the appropriate commands to enter and exit low-power mode.
Antenna Tuning:
- For optimal performance, ensure that the antenna is properly tuned to the operating frequency.
- Adjust the antenna size or add capacitors if necessary to improve the read/write range.
Software Libraries:
- Consider using software libraries available for popular microcontrollers (e.g., Arduino, Raspberry Pi) to simplify the implementation of the RFID functionality.
Safety Precautions:
- Avoid exposing the module to excessive temperatures, moisture, or physical stress.
- Ensure proper grounding and shielding to prevent electromagnetic interference.
By following these instructions, you should be able to successfully integrate the MFRC52202 RFID reader into your project.
(For reference only)Inquiry - MFRC52202
