Laser Ranging Sensor UART (4-400cm)

Laser Ranging Sensor UART (4-400cm) — DFRobot — SEN0491

Laser distance sensor (4–400cm, ±2cm) with UART output, 6–36V supply, IP67 rated. Three measurement modes; configurable distance alarm output line; 20Hz default update rate.

Pinout

Logical pinout · physical placement not verified
LASER RANGING SENSOR UVCCGNDRXALARMTX
  • VCC1
    Type · Power
  • RX2
    Type · UART
  • TX3
    Type · UART
  • GND4
    Type · Ground
  • ALARM5
    Type · Signal

Start wiring

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

Pimoroni describes its VL53L1X breakout as a compact time-of-flight distance sensor with I²C address 0x29, 4–400 cm range, 27° field of v…

Module pins: VCC, GND, RX, TX, ALARM. Schematik maps them to your board in the app.

Distance sensors

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