ESP32-WROOM-32UE

ESP32-WROOM-32UE-H4

RF Transceiver Modules and Modems18.0 × 19.2 × 3.2 mm

MODULE WIFI+BT 2.4GHZ 4MB FLASH 18X19.2MM

ESP32-WROOM-32UE-H4 is a 2.4 GHz Wi-Fi + Bluetooth + Bluetooth LE module based on ESP32 dual-core SoC, with 4 MB Flash, operating voltage 3.0~3.6 V, operating temperature -40~105 °C, and external antenna connector.Checked against the datasheet

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Technical parameters

Datasheet-verified parameters

20 items

Parameter	Value and test conditions	Source
Package	18.0 × 19.2 × 3.2 mm
Operating ambient temperature	-40 ~ 105 °C (105 °C version)
RoHS	Compliant (Green certification: REACH/RoHS)
REACH	Compliant (Green certification: REACH/RoHS)
Power supply voltage	Min: 3.0 V, Typ: 3.3 V, Max: 3.6 V
Absolute Maximum Ratings Voltage	Min: -0.3 V, Max: 3.6 V
Storage temperature	Min: -40 °C, Max: 105 °C
Current delivered by external power supply	Min: 0.5 A
Flash	4 MB (Quad SPI)
Antenna Options	External antenna via a connector
Certification	Bluetooth certification: BQB; RF certification: See certificates; Green certification: REACH/RoHS
Pin capacitance	Typ: 2 pF (3.3 V, 25 °C)
High-level input voltage	Min: 0.75 × VDD, Max: VDD + 0.3 V (3.3 V, 25 °C)
Low-level input voltage	Min: -0.3 V, Max: 0.25 × VDD (3.3 V, 25 °C)
High-level input current	Max: 50 nA (3.3 V, 25 °C)
Low-level input current	Max: 50 nA (3.3 V, 25 °C)
High-level output voltage	Min: 0.8 × VDD (3.3 V, 25 °C)
Low-level output voltage	Max: 0.1 × VDD (3.3 V, 25 °C)
Processor	Xtensa dual-core 32-bit LX6 microprocessor
GPIOs	26 GPIOs

All parameters (8)ExpandCollapse

Environment and package
Ambient Temp.	-40 ~ 105 °C
Size	18.0 × 19.2 × 3.2 mm
Other
Bluetooth	Bluetooth V4.2 BR/EDR and Bluetooth LE
CPU	Xtensa dual-core 32-bit LX6 microprocessor, up to 240 MHz
Flash	4 MB (Quad SPI)
GPIOs	Up to 26 GPIOs
VDD33	3.0 ~ 3.6 V
Wi-Fi	802.11b/g/n

Pinout and package

Figure 3: Pin Layout (Top View… — Package: **18.0 × 19.2 × 3.2 mm**

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DatasheetDatasheet · 1.2 MB · 2026-10-29

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