Fermion: BLE Sensor Beacon Pack — 5 pcs (TEL0168)
Pack of 5 low-energy Bluetooth beacon modules that broadcast sensor data wirelessly. Each supports I2C, analog, and digital sensors with customizable broadcast intervals and low power consumption.
Pinout
- Serial port burning areaOfficial table 2 row 1
VCC:3.3V Input; GND:Ground; IO0:RX(3.3V); IO1:TX(3.3V)
Type · Ground - I2COther sensors (coin cell)Official table 2 row 2
VBAT:Coin Cell Positive; IO3/IO7:SDA/SCL or digital/analog
Type · Power - I2COther sensors (dynamic)Official table 2 row 3
SW0:Power sensor during broadcast; IO4/IO5:SDA/SCL or digital/analog
Type · I2C - DigitalAnalog SensorsOfficial table 2 row 4
SW1:Pull down during broadcast; IO2:SDA/SCL; IO6:Analog (divider)
Type · I2C - Pull-up Resistor Selection PadOfficial table 2 row 5
IO3/IO7/IO4/IO5/IO2 pull-up soldering points (default: no pull-up)
Type · GPIO - Battery socketOfficial table 2 row 6
CR2032 button cell (positive→VBAT, negative→GND)
Type · Ground
| Pin | Position | Type | Function |
|---|---|---|---|
| Serial port burning area | Official table 2 row 1 | Ground | VCC:3.3V Input; GND:Ground; IO0:RX(3.3V); IO1:TX(3.3V) |
| I2COther sensors (coin cell) | Official table 2 row 2 | Power | VBAT:Coin Cell Positive; IO3/IO7:SDA/SCL or digital/analog |
| I2COther sensors (dynamic) | Official table 2 row 3 | I2C | SW0:Power sensor during broadcast; IO4/IO5:SDA/SCL or digital/analog |
| DigitalAnalog Sensors | Official table 2 row 4 | I2C | SW1:Pull down during broadcast; IO2:SDA/SCL; IO6:Analog (divider) |
| Pull-up Resistor Selection Pad | Official table 2 row 5 | GPIO | IO3/IO7/IO4/IO5/IO2 pull-up soldering points (default: no pull-up) |
| Battery socket | Official table 2 row 6 | Ground | CR2032 button cell (positive→VBAT, negative→GND) |
Pin details
6 connections- Serial port burning areaOfficial table 2 row 1
VCC:3.3V Input; GND:Ground; IO0:RX(3.3V); IO1:TX(3.3V)
Ground - I2COther sensors (coin cell)Official table 2 row 2
VBAT:Coin Cell Positive; IO3/IO7:SDA/SCL or digital/analog
Power - I2COther sensors (dynamic)Official table 2 row 3
SW0:Power sensor during broadcast; IO4/IO5:SDA/SCL or digital/analog
I2C - DigitalAnalog SensorsOfficial table 2 row 4
SW1:Pull down during broadcast; IO2:SDA/SCL; IO6:Analog (divider)
I2C - Pull-up Resistor Selection PadOfficial table 2 row 5
IO3/IO7/IO4/IO5/IO2 pull-up soldering points (default: no pull-up)
GPIO - Battery socketOfficial table 2 row 6
CR2032 button cell (positive→VBAT, negative→GND)
Ground
Start wiring
UART · SPI · 3.3 V · 5 V · Breakout
Seeed describes MDBT50Q-1M and MDBT50Q-P1M as Bluetooth 5.0 / BLE modules based on Nordic nRF52840, with GPIO, SPI, UART, I2C, I2S, PWM, …
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