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Adafruit Metro M4 Express AirLift (WiFi) - Lite

Parts › Development Boards › SAMD / SAM Boards

ADA4000 · AdafruitActive

Adafruit Metro M4 Express AirLift (WiFi) - Lite photo
Adafruit Metro M4 Express AirLift (WiFi) - Lite illustration

Adafruit product #4000.

Part numberADA4000
ManufacturerAdafruit
CategoryDevelopment Boards › SAMD / SAM Boards
Pins37

Adafruit Metro M4 Express AirLift (WiFi) - Lite pinout

PinNameTypeDescription
1SCLbidirectional
2SDAbidirectional
3AREFbidirectional
4GNDground
5D13bidirectional
6D12bidirectional
7D11bidirectional
8D10bidirectional
9D9bidirectional
10D8bidirectional
11D7bidirectional
12D6bidirectional
13D5bidirectional
14D4bidirectional
15D3bidirectional
16D2bidirectional
17D1bidirectional
18D0bidirectional
19MISObidirectional
20+5Vpower
21SCKbidirectional
22MOSIbidirectional
23!RESETbidirectional
24GNDground
253.3Vpower
26!RESETbidirectional
273.3Vpower
28+5Vpower
29GNDground
30GNDground
31VINpower
32A0bidirectional
33A1bidirectional
34A2bidirectional
35A3bidirectional
36A4bidirectional
37A5bidirectional

Schematic symbol and footprint

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Footprint: Adafruit Metro M4 AirLift Lite (header pads) — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.

Datasheet

Where to buy

SupplierStockPriceStatus
Mouser0—View
DigiKey16$34.95 (1+)ActiveView

Stock and prices from the suppliers, checked 2026-10-08; excluding tax and shipping.

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