TTL to RS485 Converter Board 3.3V/5V, Hardware Auto Control
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Prices updated: 13 Oct 2026
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About this product
A converter board that translates TTL serial (UART) signals into RS485 differential signals for longer-distance serial networks shared by several devices. It is compatible with both 3 V and 5 V logic. The hardware auto control feature manages transmit and receive direction without switching it in software.
Specifications
- Baud rate
- 110 to 256000 bps
- Operating voltage
- 3 V to 30 V DC
- Logic compatibility
- 3 V and 5 V
- Control
- Hardware auto control
Frequently asked questions
How is the module wired?
On the TTL side connect VCC, GND, TXD and RXD to the microcontroller. On the RS485 side connect A and B to the bus, and share GND with the network as required.
Can it work with a 3.3V microcontroller?
Yes. The listing states it is compatible with both 3 V and 5 V logic.
