RS485 Raspberry Pi HAT
Product details
| Management number | 234967520 | Release Date | 2026/07/02 | List Price | $7.60 | Model Number | 234967520 | ||
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- RS-485 Half Duplex Port
- Up to 250 kbps transfer rate
- Use the Raspberry Pi to control external RS-485 devices
- Stackable with other Raspberry Pi accessory boards
The RS485 Raspberry Pi HAT is connected to the UART port on the Raspberry Pi using a SN65HVD72 interface. The SN65HVD72 IC converts the 3.3V UART signals to RS-485 voltages allowing communication with RS-485 compatible devices over a DB9 serial cable or twisted pair cable. The RS-485 port can be accessed through the DB9 port or the solder points on the PCB. The RS485 Pi contains protection against voltage spikes in the form of a TVS Diode and two 10-Ω, Pulse-Proof Thick-Film Resistors.
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