Digital QR Scanner (QR Code Recorder & QR Code Classify & Chip Counter all in one )
Digital QR Scanner (QR Code Recorder & QR Code Classify & Chip Counter all in one )
6
Components
Hardware components
WIZnet - WizFi360
x 1
DFRobot - Gravity I2C OLED-2864 Display
x 1
SparkFun - SparkFun microSD Transflash Breakout
x 1
Raspberry Pi - RP2040
x 1
Arduino - Arduino IDE
x 1
Project description
I developed a handheld device that can scan barcodes and QR codes. I call it “Digital QR Scanner”. After it scans the barcode, it can be stored directly in TF, or all the barcodes scanned this time can be classified according to the "Model/Lot/DateCode/Quantity" of the goods. The sorted results can be printed out by connecting to Cloud Printer through the WiFi module. And chip counting is possible. I used the Raspberry Pi's RP2040 as the MCU and the WiFi module WizFi360 to connect to the network printer; as a handheld device, I designed a key switch circuit with a built-in rechargeable…
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