Data Sheet
1. Overview
Table 2: ESP32-WROOM-32D and ESP32-WROOM-32U Specifications
Categories Items Specifications
Certification
RF Certification FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC
Wi-Fi Certification Wi-Fi Alliance
Bluetooth certification BQB
Green Certification REACH/RoHS
Test Reliablity HTOL/HTSL/uHAST/TCT/ESD
Wi-Fi
Protocols
802.11 b/g/n (802.11n up to 150 Mbps)
A-MPDU and A-MSDU aggregation and 0.4 µs guard
interval support
Frequency range 2.4 GHz ~ 2.5 GHz
Bluetooth
Protocols Bluetooth v4.2 BR/EDR and BLE specification
Radio
NZIF receiver with –97 dBm sensitivity
Class-1, class-2 and class-3 transmitter
AFH
Audio CVSD and SBC
Hardware
Module interfaces
SD card, UART, SPI, SDIO, I
2
C, LED PWM, Motor
PWM, I
2
S, IR, pulse counter, GPIO, capacitive touch
sensor, ADC, DAC
On-chip sensor Hall sensor
Integrated crystal 40 MHz crystal
Integrated SPI flash
1
4 MB
Operating voltage/Power supply 2.7 V ~ 3.6 V
Operating current Average: 80 mA
Minimum current delivered by power
supply
500 mA
Recommended operating temperature
range
2
–40 °C ~ +85 °C
Notice:
1. ESP32-WROOM-32D and ESP32-WROOM-32U with 8 MB flash or 16 MB flash are available for custom order.
2. ESP32-WROOM-32D and ESP32-WROOM-32U with high temperature range (–40 °C ~ +105 °C) option are avail-
able for custom order. 4 MB SPI flash is supported on the high temperature range version.
3. For detailed ordering information, please see Espressif Product Ordering Information.
Espressif Systems 2 ESP32-WROOM-32D & ESP32-WROOM-32U Datasheet V1.8