IOT & SMART SYSTEMS
Cold Chain Temperature Logger
Prototype a temperature logger for medicine/food transport with alerts and timestamped records.
LevelCollege / Intermediate
Duration4 Weeks
Components₹3,000–₹5,500 CodingMedium
Project overview
Prototype a temperature logger for medicine/food transport with alerts and timestamped records.
Prototype a temperature logger for medicine/food transport with alerts and timestamped records.
Components / materials required
✓ESP32
✓DS18B20 temperature sensor
✓RTC module
✓MicroSD module
✓OLED
✓Buzzer
What the project demonstrates
✓Temperature logging
✓Timestamped records
✓High/low alerts
✓Optional Wi-Fi upload
Suggested build plan
01
Sensor logging
Read accurate temperature.
02
Timekeeping
Add RTC timestamps.
03
Storage
Save CSV logs to SD card.
04
Alert logic
Flag threshold breaches.
Learning outcomes
✓Design data logging
✓Use RTC and SD storage
✓Implement threshold alerts
✓Understand cold-chain monitoring