Introduction: Zorro’s Hiking Trail Tracker (STEM)

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About: I hold a Master's degree in Computer Science and currently teach STEM and ICT. My focus is on making technology and engineering concepts accessible to students through hands-on projects. I teach topics like ro…

Track temperature, pressure, and humidity while hiking — and get reminders to move and collect fresh data!

Supplies

What You’ll Need

ComponentQuantity

NodeMCU ESP8266

BMP180 Barometric Sensor

DHT11 Humidity Sensor

1.8" ST7735 TFT LCD

Breadboard + jumper wires

Micro USB cable

Step 1: 🔌 Wiring Diagram – Components Assembly


Here’s how to connect all your components to the NodeMCU ESP8266.



Step 2: 💻 Arduino IDE Setup


Install Arduino IDE

Go to Boards Manager and install:

ESP8266 by ESP8266 Community

Go to Library Manager and install:

Adafruit BMP085 Unified

Adafruit GFX

Adafruit ST7735 and ST7789

DHT sensor library


Step 3: 🧠 Upload the Code

Complete code

Attachments

Step 4: What You'll See

A welcome screen:



Welcome to
Zorro’s Hiking
Trail Tracker!

Real-time sensor data:


T: 23.4 C
P: 1012.6 hPa
H: 45.2 %

Countdown:

Update in: 25 sec

After countdown:

Move to new
location & collect
data


Step 5: 🌟Take It Hiking!


  1. Mount the device in a small case
  2. Carry it while hiking
  3. Record temperature/pressure/humidity in different zones
  4. Build an environmental dataset!