Common power and logic ground.
Positive voltage from the Feather JST connector for an optional LiPo battery.
Positive voltage to or from the Micro USB jack when connected.
3.3V regulator enable; Adafruit says it is pulled up and can be connected to ground to disable the regulator.
3.3V regulator output for the FeatherWing; Adafruit notes the regulator can supply 500mA peak, with substantial current used by the ESP32.
SPI clock from the microcontroller to the AirLift.
SPI data from the AirLift to the microcontroller; tri-stated when not selected.
SPI data to the AirLift from the microcontroller.
SPI chip select from the microcontroller to start sending commands to the AirLift.
Required AirLift ready/busy signal to tell the microcontroller when more commands can be sent.
Required reset control to the AirLift; set low to reset the co-processor.
Optional ESP32 GPIO0 bootloading/server-ready signal; Adafruit says it is required for BLE mode and connected by solder pad.
Optional serial receive pin for the ESP32 co-processor.
Optional serial transmit pin for the ESP32 co-processor.
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| GND | ground | Common power and logic ground. | ||
| BAT | power | Positive voltage from the Feather JST connector for an optional LiPo battery. | ||
| USB | power | Positive voltage to or from the Micro USB jack when connected. | ||
| EN | control | 3.3V regulator enable; Adafruit says it is pulled up and can be connected to ground to disable the regulator. | ||
| 3V |
SPI · I2S · UART · 3.3V output per Adafruit pinouts · 3-5V logic input supported per Adafruit pinouts
Verify supply voltage and logic levels before powering up.
Module pins: BAT, USB, 3V, GND, SCK, MISO, MOSI, ESPCS. Schematik maps them to your board in the app.
SparkFun Qwiic Pro Micro BoogieBoard visual preview
9V to Barrel Jack Adapter visual preview
SparkFun 16x2 SerLCD - RGB Backlight (Qwiic) visual preview
MicroUSB Plug to 5.5/2.1mm DC Barrel Jack Adapter | Kiwi Electronics visual previewSort passive connector adapters from Qwiic boards, LCD modules and microSD card adapters before assuming anything with the right plug will substitute safely.
Connectors & cables · Connectors · 28 parts
RGB backlight positive LCD 16x2 visual previewSparkFun 16x2 SerLCD - RGB Backlight (Qwiic) visual preview
I2C 20x4 Arduino LCD Display Module visual preview
Gravity: I2C 16x2 Arduino LCD with RGB Backlight Display V2.0 visual previewCharacter LCDs, SPI TFTs, e-paper modules and larger capacitive-touch TFT panels solve different display jobs. Treat display class, interface, controller, resolution, touch, refresh behaviour, storage, voltage and mounting as separate swap checks.
Displays · TFT & LCD displays · 35 parts
MQ-2 Gas Sensor visual preview
MQ-3 Gas Sensor visual preview
MQ-135 Gas Sensor visual preview
Grove - Air quality sensor visual previewChoose between MQ gas sensors, VOC/eCO2 indoor-air sensors, true CO2 modules and particulate sensors without treating every air-quality breakout as the same detector.
Sensors · Gas & air-quality sensors · 31 parts
Arduino Uno visual preview
Raspberry Pi Pico visual preview
Adafruit Feather nRF52840 Express visual preview
Pan-Tilt HAT kit visual previewESP32, Arduino Uno, Raspberry Pi Pico, and compatible add-on boards for running builds.
Boards · Microcontroller boards · 29 parts
| power |
| 3.3V regulator output for the FeatherWing; Adafruit notes the regulator can supply 500mA peak, with substantial current used by the ESP32. |
| 3.3V output per Adafruit pinouts |
| SCK | signal | SPI clock from the microcontroller to the AirLift. | 3-5V logic input supported per Adafruit pinouts |
| MISO | signal | SPI data from the AirLift to the microcontroller; tri-stated when not selected. | 3.3V logic output, readable by 3-5V logic per Adafruit pinouts |
| MOSI | signal | SPI data to the AirLift from the microcontroller. | 3-5V logic input supported per Adafruit pinouts |
| ESPCS | signal | SPI chip select from the microcontroller to start sending commands to the AirLift. | 3-5V logic input supported per Adafruit pinouts |
| ESPBUSY | signal | Required AirLift ready/busy signal to tell the microcontroller when more commands can be sent. | 3.3V logic output, readable by 3-5V logic per Adafruit pinouts |
| ESPRST | control | Required reset control to the AirLift; set low to reset the co-processor. | 3-5V logic input supported per Adafruit pinouts |
| ESPGPIO0 | control | Optional ESP32 GPIO0 bootloading/server-ready signal; Adafruit says it is required for BLE mode and connected by solder pad. |
| ESPRX | signal | Optional serial receive pin for the ESP32 co-processor. |
| ESPTX | signal | Optional serial transmit pin for the ESP32 co-processor. |
