Hi UKHeliBob,
I tried it like this:
int val = analogRead(A2);
if(val>1000)
//if (Serial.available() > 0)
{
//char input = Serial.read();
char input = {'A'};
if (input != '\r') // not a carriage return
{
sendbuffer[sendlength] = input;
sendlength++;
}
I press a button and want to send an A.
I also tried Robin2´s idea to. If I use an char it does work. But if I use an int it is working a bit ![]()
For "Hello World" it´s just sending [He].
Edit: With a long I can get 4 characters ![]()