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MFRC522

Standard performance MIFARE and NTAG frontend

Control your loops like a champ

Introduction The Propeller 2 SPIN2 language has a new feature added in version 52 to extend the flexibility of the REPEAT loop control commands, NEXT and QUIT. Explainer Within REPEAT constructs, NEXT and QUIT are two special instructions which can…

Tilde manipulation of the DIRA and OUTA registers

Introduction The Propeller Spin language uses the single-tilde and double-tilde suffixes for compact single-bit manipulation on the DIRA and OUTA registers. These are single-bit assignment operations that work only for the DIRA and OUTA registers and are an extremely concise…

Generate a clock with any SmartPin

Introduction The Propeller 2 can set any of it’s Smart IO pins to output a clock frequency without requiring any runtime resources. Think of Smart Pins as mini microcontroller cores, and every one of the 64 IO’s on the P2…