Tell us about yourself!
Tiny Micro-controller Project for Under $2 Bucks
Playing With Propulsion: Create Your Own Miniature Ion Thruster.
ESP8266 As a Microcontroller
ESP8266 Voice Control With Google Assistant and Adafruit IO
When using multiple cards, the sizeof(cards) function does not give the number of 'rows' in the array, which somehow allows any RFID serial number to be allowed. If you change 'sizeof(cards)' in the loop to '(sizeof(cards)/sizeof(cards))' it works fine.
Fruit Caviar - Molecular Gastronomy
Homemade Ginger Beer
Reversing a Motor
Large Motors Class
Arduino Tutorial: Capacitive Touch Sensors
Third Hand++: A multi-use helping hand for electronics and other delicate work.
Arduino RFID Reader / MFRC522 Turorial
Getting Started with Robots
Tools and Materials for Arduino
Getting Started with Electronics
LEDs and Lighting Class
Welcome to Arduino
The single most effective way to get rid of a sunburn