Below you can see the circuit diagram of the QR Code Scanner Project. As usual, the USB to UART Module is connected to the ESP32-CAM as follows: VCC to 5V, GND to GND, TX to RX, and RX to TX. Since ...

CircuitDigest Cloud - our very own cloud API which you and people like you can use for free to build and test their projects This article is about the QR Code scanner API that can be used easily with ...

This repository contains an implementation of a QR code item scanner using an ESP32 microcontroller. The project is designed for a supermarket scenario where items with QR codes are scanned, and the ...