RS485 Photosynthetically Active Radiation (PAR) Sensor (400-700nm)

RS485 Photosynthetically Active Radiation (PAR) Sensor (400-700nm) — DFRobot — SEN0641

PAR sensor measuring photosynthetically active radiation (400–700nm) for plant growth monitoring. Communicates via RS485 Modbus-RTU, accepts 5–30V supply, and carries an IP67 rating for outdoor and greenhouse use.

Pinout

Logical pinout · physical placement not verified
RS485 PHOTOSYNTHETICALVCC485-AGND485-B
  • VCC
    Type · Power
  • GND
    Type · Ground
  • 485-A
    Type · Signal
  • 485-B
    Type · Signal

Start wiring

Single data line · Analog · I2C · 3.3 – 5 V · Breakout

Verify supply voltage and logic levels before powering up.

Module pins: VCC, GND, 485-A, 485-B. Schematik maps them to your board in the app.

Weather & environment

19 other options

Analog and digital anemometers, a tipping-bucket rain gauge, RS485 solar radiation and PAR probes, the AS3935 lightning detector, an airspeed sensor and multi-sensor HATs for outdoor weather monitoring.

View all 19

Related groups

4 groups