Skip to content

Adafruit Metro ESP32-S3 with 16 MB Flash 8 MB PSRAM

Parts › Development Boards › ESP32 Boards

ADA5500 · AdafruitActive

Adafruit Metro ESP32-S3 with 16 MB Flash 8 MB PSRAM photo
Adafruit Metro ESP32-S3 with 16 MB Flash 8 MB PSRAM illustration

Adafruit product #5500 — built on ESP32-S3.

Part numberADA5500
ManufacturerAdafruit
CategoryDevelopment Boards › ESP32 Boards
Pins39
Frequency2.4 GHz

Adafruit Metro ESP32-S3 with 16 MB Flash 8 MB PSRAM pinout

PinNameTypeDescription
1TXD0bidirectional
2RXD0bidirectional
3SCLbidirectional
4SDAbidirectional
53.3Vpower
6GNDground
7D13bidirectional
83.3Vpower
9D12bidirectional
10RESETbidirectional
11D11bidirectional
123.3Vpower
13D10bidirectional
14VHIGHbidirectional
15D9bidirectional
16GNDground
17D8bidirectional
18GNDground
19VINpower
20D7bidirectional
21D6bidirectional
22AD0bidirectional
23D5bidirectional
24AD1bidirectional
25D4bidirectional
26AD2bidirectional
27D3bidirectional
28AD3bidirectional
29D2bidirectional
30AD4bidirectional
31TDI_RXbidirectional
32AD5bidirectional
33RESETbidirectional
34SCKbidirectional
35MISObidirectional
36TDO_TXbidirectional
37GNDground
38MOSIbidirectional
39VHIGHbidirectional

Schematic symbol and footprint

123456789101112131415161718192021222324252627282930313233343536373839
Footprint: Adafruit Metro ESP32-S3 (header pads) — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.

Datasheet

Where to buy

SupplierStockPriceStatus
Mouser5$24.95 (1+)View
DigiKey55$24.95 (1+)ActiveView

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

Related parts

Adafruit ESP32-C6 Feather - STEMMA QTADA5933
Adafruit ESP32-S2 Feather - 4 MB Flash + 2 MB PSRAMADA5000
Adafruit ESP32-S3 Feather with STEMMA QT / QwiicADA5323
Adafruit HUZZAH32 – ESP32 Breakout BoardADA4172
Adafruit HUZZAH32 – ESP32 Feather BoardADA3405
Adafruit Metro ESP32-S2ADA4775
Adafruit QT Py ESP32 Pico - WiFi Dev Board with STEMMA QTADA5395
Adafruit QT Py ESP32-S2 WiFi Dev Board with STEMMA QTADA5325