Adafruit FONA - Mini Cellular GSM Breakout uFL Version
Pinout
- VioType · PowerVoltage · 3-5V
- VBATType · PowerVoltage · 3.7/4.2V LiPo
- GNDType · GroundVoltage · 0V
- KeyType · ControlVoltage · pulse to GND
- RXType · UARTVoltage · Vio logic
- TXType · UARTVoltage · Vio logic
- RIType · SignalVoltage · logic
- SPK+-Type · GPIOVoltage · differential audio
- MIC+-Type · GPIOVoltage · 2V mic bias
- ADCType · AnalogVoltage · 0-2.8V max
| Pin | Type | Voltage |
|---|---|---|
| Vio | Power | 3-5V |
| VBAT | Power | 3.7/4.2V LiPo |
| GND | Ground | 0V |
| Key | Control | pulse to GND |
| RX | UART | Vio logic |
| TX | UART | Vio logic |
| RI | Signal | logic |
| SPK+- | GPIO | differential audio |
| MIC+- | GPIO | 2V mic bias |
| ADC | Analog | 0-2.8V max |
Pin details
10 connections- VioPowerVoltage · 3-5V
- VBATPowerVoltage · 3.7/4.2V LiPo
- GNDGroundVoltage · 0V
- KeyControlVoltage · pulse to GND
- RXUARTVoltage · Vio logic
- TXUARTVoltage · Vio logic
- RISignalVoltage · logic
- SPK+-GPIOVoltage · differential audio
- MIC+-GPIOVoltage · 2V mic bias
- ADCAnalogVoltage · 0-2.8V max
Start wiring
UART · USB · Breakout
Verify supply voltage and logic levels before powering up.
Module pins: GND, RX, TX. Schematik maps them to your board in the app.
Cellular
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