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ESP32

The original dual-core all-rounder

2.4 GHz Wi-Fi 4, Bluetooth Classic and Bluetooth LE with broad peripheral support.

AvailableVerified 2026-10-11

Best for

  • Mature Wi-Fi and Bluetooth Classic products

Avoid for

  • New designs that require native USB or Wi-Fi 6

CPU & memory

Architecture
Xtensa LX6
Core(s)
2
Maximum clock
240 MHz
On-chip SRAM
520 KB
ROM
448 KB
Flash
External or in-package by part
PSRAM
External support
Packages
QFN48 5×5 mm · QFN48 6×6 mm

Wireless

Wi-Fi
2.4 GHz Wi-Fi 4
Wi-Fi max rate
150 Mbps
Bluetooth
Bluetooth 4.2 BR/EDR + Bluetooth LE
IEEE 802.15.4
No

Interfaces

USB OTG
No
USB Serial/JTAG
No
Ethernet MAC
Yes
Camera
No
Display
No
SD/MMC
Yes
Maximum GPIO
34

Security

Secure boot
Yes
Flash encryption
Yes
Crypto accelerators
AES · SHA-2 · RSA · RNG
TEE / APM
No

Analog & power

ADC channels
18
ADC resolution
12-bit
Touch sensing
Yes
Touch channels
10
Supply voltage
2.3–3.6 V
ULP core
ULP-FSM
Deep-sleep current
10 µA

Lifecycle & timing

Announced
Not confirmed
Mass production
Not confirmed
NRND
Not confirmed
EOL
Not confirmed

Official modules

Every official ESP32 base module, grouped by series. Status follows the ordering codes; "Mixed" means they differ.

ModuleStatusForm factorAntennaFlashPSRAM
ESP32-WROOM-32EAvailableWROOMPCB4/8/16 MBNot confirmed
ESP32-WROOM-32UEAvailableWROOMConnector4/8/16 MBNot confirmed
ESP32-WROVER-EMixedWROVERPCB4/8/16 MBUp to 8 MB
ESP32-WROVER-IEMixedWROVERConnector4/8/16 MBUp to 8 MB
ESP32-MINI-1AvailableMINIPCBNot confirmedNot confirmed
ESP32-MINI-1UAvailableMINIConnectorNot confirmedNot confirmed
ESP32-PICO-MINI-02AvailableMINIPCBNot confirmedNot confirmed
ESP32-PICO-MINI-02UAvailableMINIConnectorNot confirmedNot confirmed
ESP32-PICO-V3-ZEROAvailablePICOPCBNot confirmedNot confirmed
ESP32-WROOM-32DNRNDWROOMPCB4/8/16 MBNot confirmed
ESP32-WROOM-32UNRNDWROOMConnector4/8/16 MBNot confirmed
ESP32-SOLO-1NRNDSOLOPCB4/8/16 MBNot confirmed
ESP32-WROOM-32NRNDWROOMPCB4/8/16 MBNot confirmed
ESP32-WROVER-BNRNDWROVERPCB4/8/16 MBNot confirmed
ESP32-WROVER-IBNRNDWROVERConnector4/8/16 MBNot confirmed
ESP32-WROOM-DAEOLWROOMPCBNot confirmedNot confirmed
ESP32-DU1906AvailableDU1906PCBNot confirmedNot confirmed
ESP32-DU1906-UAvailableDU1906ConnectorNot confirmedNot confirmed

Official development boards

Official Espressif development boards, including discontinued boards from the per-series EOL lists.

BoardStatusBoard type
ESP32-DevKitCAvailableDevKitC
ESP32-DevKitM-1AvailableDevKitM
ESP32-PICO-KIT-1AvailableOther
ESP32-PICO-V3-ZERO-DevKitAvailableOther
ESP32-PICO-DevKitM-2AvailableDevKitM
ESP32-LyraT-MiniAvailableOther
ESP32-LyraTD-SYNAAvailableOther
ESP32-Vaquita-DSPGAvailableOther
ESP32-Ethernet-KitAvailableOther
ESP32-LCDKitAvailableOther
ESP32-Sense-KitEOLOther
ESP32-MeshKit-SenseEOLOther
ESP-WROVER-KITEOLOther
ESP32-PICO-KITEOLOther

Where to buy

Official page and distributor search

These are search and official pages, not live stock or price quotes. Confirm the exact ordering code with the seller.

Espressif product page Official datasheet Authorized distributors Search LCSC Search Digi-Key Search Mouser

Official chip ordering codes

Each row is an official SoC or SiP. Buy links search that exact part name.

