StuffAndyMakes

typedef struct {
    uint8_t device;
    uint8_t command;
    uint32_t value;
    uint64_t serial;
    uint8_t ack;
} Command;

void SenderApplication::didReceiveGoodPacket(SerialPacket *p) {
  Serial.println("Got good packet!");

StuffAndyMakes

// pin defines
#define A 12
#define B 11
#define C 10
#define D 9
#define E 8

#define PIN_COUNT 5

#define PIN_CONFIG 0

StuffAndyMakes

String printBigBinary( uint32_t n, int spacing ) {
  int bitPosition = sizeof(n) * 8 - 1;
  String bits = "";
  while (bitPosition >= 0) {
    bits += (n & (1UL<<bitPosition)) == (1UL<<bitPosition) ? "1" : "0";
    if (bitPosition % spacing == 0) {
      bits += " ";
    }
    bitPosition--;
  }

StuffAndyMakes

/*
 *  Chase16LEDs.ino
 *  Description: Quick, down-n-dirty demo of Charlieplexing LEDs on an Arduino
 *  http://StuffAndyMakes.com
 */

#define A 12
#define B 11
#define C 10
#define D 9

StuffAndyMakes

#import <Foundation/Foundation.h>
#import <CoreLocation/CoreLocation.h>

@interface iBeaconSample : NSObject <CLLocationManagerDelegate>

@property (strong, nonatomic) CLBeaconRegion *beaconRegion;
@property (strong, nonatomic) CLLocationManager *locationManager;

- (void)initRegion;

StuffAndyMakes

#import "iBeaconSample.h"

@implementation iBeaconSample

// your other code goes here, maybe...

- (void)initRegion {

  // Set a proximityUUID
  // On a Mac in the Terminal, you can use the uuidgen command to get a UUID

StuffAndyMakes

#include <Servo.h> 

#define SERVO_PIN 9
#define SPEED_POT 14

Servo fitBitShaker;
 
void setup() {
  fitBitShaker.attach( SERVO_PIN );
  pinMode( SPEED_POT, INPUT );

StuffAndyMakes

device.on( "lightChanged", function( json ) {

    // Set URL to your web service
    local url = "http://somedomain.com/api/for/ipotti";
 
    // Set Content-Type header to json
    local headers = { "Content-Type": "application/json" };
 
    // encode data and log
    local body = http.jsonencode( json );

StuffAndyMakes

// iPotti Number 2 - read value on ADC (ambient light sensor) to see if potti is in use

const SLEEP_DURATION = 5;
// nextReport counts up to FORCE_REPORT_COUNT and reports to server regardless of sensor reading
// to le the server know the device is still alive, then counter resets and starts again
const FORCE_REPORT_COUNT = 13; // about every two minutes
const LIGHT_CHANGE_THRESHOLD = 2000;

function readLighting() {
    local adcValue = hardware.pin9.read();

StuffAndyMakes

#define A 12
#define B 11
#define C 10
#define D 9

#define LED_COUNT 12
#define DDR_BYTE 0
#define PORT_BYTE 1

byte matrix[LED_COUNT][2] = {