I have tried connecting both boards using both cables (disconnecting power between tries). I also confirmed I am using the correct I2C address.
Verbose Output:
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attached due to charecter limit
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#include "Adafruit_NeoKey_1x4.h"
#include "seesaw_neopixel.h"
Adafruit_NeoKey_1x4 neokey; // Create the NeoKey object
void setup() {
Serial.begin(115200);
while (! Serial) delay(10);
if (! neokey.begin(0x30)) { // begin with I2C address, default is 0x30
Serial.println("Could not start NeoKey, check wiring?");
while(1) delay(10);
}
Serial.println("NeoKey started!");
// Pulse all the LEDs on to show we're working
for (uint16_t i=0; i<neokey.pixels.numPixels(); i++) {
neokey.pixels.setPixelColor(i, 0x808080); // make each LED white
neokey.pixels.show();
delay(50);
}
for (uint16_t i=0; i<neokey.pixels.numPixels(); i++) {
neokey.pixels.setPixelColor(i, 0x000000);
neokey.pixels.show();
delay(50);
}
}
void loop() {
uint8_t buttons = neokey.read();
// Check each button, if pressed, light the matching neopixel
if (buttons & (1<<0)) {
Serial.println("Button A");
neokey.pixels.setPixelColor(0, 0xFF0000); // red
} else {
neokey.pixels.setPixelColor(0, 0);
}
if (buttons & (1<<1)) {
Serial.println("Button B");
neokey.pixels.setPixelColor(1, 0xFFFF00); // yellow
} else {
neokey.pixels.setPixelColor(1, 0);
}
if (buttons & (1<<2)) {
Serial.println("Button C");
neokey.pixels.setPixelColor(2, 0x00FF00); // green
} else {
neokey.pixels.setPixelColor(2, 0);
}
if (buttons & (1<<3)) {
Serial.println("Button D");
neokey.pixels.setPixelColor(3, 0x00FFFF); // blue
} else {
neokey.pixels.setPixelColor(3, 0);
}
neokey.pixels.show();
delay(10); // don't print too fast
}
/******************************************/
// Input a value 0 to 255 to get a color value.
// The colors are a transition r - g - b - back to r.
uint32_t Wheel(byte WheelPos) {
if(WheelPos < 85) {
return seesaw_NeoPixel::Color(WheelPos * 3, 255 - WheelPos * 3, 0);
} else if(WheelPos < 170) {
WheelPos -= 85;
return seesaw_NeoPixel::Color(255 - WheelPos * 3, 0, WheelPos * 3);
} else {
WheelPos -= 170;
return seesaw_NeoPixel::Color(0, WheelPos * 3, 255 - WheelPos * 3);
}
return 0;
}