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Pi-Apps
Intermediate MicroPython
Arduino Alvik
Raspberry Pi Time machine
Now Ad-Free
Guiding Light
Intermediate level MicroPython
Introduction to FreeCAD for Beginners
Building a Robot Arm with Raspberry Pi and PCA9685
Building User Authentication for Static Sites with FastAPI
Mastering Pydantic for Robust Data Validation
Mastering Markdown for Documentation with Jekyll
Build a QR Code controlled robot using the Tiny Code Reader sensor for Useful Sensors Inc.
I purchased this tiny QR code reader from Adafruit and it can read QR codes and send data to a microcontroller via I2C. It has a built in image sensor and is powered by a Raspberry Pi RP2040 and is made by Useful Sensors Inc. It’s only costs a couple of bucks so it’s a great way to add simple data entry to your projects.
The QR in QR codes means quick response and it was originally developed by a Japanese company tracking automotive parts.
I’ve created a bunch of QR code control cards that you can print out and use to control a robot using the micropython code below. You will need to add your own code to control the robots motors etc.
Download the QR Control cards here
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Thank you again for your support and helping me grow my hobby into a business I can sustain. - Kevin McAleer