Waveshare 2-Channel Isolated RS485 Expansion HAT, Compatible with Raspberry Pi 5/4B/3B/Zero/Zero W/Zero 2W/Pico/Pico W/Pico WH, SC16IS752+SP3485 Solution with Multi Onboard Protection Circuits sold2022 it is small in size

it is small in size and won't take up too much space

heat-resistant for summer no more sticky marks (a top user complaint of other mounts)

so you wont have to worry about it coming loose during windy conditions

ensuring that the solenoid valve works without external influences

8R0941309C

Waveshare 2-Channel Isolated RS485 Expansion HAT, Compatible with Raspberry Pi 5/4B/3B/Zero/Zero W/Zero 2W/Pico/Pico W/Pico WH, SC16IS752+SP3485 Solution with Multi Onboard Protection Circuits sold2022 it is small in sizeWaveshare 2 Channel Isolated RS485 Expansion HAT, Compatible with Raspberry Pi 5 4B 3B Zero Zero W Zero 2W Pico Pico W Pico WH, SC16IS752+SP3485 Solution with Multi Onboard Protection Circuits Product Features Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards Adopts SC16IS752+SP3485 dual chip combination, converts SPI to RS485, data rate up to 921600bps Allows transceiving data manually or automatically, configured