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Initial commit: Minecraft Orb project

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ESP32-C3 firmware for interactive treasure hunt device with RFID,
OLED display, LED effects, buzzer, and touch input.
Includes 3D printable STL files for the enclosure.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Giorgio Gilestro 2026-04-03 18:43:15 +01:00
commit 28c36c51f6
36 changed files with 2733 additions and 0 deletions
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48
firmware/include/pins.h Normal file
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/**
* @file pins.h
* @brief Pin definitions for Minecraft Orb - ESP32-C3 SuperMini
*
* Hardware Configuration:
* - SSD1306 OLED Display (128x64) via I2C
* - RC522 RFID Reader via SPI
* - White LED indicator
* - Piezo buzzer for audio feedback
* - TTP223 capacitive touch sensor
*/
#ifndef PINS_H
#define PINS_H
// =============================================================================
// I2C - SSD1306 OLED Display (Right side of board)
// =============================================================================
#define I2C_SDA 2 // I2C Data
#define I2C_SCL 3 // I2C Clock
#define OLED_ADDRESS 0x3C // Default I2C address for SSD1306
// =============================================================================
// SPI - RC522 RFID Reader (Left side of board)
// Pin order matches RC522 board: SDA, SCK, MOSI, MISO, RST
// =============================================================================
#define RC522_CS 6 // SDA - Chip Select for Reader
#define SPI_SCK 7 // SCK - SPI Clock
#define SPI_MOSI 8 // MOSI - SPI Data Out
#define SPI_MISO 9 // MISO - SPI Data In
#define RC522_RST 10 // RST - Reset for Reader
// =============================================================================
// LED (Right side of board)
// =============================================================================
#define LED_WHITE 4 // White LED (via 100 ohm resistor)
// =============================================================================
// Buzzer (Right side of board)
// =============================================================================
#define BUZZER_PIN 0 // Piezo buzzer (passive)
// =============================================================================
// Touch Sensor (Left side of board)
// =============================================================================
#define TOUCH_PIN 5 // TTP223 capacitive touch sensor (GPIO0-5 for deep sleep wake)
#endif // PINS_H