littleBits Output Bits - Number

Part of the series littleBits Output Bits.

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The number Bit displays information that it receives from the Bits before it. It's a great way to measure the input from sensors or count things, like the score in a game.

How It Works

This updated number Bit has 2 main modes and 2 settings under each mode. Use the 4-position switch to choose between the modes.

Read mode has 2 settings: values and volts. The number Bit reads the voltage on the input bitSnap, then calculates and displays either a value between 00-99, or a voltage between 0.0 - 5.0. The voltage on the output bitSnap is a filtered PWM value that equals the voltage on the input bitSnap.

Count mode has 2 settings: up (from 00-99) and down (from 99-00). A step to the next number happens on input low-to-high transitions. The voltage on the output bitSnap is a filtered PWM value that is proportional to the number on display. For example, if the displayed number is 50, then the output voltage is 50% of 5V, or 2.5V.

The RESET bitSnap can be used in this mode to reset the number on display. In the "up" setting, the display resets to "00". In the "down" setting, the display resets to "99". The RESET bitSnap resets the number on low-to-high transitions.