Note: ESP32-WROOM-32 has new printing font on surface, it's same product as ESP-WROOM-32
Product Introduction
ESP32-WROOM-32 is a powerful, generic Wi-Fi+BT+BLE MCU module that targets a wide variety of applications,ranging from low-power sensor networks to the most demanding tasks, such as voice encoding, music streaming and MP3
At the core of this module is the ESP32-D0WDQ6 chip*. The chip embedded is designed to be scalable and
adaptive. There are two CPU cores that can be individually controlled, and the CPU clock frequency is adjustable from 80 MHz to 240 MHz. The user may also power off the CPU and make use of the low-power co-processor to constantly monitor the peripherals for changes or crossing of thresholds. ESP32 integrates a rich set of peripherals,ranging from capacitive touch sensors, Hall sensors, SD card interface, Ethernet, high-speed SPI, UART, I2S and I2C.
At the core of this module is the ESP32-D0WDQ6 chip*. The chip embedded is designed to be scalable and
adaptive. There are two CPU cores that can be individually controlled, and the CPU clock frequency is adjustable from 80 MHz to 240 MHz. The user may also power off the CPU and make use of the low-power co-processor to constantly monitor the peripherals for changes or crossing of thresholds. ESP32 integrates a rich set of peripherals,ranging from capacitive touch sensors, Hall sensors, SD card interface, Ethernet, high-speed SPI, UART, I2S and I2C.
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 | RoHS/REACH | |
| 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 senso | Hall sensor | |
| On-board clock | 40 MHz crystal | |
|
Operating voltage/ Power supply |
2.7 ~ 3.6V | |
| Operating curren | Average: 80 mA | |
|
Minimum current delivered by power supply |
500 mA | |
|
Recommended operating tem- perature range |
–40°C ~ +85°C | |
| Package size | (18.00±0.10) mm x (25.50±0.10) mm x (3.10±0.10) mm |
Pin layout
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