I'm trying to send and receive ir via an Arduino, this is my code + schematic #include <SoftwareSerial.h> #define IR_RX 8 #define IR_TX 9 #define IR_CARRIER_PIN 3 SoftwareSerial IR(IR_RX, IR_TX); void setup() { IR.begin(4800); tone(IR_CARRIER_PIN, 30000); Serial.begin(19200); Serial.pri…

IR serial connection

gfvalvo November 13, 2017, 2:33pm 4

LuluTheCoffeeAddict:
We've scoped pin 3. It shows a 30khz square wave. We've scoped pin 9. It shows serial data being transmitted.

What does Pin 8 show?

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