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adds all output pins

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This commit is contained in:
Brendan Haines 2017-02-10 23:54:45 -07:00
parent af4b6504a8
commit 2999af7df3
1 changed files with 20 additions and 3 deletions
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23
Kiln_Controller.ino
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@ -12,6 +12,9 @@ MAX6675 t0(CLK0, CS0, MISO0);
Adafruit_MCP23017 mcp;
void setup() {
// Onboard LED
pinMode(2,OUTPUT);
// I2C
Wire.pins(4, 5);
@ -24,10 +27,20 @@ void setup() {
// MCP23017 GPIO expander
mcp.begin();
mcp.pinMode(8, OUTPUT);
mcp.digitalWrite(8, HIGH);
mcp.pinMode(0, OUTPUT);
mcp.pinMode(1, OUTPUT);
mcp.pinMode(2, OUTPUT);
mcp.pinMode(3, OUTPUT);
mcp.pinMode(4, OUTPUT);
mcp.digitalWrite(0, HIGH);
mcp.digitalWrite(1, HIGH);
mcp.digitalWrite(2, HIGH);
mcp.digitalWrite(3, HIGH);
delay(100);
mcp.digitalWrite(8, LOW);
mcp.digitalWrite(0, LOW);
mcp.digitalWrite(1, LOW);
mcp.digitalWrite(2, LOW);
mcp.digitalWrite(3, LOW);
// Clear LCD
lcd.setCursor(0, 0);
@ -41,5 +54,9 @@ void loop() {
lcd.print("F ");
lcd.print(t0.readCelsius());
lcd.print("C");
digitalWrite(2, LOW);
delay(100);
digitalWrite(2, HIGH);
delay(1000);
}