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Bluetooth wireless connection
Multiple Button Pattern Detection
If you want to connect a bunch of sensors without worrying about I2C address collisions
) 20mm coin cells are popular as they are used in keychain lights
SCL (I2C clock)
ALS-PT19 Analog Light Sensor 3A current sensor Bluetooth wireless connectionThe LX1972 is a low cost silicon light sensor with spectral response that closely emulates the human eye. The patented circuit produces a maximum spectral response of 5% nm, less than IR with a response, maximum response, above nm. The photographic sensor is an array of PIN diodes with a linear, precise and highly repeatable current transfer function. High gain current mirrors on the chip multiply the photographic current of the PIN diode at a
