Skip to content

Adafruit HUZZAH32 – ESP32 Breakout Board

Parts › Development Boards › ESP32 Boards

ADA4172 · AdafruitActive

Adafruit HUZZAH32 – ESP32 Breakout Board photo
Adafruit HUZZAH32 – ESP32 Breakout Board illustration

Adafruit product #4172 — built on HUZZAH32, ESP32.

Part numberADA4172
ManufacturerAdafruit
CategoryDevelopment Boards › ESP32 Boards
Pins34
Frequency2.4 GHz

Adafruit HUZZAH32 – ESP32 Breakout Board pinout

PinNameTypeDescription
1RESET_5Vbidirectional
2GPIO23bidirectional
3GPIO36bidirectional
4GPIO22bidirectional
5GPIO39bidirectional
6TXDbidirectional
7GPI34bidirectional
8RXD_5Vbidirectional
9GPI35bidirectional
10GPIO21bidirectional
11GPIO32bidirectional
12GPIO19bidirectional
13GPIO33bidirectional
14GPIO18bidirectional
15GPIO25bidirectional
16GPIO5bidirectional
17GPIO26bidirectional
18GPIO17bidirectional
19GPIO27bidirectional
20GPIO16bidirectional
21GPIO14bidirectional
22GPIO4bidirectional
23GPIO12bidirectional
24GPIO0bidirectional
25GPIO13bidirectional
26GPIO2bidirectional
273.3Vpower
28GPIO15bidirectional
29GNDground
30VBATpower
31TXDbidirectional
32RXD_5Vbidirectional
33VINpower
34GNDground

Schematic symbol and footprint

12345678910111213141516171819202122232425262728293031323334
Footprint: ESP32 Huzzah Breakout (header pads) — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.

Datasheet

Where to buy

SupplierStockPriceStatus
Mouser126$13.40 (1+)View
DigiKey100$13.50 (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 Feather BoardADA3405
Adafruit Metro ESP32-S2ADA4775
Adafruit Metro ESP32-S3 with 16 MB Flash 8 MB PSRAMADA5500
Adafruit QT Py ESP32 Pico - WiFi Dev Board with STEMMA QTADA5395
Adafruit QT Py ESP32-S2 WiFi Dev Board with STEMMA QTADA5325