This circuit bending hack takes advantage of ... All of those caterpillar feet are arranged in a keyboard matrix to detect button presses. After pulling out the oscilloscope for a bit of reverse ...

Here’s how: Next, we’ll need the aforementioned Raspberry Pi. If the Matrix is the ears of our DIY Echo, the Pi is the brains. It’ll supply the processing power to run Amazon’s Alexa Voice ...

The latest addition to the popular CapSense Express capacitive touch-sensing controller line, the CY8CMBR2016 device enables designers to implement capacitive matrix button systems up to 4 x 4 ...