MAX485 TTL to RS485 Converter Module - 5V DC
The MAX485 module is a TTL to RS485 converter designed for 5V logic systems, enabling robust differential serial communication between microcontrollers like Arduino, Raspberry Pi, and STM32 and industrial RS485 networks over extended distances.
Features
- TTL to RS485 differential signal conversion for noise-resistant communication.
- Operates from a single 5V DC power supply with low power consumption.
- Compact PCB design (37mm x 17mm) for easy integration into embedded systems.
- Compatible with Arduino, Raspberry Pi, ESP32, STM32, and other 5V logic microcontrollers.
- Enables reliable data transmission over long distances in industrial environments.
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The MAX485 module serves as a critical interface bridge, converting the single-ended TTL/UART signals from a microcontroller into the balanced differential signals required by the RS-485 standard. This conversion provides inherent common-mode noise rejection, making data transmission reliable over long cable runs and in electrically noisy environments typical of industrial automation, building control, and sensor networks.
Based on the MAX485 IC, the module includes the necessary transceiver circuitry, termination resistors, and status LEDs for transmit/receive indication. It is designed for half-duplex communication, requiring a single twisted-pair cable for bidirectional data flow. The module’s 5V operation aligns with common development board logic levels, simplifying integration without the need for additional level shifters.
Additional Information
| Weight | 0.006 kg |
|---|---|
| Dimensions | 3.7 × 1.7 cm |
