Connected device
BLE beacon
Intermediate35 min
A Bluetooth Low Energy beacon broadcasting its identity and a reading to nearby devices.
What you get
A beacon detected by the virtual phone, with its name, received power and payload.
Parts (simulated)
- ESP32 board
- Net Lab virtual phone
Nothing to buy: every component here is simulated in the browser.
Project steps
- 01Configure the name and advertising interval.
- 02Compose the broadcast payload.
- 03Scan from the virtual phone and read the received power.
- 04Vary the interval and measure the power impact.
What you learn
- BLE advertising
- Payload and identity
- Received power and distance
Other projects
- ⌚ Smartwatch
Build a complete watch: OLED screen, DS3231 real-time clock, navigation buttons, then the printed board that goes with it.
- 📺 Mini colour TV (SPI TFT)
The finish line of a 10-project display series: from a single pixel to a colour panel driven over SPI.
- 📻 Digital PMR446 walkie-talkie
A full radio link on the PMR446 band: modulation, channel, noise, demodulation and quality measurement.
- 📱 4G/LTE cellular phone
Understand how a phone attaches to a cell: OFDM modulation, mobility, echoes and useful throughput.