Posts tagged PIC

Total: 2 posts.

RFID emulator

RFID emulator

The underground waste containers in my neighborhood used to have an access system based on Texas Instruments’ TIRIS RFID tags. The tags contain a 64-bit read-only identifier that is read using a low-frequency (LF) electromagnetic field of around 134 kHz. Data bits are modulated using Frequency Shift Keying (FSK). Since the system

Infrared remote top

Mini infrared remote

I had some space left on a panelized PCB I wanted to etch, so I decided to fill the remaining space with a small project I had in mind. The idea was to make a small infrared transmitter, controlled by a PIC microcontroller, that could run off a single lithium cell (CR2032).