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Amazon.com: MPR121 Capacitive Touch Keypad Shield Module Sensitive Key Keyboard 3.3V Logic for Arduino DIY Electronic DIY Kit PCB Board: Industrial & Scientific
GitHub - amazon-archives/aws-sdk-arduino: An experimental SDK for working with AWS Services on Arduino-compatible devices. Currently has support for DynamoDB and Kinesis.
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Amazon.com: 1x3 Matrix Array 3Key Button Membrane Switch Keypad Keyboard Control Panel DIY Kit for Arduino 13 Keys: Industrial & Scientific
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Amazon.com: 16 Keys Matrix Keypad 4 X 4 Membrane Keyboard Module Array Switch for Arduino UNO R3: Computers & Accessories
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