WiFi Setup
WiFi Timeline
Section titled “WiFi Timeline”| Period | Connection | Status |
|---|---|---|
| Week 1-2 | USB only | Required |
| Week 3 | Submit video + choose project | USB recommended |
| Week 4+ | WiFi optional | Available if your project needs it |
Why Wait Until After Week 3?
Section titled “Why Wait Until After Week 3?”Week 1-2: Smart Product Challenge
Section titled “Week 1-2: Smart Product Challenge”- Goal: Build something that “just works”
- Focus on making it reliable, not fancy
- Record demo video (due Week 3)
- Every team member must contribute
Why USB-Only for the Challenge
Section titled “Why USB-Only for the Challenge”- USB is more reliable = fewer demo fails
- TAs help with process, not debugging WiFi
- You want it working for video recording
- WiFi adds complexity without benefit here
What WiFi Enables
Section titled “What WiFi Enables”Once you need it (Week 4+), WiFi allows:
- Wireless programming: Upload code without USB cable
- Cloud Pair mode: Connect via UIFlow web interface wirelessly
- IoT features: Send data to cloud, fetch weather, APIs
- Untethered demos: Present projects without USB connection
What WiFi Setup Requires
Section titled “What WiFi Setup Requires”Requirements
Section titled “Requirements”- Firmware flashing: Use M5Burner to configure WiFi credentials
- 2.4GHz network: Device only supports 2.4GHz, not 5GHz
- Personal hotspot: Most campus WiFi won’t work (security restrictions)
- Additional troubleshooting: More complexity = more potential issues
For Advanced Students: “I Really Want WiFi Now”
Section titled “For Advanced Students: “I Really Want WiFi Now””If you’re experienced and want to set up WiFi in Weeks 1-2, you can do so outside of class time.
Quick WiFi Setup Overview
Section titled “Quick WiFi Setup Overview”- Use M5Burner to flash UIFlow firmware with WiFi config
- Enter your 2.4GHz network SSID and password
- Device will show QR code or API Key on screen
- Use Cloud Pair in UIFlow web interface
WiFi Troubleshooting
Section titled “WiFi Troubleshooting”Device connects to WiFi but UIFlow shows “offline”
Section titled “Device connects to WiFi but UIFlow shows “offline””- Check that you’re using 2.4GHz network (not 5GHz)
- Verify the WiFi password is correct
- Try a phone hotspot instead of campus WiFi
- Reflash firmware with M5Burner
Campus WiFi won’t work
Section titled “Campus WiFi won’t work”Most campus WiFi (eduroam, enterprise WPA2) is not compatible with ESP32-S3.
Solution: Use your phone as a 2.4GHz personal hotspot.
M5Burner flash fails
Section titled “M5Burner flash fails”- Close all other serial port applications
- Use boot mode entry (hold button while plugging in)
- Try a different USB cable and port
- Try again - it often takes 2-5 attempts
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