FighterJetHUD

Building a Fighter Jet Style HUD Attachment For My Mountain Bike

HUD Specifications

• Orientation: Gyroscope-based Artificial Horizon, Pitch Ladders, and Compass Heading
• Temperature: Real-time Ambient and Object Readings
• Acceleration: G-force Measurement
• GPS: Latitude / Longitude, Altitude and Satellite Count

Demo.mp4

Sensor Specifications

• Infrared Temperature Sensor MLX90614
• 9DOF 9-Axis Accelerometer Gyroscope Magnetic Field Sensor MPU-9250
• GPS Module NEO-M8
• LCD TFT 1.8" ST7735
• DOIT ESP32 DevKit V1

Sensor Libraries

• Adafruit_MLX90614
• MPU9250_asukiaaa
• TinyGPSPlus
• TFT_eSPI (User_Setup.h in /src)

Sensor & Display Wiring

Component	Signal	ESP32 Pin	Notes
LCD Module (ST7735)	SCLK (SCL)	D18	SPI Clock
	MOSI (SDA)	D23	SPI Data (Master Out Slave In)
	RST	D4	Hardware Reset
	DC (OC)	D2	Data/Command Select
	CS (DS)	D5	Chip Select
Temperature Sensor (MLX90614)	SCL	D22	I²C Clock
	SDA	D21	I²C Data
Gyroscope Sensor (MPU9250)	SCL	D22	I²C Clock (shared with temp sensor)
	SDA	D21	I²C Data (shared with temp sensor)
GPS Module (NEO-M8)	TXD	RX2 (16)	GPS TX → ESP32 RX2 (receive)
	RXD	TX2 (17)	GPS RX ← ESP32 TX2 (transmit)