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Dual-channel RS485 expansion board - for Raspberry Pi 4B - DFRobot DFR0824
49.36 €
Мес. плата от 2,17 €
3673000 AN-22929
6959420923250
Доставка 11-18 р.д.
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Dual-channel RS485 expansion board for Raspberry Pi 4B minicomputer. It is designed to extend the functionality of the module via RS485 communication, thereby increasing the reliability of the connection and avoiding possible data transmission interference. The board is equipped with protection circuits, such as lightning and surge protection, and also includes a TVS diode and power supply isolation. The edge of the board has screw-type connectors, which allow for easy and quick connection to other peripherals. Main features:
- Dual-channel RS485 adapter for Raspberry Pi 4B
- Electrical and signal isolation
- Lightning and surge protection
- Transient voltage suppressor
- RX/TX data transmission and reception indicator
Specifications:
- Operating voltage: 3.3V
- Integrated RS485 transmitter: TP75176E
- Serial chip: CH432T
- Communication interface: RS485 x2
- Power indication: red LED
- TX communication signaling: blue LED
- RX communication signaling: green LED
- Terminal resistance: 120 ohms x2
- Terminals: terminal strip (screw connection), 3-pin, 5.08 mm wide
- Compatibility: Raspberry Pi 3B+ / 4B
- Mounting hole diameter: 2.5 mm
- Board dimensions (measured without screw connections): 56 x 65 mm
Included:
- Two-channel RS485 expansion board - for Raspberry Pi 4B - DFRobot DFR0824 - 1 pc
- Mounting screws - 8 pcs.
- Gaskets - 4 pcs.
