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For me one of the nice features of the MBR3 chips is the I2C bus. This allows you to read the status of the switches from a microcontroller with just two wires. If you can spare a 3rd wire then you can also use the "host interrupt" feature to tell the microcontroller when something has changed with the state of the switches. This means that you can have a selection of debounced switches with status LEDs with the minimal of wiring and coding. The I2C bus can even be used to program the chip using ...
For my road test of the CapSense MBR3 I want to see how suitable these sensors are for a workshop environment. In my previous test I looked at different types of gloves, so for this test I am going to review different front panel materials and thicknesses. When I looked at what materials I had in the workshop I found the following: 2mm clear polystyrene 3mm polycarbonate 3mm acrylic 10mm acrylic I also found some toughened glass around the house in the form of a bathroom shelf 6mm and sc ...
I put up my first ever Road Test video on YouTube! Once I get I2C working (or give up), I'll do a write-up as an actual Road Test review. In the mean time, here are my first impressions and a few notes about the CapSense MBR3 eval kit! ...
For my road test of the CapSense MBR3 I want to see how suitable these sensors are for a workshop environment. For that reason I'm conducting two key tests. Firstly one using different types of gloves, and secondly one with different thicknesses of front panel.   Although I don't wear gloves for most of my workshop activity they are essential when welding or working with chemicals.   I configured the board so that each of the switches had a different sensitivity, the threshold was se ...

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