2DU6 6mm x 6mm Silicon Photo Sensor – Solar Cell Light Sensor

The 2DU6 Silicon Photo Sensor is a 6mm × 6mm silicon photovoltaic light sensor that generates a small output voltage directly from incident light — functioning like a miniature solar cell that produces electrical energy from light rather than requiring an external power supply or bias voltage to operate, which makes it fundamentally different from the BPW21, BPW34, and PD638C photodiodes in the range that require reverse bias and an external transimpedance amplifier circuit to produce a readable output signal.

The 2du6 Silicon Photo Sensor’s photovoltaic output can be read directly by a microcontroller’s ADC pin or used to detect the presence and relative intensity of light without any additional signal conditioning circuitry in basic sensing applications.The 2du6 Solar cell light sensor has a spectral response range of approximately 400nm to 1100nm — covering the full visible light spectrum from violet through red and extending into the near-infrared range — giving it sensitivity across all common indoor and outdoor lighting sources including sunlight, white LEDs, incandescent bulbs, and near-IR sources.

The 6×6mm active sensing area is significantly larger than typical small photodiodes, allowing the 2du6 photo sensor to collect more light and produce a stronger output signal under the same illumination conditions, improving detection sensitivity for low-light environment builds. Available on StemVolt. This 2du6 silicon photovoltaic light sensor is ideal for Arduino ESP32 ambient light detection solar energy harvesting light-powered sensor and STEM project photovoltaic light sensing.

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Features:

• Photovoltaic output — generates voltage from light without external power supply
• 6×6mm large active area — more light collection than small photodiodes
• 400-1100nm spectrum — sensitive across full visible and near-IR range
• No amplifier needed — output readable directly by microcontroller ADC pin
• 2-pin through-hole — simple anode cathode breadboard PCB connection

Technical Specifications:

 Applications:

• Builds light-powered sensor circuit with 2du6 Solar cell sensor
• For 2du6 Silicon Photo Sensor photovoltaic light detection demo
• Solar energy harvesting experiment using 2du6 6mm x 6mm photo sensor
• 2du6 photo sensor for photovoltaic vs photoconductive circuit comparison lab

Package Include:

• 1 x 2DU6 6mm x 6mm Silicon Photo Sensor – Solar Cell Light Sensor