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  1. Parts
  2. /Sensors
  3. /Environmental Sensors

URM12 - Ultra Long Range Ultrasonic Distance Sensor (70~1500cm, RS485)

OverviewPinoutWiringRelated groups
URM12 - Ultra Long Range Ultrasonic Distance Sensor (70~1500cm, RS485) — DFRobot — SEN0310

Ultrasonic sensor for distance measurement and obstacle avoidance. Features 1500cm range, RS485 interface, Modbus-RTU protocol, and IP65 rating.

Offers

  • DFRobot

Offers

  • DFRobot

Pinout

  • Black (thick line)Official table 2 row 1

    Shielded cable

    Type · pin
  • WhiteOfficial table 2 row 2

    VCC

    Type · power
  • Black (thin line)Official table 2 row 3

    GND

    Type · ground
  • OrangeOfficial table 2 row 4

    RS485-A

    Type · uart
  • BrownOfficial table 2 row 5

    RS485-B

    Type · uart
PinPositionTypeFunctionVoltage
Black (thick line)Official table 2 row 1pinShielded cable
WhiteOfficial table 2 row 2powerVCC
Black (thin line)Official table 2 row 3groundGND
OrangeOfficial table 2 row 4uartRS485-A
Brown

Start wiring

UART

Confirm the data interface matches your host board.

Module pins: White, Black (thin line), Orange, Brown. Schematik maps them to your board in the app.

Related groups

4 groups
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Air quality

Choose between MQ gas sensors, VOC/eCO2 indoor-air sensors, true CO2 modules and particulate sensors without treating every air-quality breakout as the same detector.

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Temp and humidity

DHT11, DHT22/AM2302, and DHT20/AHT20 sensors solve the same broad job, but only some are acceptable substitutes in the same circuit.

Sensors · Environment sensors · 19 parts

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MIKROE DHT22 2 Click visual preview
MIKROE DHT22 Click visual preview

Environment sensors

Choose between temperature-only, temperature/humidity, pressure and indoor air-quality modules without treating every environmental sensor as a drop-in substitute.

Sensors · Environment sensors · 8 parts

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TCS3200 Color Sensor visual preview
Adafruit APDS9999 Proximity, Lux Light & Color Sensor visual preview
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Light and colour

Photoresistors and color sensors both respond to light, but they expose very different signals and are not sensible drop-in substitutes.

Sensors · Light & color sensors · 6 parts

Parts tray full · 5 max · remove a part to add another
Official table 2 row 5
uart
RS485-B