Light Sensor Unit with Photo-resistance - The Pi Hut
Light Sensor Unit with Photo-resistance - The Pi Hut
Light Sensor Unit with Photo-resistance - The Pi Hut
Light Sensor Unit with Photo-resistance - The Pi Hut

Light Sensor Unit with Photo-resistance

M5StackSKU: U021
£3.30
incl. VAT
excl. VAT
Only 7 units left

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This Light Sensor is a light-intensity sensor unit with an adjustable photo-resistor.

A photo-resistor is a light-controlled variable resistor. The resistance of a photo-resistor decreases with increasing incident light intensity and vice versa. The sensor exhibits photoconductivity which makes it possible to detect the light varies based on voltage and use an AD (Analog to digital converter) to convert the digital data.

We added some extra work to strengthen the circuit, a Dual Differential Comparators LM393, compares the differential voltage between the photo-resistor and the varistor. It could offer a larger and more accurate range of light intensity.

Features

  • 10K adjustable resistor
  • Software Development Platform: Arduino, UIFlow (Blocky,Python)
  • Two Lego-compatible holes

Specifications

Resources Parameter
Adjustable resistance 10K
Net weight 4g
Gross weight 17g
Product Size 32x24x8xmm
Package Size 67x53x12mm

Resources

Package Contents

  • 1x Light Sensor Unit
  • 1x Grove Cable

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Light Sensor Unit with Photo-resistance - The Pi Hut
Light Sensor Unit with Photo-resistance - The Pi Hut
Light Sensor Unit with Photo-resistance - The Pi Hut
Light Sensor Unit with Photo-resistance - The Pi Hut