Dual-Channel RS485 Expansion HAT for Raspberry Pi 5 / 4B

Dual-Channel RS485 Expansion HAT for Raspberry Pi 5 / 4B — DFRobot — DFR0824

Two-channel RS485 HAT for Raspberry Pi 5 and 4B with electrical isolation and surge/lightning protection. Supports multi-drop bus wiring for industrial IoT and remote monitoring applications.

Pinout

Logical pinout · physical placement not verified
DUAL-CHANNEL RS485 EXPRS485 channels (2)RPi 40-pin HATIsolated powerGNDSurgelightning protection
  • RS485 channels (2)
    Type · Signal
  • Isolated powerGND
    Type · Power, Ground
  • RPi 40-pin HAT
    Type · Signal
  • Surgelightning protection
    Type · Unknown

Start wiring

Shield

Verify supply voltage and logic levels before powering up.

Module pins: Isolated power/GND, RS485 channels (2), RPi 40-pin HAT. Schematik maps them to your board in the app.

Add-ons

269 other options

About 270 add-ons across Pi HATs, Arduino shields, and FeatherWings. The same function — motor control, PoE, display — usually ships once per host connector family. Get the host board right first.

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