psbpsb

#include "qrcode.h" void setup() { Serial.begin(115200); // Start time uint32_t dt = millis(); // Create the QR code QRCode qrcode; uint8_t qrcodeData[qrcode_getBufferSize(3)]; qrcode_initText(&qrcode, qrcodeData, 3, 0, "HELLO WORLD"); // Delta...