crcastle

#include <SPI.h>
#include <RF24Network.h>
#include <RF24.h>
#include <ESP8266WiFi.h>

const char* ssid     = "ssid";
const char* password = "password";

const char* host = "coolapp.herokuapp.com";

crcastle

#include <SPI.h>
#include <nRF24L01.h>
#include <RF24.h>

#define DEVICE_ID 2
#define CHANNEL 1 //MAX 127

// SPI pin configuration figured out from here:
// http://d.av.id.au/blog/esp8266-hardware-spi-hspi-general-info-and-pinout/
RF24 radio(2, 15);    // Set up nRF24L01 radio on SPI bus plus pins 2 for CE and 15 for CSN

ajfisher

Building an ultrasonic sensor backpack

Note: This is a bit of a scratch to see what's involved in getting the ping sensor to work as an I2C backpack.

Acknowledgements

• Jeff Hoeffs [http://github.com/soundanalogous](Sound Analogous) for guidance on using interrupts to do the time measurement on the ATTINY and [https://gist.github.com/soundanalogous/e94c6ebbc457b98b8383](providing a good example to work from)
• [http://github.com/rwaldron](Rick Waldron) for support of the backpack idea and keeping me moving. ;)

Dependencies.

tkojitu

struct Control {
  int pin;
};

void ctrlPinMode(void* control, int mode) {
  Control* ctrl = (Control*)control;
  pinMode(ctrl->pin, mode);
}

int ctrlDigitalRead(void* control) {

jimsynz

const int redPin = 11;
const int greenPin = 10;
const int bluePin = 9;

void setup() {
  // Start off with the LED off.
  setColourRgb(0,0,0);
}

void loop() {