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Analog-to-Digital Converters (ADC): Resolution, Reference, and Accuracy
Analog-to-Digital Converters (ADC): Resolution, Reference, and Accuracy

Every analogRead() call in an Arduino sketch leans on a piece of hardware doing real work behind the scenes: an analog-to-digital converter, translating…

Programming Arduino from Android over USB OTG
Programming Arduino from Android over USB OTG

A computer isn't strictly required to program an Arduino — an Android phone, an OTG cable, and the right app cover the same ground for anyone who needs…

Artificial Intelligence: Capabilities, Limits, and Realistic Risks
Artificial Intelligence: Capabilities, Limits, and Realistic Risks

Artificial intelligence covers techniques that let systems infer, predict, generate, or control from data and models. A useful evaluation starts with the…

RFID-Controlled Bin Lid with MFRC522 and Arduino
RFID-Controlled Bin Lid with MFRC522 and Arduino

Our earlier smart-lock project used a pre-stored card ID to grant access; this project takes the same MFRC522 reader in a different direction — a trash…