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Single LED: 5mm x 5mm / 0
Since it's a 3
A bit of soldering is required to attach the two matrices onto the backpack but its very easy to do and only takes about 10 minutes
and lets you fly
Comes with a range of horns as seen above
Pulse Sensor Amped robotics Single LED: 5mm x 5mmPulse Sensor Amped is a greatly improved version of the original Pulse Sensor, a plug and play heart rate sensor for Arduino and Arduino compatibles. It can be used by students, artists, athletes, makers, and game & mobile developers who want to easily incorporate live heart rate data into their projects. Pulse Sensor Amped adds amplification and noise cancellation circuitry to the hardware. It's noticeably faster and easier to get reliable pulse
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