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January 18, 2017 AT 11:00 am

Programmable Scalp Massager #WearableWednesday

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From David Held on Hackster.io:

Finally, I completed version 1 of my scalp massager. It consists of 15 programmable 12mm vibration motors mounted on to a BraiNet Placement Cap.

The vibration motors are soldered and hot glued onto an Adafruit JST-PH 2-Pin SMT Right Angle Breakout Board which is then connected to a JST extension cable and hot glued onto the Brainet Cap.

The heart of the massager is an Adafruit Metro Mini Arduino processor. The JST extension cable is wired to a protoboard and wired to the Metro Mini. All the ground cables are soldered to the ground rail and the positive (red) wires are mounted to the output pins. I ended up wiring the motors to pins 2-13 and used pins A0-A2 as output pins for a total of 15. By avoiding pins 0 and 1, I’m able to program the Metro Mini without conflict.

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Adafruit Metro Mini 328 – 5V 16MHz: METRO Mini is the culmination of years of playing with AVRs: we wanted to make a tiny, breadboard-friendly development board that is easy to use and is hacker friendly. Metro Mini can be programmed with the Arduino IDE (select ‘UNO’ in the boards dropdown)(read more)


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