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  • Pololu Pololu IR Digital Distance Sensor
  • Pololu Pololu IR Digital Distance Sensor
  • Pololu Pololu IR Digital Distance Sensor
  • Pololu Pololu IR Digital Distance Sensor

Pololu IR Digital Distance Sensor

$11.99
Excl. tax

Pololu IR Distance Sensor 1134

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This small digital distance sensor detects objects between 2 cm and 10 cm (0.8″ and 4″) away. With its quick response time, small size, and low current draw, this sensor is a good choice for non-contact object detection.

Using the sensor

The Pololu carrier board lets you interface with the GP2Y0D805, GP2Y0D810, or GP2Y0D815 sensor using a three-pin 0.1″ connector, such as the included 3×1 straight male header strip and 3×1 right-angle male header strip. You can connect to these pins with a servo cable or with a custom-made cable using pre-crimped wires and a 3×1 crimp connector housing.

The square pad is ground, the middle pad is VIN (2.7 – 6.2 V), and the remaining pad is the sensor output, OUT. Depending on your power source, you might notice an increase in performance by placing a large (>10 uF) capacitor between power and ground somewhere near the sensor.

A red LED on the back of the PCB lights when the output is low, indicating that the sensor is detecting something. With the LED in the circuit, the low output signal will be around 1 V. If so desired, you can disable this LED by cutting the trace between it and the OUT pin where it is marked on the silkscreen or by desoldering the LED, in which case the low voltage will be below 0.6 V.

The GP2Y0D805, GP2Y0D810, and GP2Y0D815 have an optional enable input that can be used to put the sensor into low-power mode. The Pololu carrier board connects this input to Vcc so that the sensor is always enabled, but you can solder a wire to the pad labeled “enable” on the back of the PCB if you want control over this input. Note that you will need to cut the trace that connects the enable line to Vcc on the PCB if you want to be able to disable the sensor. This trace is marked on the silkscreen, and there is a caret that indicates where we suggest you make the cut.

The carrier board has a 0.086″ mounting hole for a #2 or M2 screw. You can make the module more compact by cutting or grinding off this portion of the PCB if you do not need the mounting hole.

Feature summary

  • Operating voltage: 2.7 V to 6.2 V
  • Average current consumption: 5 mA (typical)
  • Distance measuring range
    • GP2Y0D805Z0F: 0.5 cm to 5 cm (0.2″ to 2″)
    • GP2Y0D810Z0F: 2 cm to 10 cm (0.8″ to 4″)
    • GP2Y0D815Z0F: 0.5 cm to 5 cm (0.2″ to 6″)
  • Output type: digital signal (low when detecting an object, high otherwise)
  • Steady state update period: 2.56 ms typical (3.77 ms max)
  • Enable pad can optionally be used to disable the emitter and save power (this feature requires you to cut a trace first)
  • Size without header pins: 21.6 mm × 8.9 mm × 10.4 mm (0.85″ × 0.35″ × 0.41″)
  • Weight without header pins: 1.5 g (0.05 oz)
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