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Four Button Board with Analog Output - 5 Pack
$7.95
SKU 61013667
If you want to quickly add some buttons to a prototype or project, these four button boards with analog output from PMD Way will be very useful.
Each board is configured with four tactile buttons, each of which when pressed caused a different voltage level to be output from the board.
Thus you can detect the presses of four buttons with one ADC (analog to digital converter) input on your development board, microcontroller, etc.
For example - Arduino: connect 5V and GND to button board, and board output pin to analog input. Varying value results from analogRead() function when different buttons are pressed.
Boards are sold in packs of five, and you get free delivery worldwide.
Approximate ADC detection ranges:
Schematic:
