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The shield measures approximately 48
It manages the pull-ups and scanning automatically and stores keypress/release events in a 10-element FIFO queue
Science has shown no one can resist pressing its shiny surface and saying "beep
USB native support with bootloader and serial port debugging
Ultra-bright 8x8 blue matrix
Adafruit TPS65131 Split Power Supply Boost Converter touch screen with speaker The shield measures approximately 48Need those tricky split rail voltages for your vintage electronics? The Adafruit TPS65131 Split Rail Boost Converter generates both positive and negative voltage rails from a single 3 5V input. This makes it great for mimicking or replacing a transformer based power supply or something that needs negative bias. We kept the design compact, and it even has adjustable output pots, so you can tune the voltages from about +6~+15VDC and 6~ 15VDC. Perfect
