Hey guys, I am using Arduino IDE 1.8.16 with no external libraries nor did I put in any extra libraries yet my simple code gave me an error. Code: void setup() { // put your setup code here, to run once: DDRD = 0x40; } void loop() { // put your main code here, to run repeatedly: PORTD = 0x40…

[image] thecrazyballoon: How do I change the settings to make it work for an ATmega328P on an Arduino UNO board? In the IDE: [image]

'DDRD' was not declared in this scope

6v6gt October 30, 2021, 12:04pm 8

In the IDE:

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