Summary
An alarm system designed for keeping track of school bells during COVID-19.
Description
- Supports WiFi time synchronization
- Displays current time
- Displays information about the next bell
- Buzzer alarm
- Aesthetic case
Technologies
- ESP8266 WiFi chip with display
- Programmed in Arduino
- Soldered on buzzer
- CAD + 3D printed case
Showcase
Device design closeup:
Working device (prototype case) with 2 hours left until bell with name “testBusy”: