Published November 29, 2017

PCB Magnetic Coil Robot "SHAKEY"

I built an electromagnetic coil on the PCB and made a simple robot.

IntermediateShowcase (no instructions)1,125

Story

It is interesting if you can move various things easily with electromagnetism without using a motor or servomotor. In this prototype, a coil is formed on the PCB to generate electromagnetic.

In order to obtain a sufficient number of turns, the PCB substrate has four layers.

4 layer PWB pattern

A rare earth magnet is attached to the object to be moved by the coil. A motor driver is used for the coil drive circuit. The current flowing through the coil functions as a H-Bridge motor driver in order to change the direction alternately.

All 3D print data is on Thingiverse.

Crowd campaign is on indiegogo. (All design information is on this page, you do not need buy the product from there.)

These are electric parts I used this time.

Schematics

Code

move head program

// SETUP =================
#define aA 440 // frequency in Hz
#define bA 880 // frequency in Hz
void setup() {
  pinMode(16, OUTPUT);   // PWB coil Enable (pin 16(=A2))
  pinMode(17, OUTPUT);   // PWB coil Phase (pin 17(=A3))
}
// LOOP ==================
void magOn(int NS, int tt) { digitalWrite(16, 1); digitalWrite(17, NS); delay(tt); digitalWrite(16, 0); }
void loop() {
   magOn(1, 80);        // swing head R
   tone(A5, aA, 20);    // short sound (A5 pin is for buzz)
   delay(150;);
   magOn(0, 80);        // swing head L
   tone(A5, bA, 20);    // short sound
   delay(150);
}

Credits

Masahiro Mizuno

20 projects • 32 followers

Chief Prototypist. 20+ years R&D experience in wide range of technology.

PCB Magnetic Coil Robot "SHAKEY"

Story

Custom parts and enclosures

PCB gerber data

Schematics

Schematic

Code

move head program

Credits

Masahiro Mizuno

Comments

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PCB Magnetic Coil Robot "SHAKEY"

PCB Magnetic Coil Robot "SHAKEY"

Story

Custom parts and enclosures

PCB gerber data

Schematics

Schematic

Code

move head program

Credits

Masahiro Mizuno

Comments

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