Digital Distance Sensor 200cm - Pololu 4077

Index: PLL-19811 EAN: 5904422349073
Pololu brand module equipped with a distance sensor based on Lidar technology. The sensor has an operating range of up to 200 cm and is powered from 3 V to 5.5 V. It is equipped with one digital output that changes its state to low when an object is detected.
Digital Distance Sensor 200cm - Pololu 4077
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Digital lidar distance sensor - range:
Manufacturer: Pololu

Product description: Digital distance sensor 200 cm - Pololu 4077

Pololu brand module withdistance sensorbased onLidartechnology. The sensor has an operating range ofup to 200cm and is poweredfrom 3 V to 5.5 V. It is equipped with one digital output which changes its state to low when an object is detected. Itis not capable of measuring distances, it only reports the detection of an obstacle within 200 cm with an accuracy of1 mm. This sensor uses a short-range Lidar module toaccurately measurethe time it takes for the emitted pulses of eye-safe infrared light to reach the nearest object and be reflected back.

Application example

  • Alternative brake light sensor and photobeam
  • Non-contact sensor for robot collision or obstacle
  • A non-contact interface element to activate a device or process
  • Counter or timer for objects as they pass by
Czujnik odległości

Infrared light emitted by the sensor, recorded with a camera without IR filter.
Cyfrowy czujnik odległości

Digital distance sensor 200 cm.

Using the distance sensor

The board has 3 leads:VIN, GND and OUT.Pins are located on the board in the form of holes with a 2.54 mm pitch, with the possibility of solderinggoldpin connectors(not included). VIN pin should be provided with voltage from3V to 5.5V, GND is system ground pin (0V). OUT pin triggers low state (0 V) when an object is detected and high state (up to VIN level) when an object is not detected. TheredLEDalso lights up when an object is detected. The board also features an ENABLE pin that can be set low to put it into a low power state, which consumes about 0.4 mA of current. The ENABLE pin is pulled up to VIN by default.

There is a protective film on the sensor that must be removed before working with the module.

Jumper settings on the sensor module

The module is equipped with four surface mount configuration jumpers (4321) that define its operating modes. Various versions of Pololu sensors have jumpers set appropriately in the form of 0 Ω resistors. The resistors can be soldered out or bridges can be added to convert one version of the sensor to another. This sensor can be converted to any other version of irs17a according to the table below.

Ustawienie zworek w module
Pin and jumper layout of the distance sensor module.
Product Description Range max. Hysteresis Distribution Minimum update frequency Jumper settings (4321)
#4066 Digital output, 25 cm 25 cm 50 mm - 100 Hz 0000
#4067 Digital output, 50 cm 50 cm 50 mm - 100 Hz 0001
Digital output, 75 cm 75 cm 50 mm - 100 Hz 0010
#4069 Digital output, 100 cm 100 cm 50 mm - 100 Hz 0011
Digital output, any detection ~130 cm - - 100 Hz 0010
#4071 PWM output, max. 130 cm ~130 cm - 1 mm (- 0.5 µs) 100 Hz (max. 110 Hz) 0101
Digital output, 125 cm 125 cm 50 mm - 30 Hz 1000
Digital output, 150 cm 150 cm 50 mm - 30 Hz 1001
Digital output, 175 cm 175 cm 50 mm - 30 Hz 1010
#4077 Digital output, 200 cm 200 cm 50 mm - 30 Hz 1011
Digital output, any detection ~300 cm - - 30 Hz 1100
#4079 PWM output, max. 300 cm ~300 cm - 2 mm (= 0.5 µs) 30 Hz (max. 33 Hz) 1101
Czujnik Pololu vs SharpComparison of Pololu and Sharp sensors.

Comparison with Sharp sensor

The Pololu distance sensor modules have the sameshape and leadsas theSharpsensors. They are available in the same and larger sensing ranges. This means that they can be usedinterchangeably. The sensors in the newer Pololu devices aremuch thinnerthan the Sharp modules, so the zero point is about 7mm closer to the board and the beam angle is wider in the newer devices.

Pololu distance sensor specifications

  • Supply voltage: 3 V to 5.5 V
  • Current consumption: 30 mA (typical) when switched on, 0.4 mA when switched off
  • Maximum range: 200 cm
  • Minimum range: up to 1 mm
  • Minimum update rate: 100 Hz (10 ms period)
  • Field of View (FOV): typically 15°, may vary depending on object reflection and environmental conditions
  • Output Type: digital signal (low when object detected, high otherwise)
  • Dimensions: 21.6 x 8.9 x 3.5 mm
  • Weight: 0.4 g
>Schemat sygnału wyjściowegoOutput signal schematic.
Voltage to 3.0 V
Voltage from 5.5 V
Interface Digital I / O
Sensor - distance to 200 cm
Sensor - distance from 0.1 cm
Package width 7.8 cm
Package height 8.6 cm
Package depth 0.2 cm
Package weight 0.002 kg

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