BH1745 Luminance and Colour Sensor Breakout

Description

This type of sensor is the same as you'd find in phones, tablets, and laptops where they're used to detect ambient light temperature and adjust the colour temperature of the display accordingly.

The BH1745 Luminance and Colour Sensor Breakout has an I2C interface and is 3.3V or 5V compatible. Like our other breakouts, it is designed so that you can solder a piece of right-angle header onto it and then pop it straight onto the bottom left 5 pins on your Raspberry Pi's GPIO header (pins 1, 3, 5, 6, 9).

It's also compatible with Breakout Garden, where using breakouts is as easy just popping it into one of the six slots and starting to grow your project, create, and code.

Features

• BH1745 luminance and colour sensor
• Two white illumination LEDs
• Red, green, blue, and luminance measurements/li>
• 0.005 to 40,000 lux detection range
• 50/60Hz light noise rejection
• IR cut filter
• 16 bit data output
• 3.3V or 5V compatible
• 0.005 to 40,000 lux detection range
• I2C interface, with address select via ADDR cuttable trace (0x38 or 0x39)
• Reverse polarity protection
• Raspberry Pi-compatible pinout (pins 1, 3, 5, 7, 9)
• Compatible with Raspberry Pi 3B+, 3, 2, B+, A+, Zero, and Zero W
• Python library
• Datasheet

Kit includes

• BH1745 Luminance and Colour Sensor Breakout
• 1x5 male header
• 1x5 female right angle header

Software

Pimoroni have put together a Python library that you can use to read data from your BH1745 Luminance and Colour Sensor Breakout, and an easy one-line installer to install everything.

Our software does not support Raspbian Wheezy.

Notes

• The trace between the solder pads (marked ADDR) can be cut (carefully with a craft knife) to change the I2C address from the default of 0x38 to 0x39, meaning that you can use up to two sensors on the same Raspberry Pi or Arduino. If cut, the pads can be bridged again by soldering to reset the address to 0x38.
• Dimensions: 19x19x3mm

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