# Aniker - ESP32 GPS Anchor Alarm

## Hardware Requirements

### Required Components
- ESP32 development board
- NEO-6M GPS module
- 1.8" TFT SPI Display (128x160 resolution)
- Connecting wires
- Power supply (USB or battery - specifications TBD)

### Display Specifications
- Resolution: 128x160 pixels
- Interface: SPI
- Size: 1.8 inch
- Controller: ST7735 (common for this display type)
- Color Depth: 16-bit (65K colors)

### GPS Module Specifications (NEO-6M)
- Operating voltage: 3.3V
- Communication: UART interface
- Update rate: 1Hz (default)
- Position accuracy: 2.5m
- Default baud rate: 9600bps

### Wiring Guide

#### NEO-6M GPS Connection
| NEO-6M Pin | ESP32 Pin | Description |
|------------|-----------|-------------|
| VCC        | 3.3V      | Power       |
| GND        | GND       | Ground      |
| TX         | GPIO16*   | UART RX     |
| RX         | GPIO17*   | UART TX     |

#### TFT Display Connection (SPI)
| TFT Pin | ESP32 Pin | Description     |
|---------|-----------|-----------------|
| VCC     | 3.3V      | Power          |
| GND     | GND       | Ground         |
| SCL     | GPIO18    | SPI Clock      |
| SDA     | GPIO23    | MOSI           |
| RES     | GPIO21    | Reset          |
| DC      | GPIO22    | Data/Command   |
| CS      | GPIO5     | Chip Select    |
| BLK     | GPIO4     | Backlight      |

*Note: GPIO pins are configurable in the software