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Halftone depot sheet — citrus ink, brutal tile edges, metro rhythm.
an LED must be used with a resistor to limit or 'choke' the amount of current flowing through the LED - otherwise the LED could burn out
Dynamic range is determined by the resistors (typically in the range of 10K to 100K) and power supply values
Typical operating distance in NFCIP-1 mode up to 50 mm depending on antenna size
You just found the perfect I2C sensor
BMP180 Barometric Pressure Sensor altimeter an LED must be usedMeasuring the absolute pressure of the environment using a digital barometer such as this has some interesting applications. By converting the pressure measured into altitude, you have a reliable sensor for determining the height of your robot, plane or projectile! Using a sensor as capable as the BMP180 you can achieve accuracy of 1m, with noise of only 17cm in ultra high resolution noise. The device will operate at only 0. 3uA meaning low current
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