Electro-Fashion, Light Sensor

This sewable board allows LEDs to be turned on automatically when it is dark. When turned on, the connected LEDs will be off in day light and on in the dark.

This board allows LEDs to be turned on automatically when it is dark. On one side of the board is the coin cell holder, which takes a CR2032 coin cell as well as a small on off slide switch. On the other side of the board is the light sensor. This design means that it is possible to cut a small hole in the front of the product for the light sensor to detect the light level, but be able to get to the back of the board to change the battery and turn the board off. When turned off the any connected LEDs will be off. When turned on the connected LEDs will be off in day light but come on in the dark. There are two sets of pads that can be used to connect LED to the board.

The board measures 44 x 20 x 4.5 mm (excluding the light sensor, which is 2mm high).

A PDF tutorial explaining how to use this board can be downloaded

Data Sheet