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2-Channel Isolated RS485 Expansion HAT for Raspberry Pi
The Raspberry Pi Board from the images is not included.
See description for more details about the product.
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This is a 2-channel isolated RS485 expansion HAT designed for Raspberry Pi, adopts the SC16IS752+SP3485 solution, with embedded protection circuits such as power supply isolation, ADI magnetical isolation, and TVS diode, etc.
It is easy to control the 2-channel RS485 for auto transceiving via SPI interface. Due to its fast communication, stability, reliability, and safety, it is an ideal choice for fields like industrial automation.
PIN | RASPBERRY PI (BCM) | DESCRIPTION |
VCC | 5V | 3.3V/5V power supply |
GND | GND | Ground |
SCK | P21 (SPI1 SCLK) | SPI clock input |
MOSI | P20 (SPI1 MOSI) | SPI data input |
MISO | P19 (SPI1 MISO) | SPI data output |
CS | P18 (SPI1 CS) | SPI chip select |
IRQ | P24 | Interrupt output |
EN1 | P27 | Channel 1 TX/RX enable: high for TX, low for RX |
EN2 | P22 | Channel 2 TX/RX enable: high for TX, low for RX |
Weight: 0.029 kg
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