PartStatusPackageFlashPSRAMBuy
ESP32-D0WD-V3AvailableQFN48See datasheetNone confirmedSearch LCSCSearch Digi-KeySearch Mouser
ESP32-D0WDRH2-V3AvailableQFN48See datasheetNone confirmedSearch LCSCSearch Digi-KeySearch Mouser
ESP32-U4WDHAvailableQFN48See datasheetNone confirmedSearch LCSCSearch Digi-KeySearch Mouser
ESP32-PICO-V3AvailableESP32-PICO-V3 LGA48 SiP4 MB in-package flashNone confirmedSearch LCSCSearch Digi-KeySearch Mouser
ESP32-PICO-V3-02AvailableESP32-PICO-V3-02 LGA48 SiP8 MB in-package flash2 MB in-package PSRAMSearch LCSCSearch Digi-KeySearch Mouser
ESP32-S0WDNRNDQFN48See datasheetNone confirmedSearch LCSCSearch Digi-KeySearch Mouser
ESP32-D0WDNRNDQFN48See datasheetNone confirmedSearch LCSCSearch Digi-KeySearch Mouser
ESP32-D0WDQ6NRNDQFN48See datasheetNone confirmedSearch LCSCSearch Digi-KeySearch Mouser
ESP32-D0WDQ6-V3NRNDQFN48See datasheetNone confirmedSearch LCSCSearch Digi-KeySearch Mouser
ESP32-D0WDR2-V3EOLQFN48See datasheet2 MB in-package PSRAMSearch LCSCSearch Digi-KeySearch Mouser
ESP32-PICO-D4NRNDESP32-PICO-D4 LGA48 SiP4 MB in-package flashNone confirmedSearch LCSCSearch Digi-KeySearch Mouser

Chip package

Chip pin map

Package top view from the official series datasheet. Filter pins or open the accessible table. This is a reference map, not an electrical simulator.

QFN48, top viewESP32 Series Datasheet v5.3QFN48VDDALNA_INVDD3P3VDD3P3SENSOR_VPSENSOR_CAPPSENSOR_CAPNSENSOR_VNCHIP_PUVDET_1VDET_232K_XP32K_XNGPIO25GPIO26GPIO27MTMSMTDIVDD3P3_RTCMTCKMTDOGPIO2GPIO0GPIO4VDD_SDIOSD_DATA_2SD_DATA_3SD_CMDSD_CLKSD_DATA_0SD_DATA_1GPIO5GPIO18GPIO23GPIO19GPIO22U0RXDU0TXDGPIO21VDDAXTAL_NXTAL_PVDDAGPIO16GPIO17VDD3P3_CPUGPIO6GPIO7GND
Complete accessible pin table
Physical pinLabelFunctionsDirectionWarnings
1VDDAPower—
2LNA_INInput—
3VDD3P3Power—
4VDD3P3Power—
5SENSOR_VPInput—
6SENSOR_CAPPInput—
7SENSOR_CAPNInput—
8SENSOR_VNInput—
9CHIP_PUInputEnable pin. Do not leave it floating; follow the datasheet power-up circuit.
10VDET_1Input—
11VDET_2Input—
1232K_XPInput—
1332K_XNInput—
14GPIO25, GPIO MatrixBidirectional—
15GPIO26, GPIO MatrixBidirectional—
16GPIO27, GPIO MatrixBidirectional—
17MTMSBidirectionalJTAG and boot-related function. Verify the part-specific reset configuration.
18MTDIBidirectionalJTAG and boot-related function. Verify the part-specific reset configuration.
19VDD3P3_RTCPower—
20MTCKBidirectionalJTAG and boot-related function. Verify the part-specific reset configuration.
21MTDOBidirectionalJTAG and boot-related function. Verify the part-specific reset configuration.
22GPIO2, GPIO MatrixBidirectional—
23GPIO0, GPIO MatrixBidirectional—
24GPIO4, GPIO MatrixBidirectional—
25VDD_SDIOPower—
26SD_DATA_2BidirectionalThis signal may be reserved by in-package flash or PSRAM on some ordering codes.
27SD_DATA_3BidirectionalThis signal may be reserved by in-package flash or PSRAM on some ordering codes.
28SD_CMDBidirectionalThis signal may be reserved by in-package flash or PSRAM on some ordering codes.
29SD_CLKBidirectionalThis signal may be reserved by in-package flash or PSRAM on some ordering codes.
30SD_DATA_0BidirectionalThis signal may be reserved by in-package flash or PSRAM on some ordering codes.
31SD_DATA_1BidirectionalThis signal may be reserved by in-package flash or PSRAM on some ordering codes.
32GPIO5, GPIO MatrixBidirectional—
33GPIO18, GPIO MatrixBidirectional—
34GPIO23, GPIO MatrixBidirectional—
35GPIO19, GPIO MatrixBidirectional—
36GPIO22, GPIO MatrixBidirectional—
37U0RXDBidirectional—
38U0TXDBidirectional—
39GPIO21, GPIO MatrixBidirectional—
40VDDAPower—
41XTAL_NInput—
42XTAL_PInput—
43VDDAPower—
44GPIO16, GPIO MatrixBidirectional—
45GPIO17, GPIO MatrixBidirectional—
46VDD3P3_CPUPower—
47GPIO6, GPIO MatrixBidirectional—
48GPIO7, GPIO MatrixBidirectional—
49GNDPower—

Official evidence

Official source: ESP32 product page Datasheet: ESP32 Series Datasheet

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