docslab example

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#include <Wire.h>
#include "HT_SH1107Wire.h"
SH1107Wire  display(0x3c, 500000, SDA, SCL, GEOMETRY_128_64, GPIO10); // addr, freq, sda, scl, resolution, rst
void VextON(void)
{
  pinMode(Vext,OUTPUT);
  digitalWrite(Vext, LOW);
}
void VextOFF(void) //Vext default OFF
{
  pinMode(Vext,OUTPUT);
  digitalWrite(Vext, HIGH);
 
 
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#include <Wire.h>
#include "HT_SH1107Wire.h"
SH1107Wire  display(0x3c, 500000, SDA, SCL, GEOMETRY_128_64, GPIO10); // addr, freq, sda, scl, resolution, rst
void drawLines() {
  for (int16_t i=0; i<display.getWidth(); i+=4) {
    display.drawLine(0, 0, i, display.getHeight()-1);
    display.display();
    delay(10);
  }
  for (int16_t i=0; i<display.getHeight(); i+=4) {
    display.drawLine(0, 0, display.getWidth()-1, i);
    display.display();
    delay(10);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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If you encounter problems, hit the "Interrupt" button to interrupt the current process. Failing that, hit the "Teardown sandbox" button, then run it again. Note that "Teardown sandbox" destroys the environment that you were using and allows other users to take a turn. You may need to wait a few minutes before another board becomes available.

Now that we have experience writing to the screen, let's learn to send data on the Helium network. Consider the following code simplified from an example in the Heltec Automation repository:

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/* OTAA parameters */
uint8_t devEui[] = { FILL_ME_IN };
uint8_t appEui[] = { FILL_ME_IN };
uint8_t appKey[] = { FILL_ME_IN };
 
 
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