ESP32-E WROOM Dual-Core 4MB Wi-Fi And Bluetooth. ESP32 er en serie af billige, lavt strømforbrugende mikrocontrollere med integreret Wi-Fi og dual-mode Bluetooth. ESP32-serien anvender enten en Tensilica Xtensa LX6 mikroprocessor i både dual-core og single-core variationer, Xtensa LX7 dual-core mikroprocessor eller en single-core RISC-V mikroprocessor og inkluderer indbyggede antennekontakter, RF balun , effektforstærker, støjsvag modtageforstærker, filtre og strømstyringsmoduler.
ESP32-WROOM-32E integrates ESP32-D0WD-V3, and has a higher stability and security performance. It 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 decoding.
Tekniske detaljer:
Additional features
- Module interfaces: SD card, UART, SPI, SDIO, I2C, LED PWM, Motor PWM, I2S, IR, pulse counter, GPIO, capacitive touch sensor, ADC, DAC
- 4 MB SPI flash
- Operating voltage/Power supply: 3.0 V ~ 3.6 V
- Recommended operating temperature range: –40 °C ~ +85 °C
MCU
- ESP32-WROOM-32E contains a dual-core Xtensa® 32-bit LX6 MCU.
- 448 KB of ROM for booting and core functions.
- 520 KB of on-chip SRAM for data and instructions.
- 8 KB of SRAM in RTC, which is called RTC FAST Memory and can be used for data storage; it is accessed by the main CPU during RTC Boot from the Deep-sleep mode.
- 8 KB of SRAM in RTC, which is called RTC SLOW Memory and can be accessed by the co-processor during the Deep-sleep mode.
- 1 Kbit of eFuse: 256 bits are used for the system (MAC address and chip configuration) and the remaining 768 bits are reserved for customer applications, including flash-encryption and chip-ID.
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
Applications
- Speech Recognition
- Image Recognition
- Mesh Network
- Home Automation
- Light Control
- Smart Plugs
- Smart Doorlocks
- Industrial Wireless Control
- Industrial Robotics
- POS Machines
- Service Robots
- Smart Watches
- Smart Bracelets
- Health Monitoring
- Baby Monitors
Warnings:
– This module requires a 3.3 volt supply for VCC, and 3.3V logic.
– It is not 5V tolant.
– You must use a logic level converter, or a 3.3V Arduino
– The 3.3V supply on the Arduino Uno has inadequate current capabilit to power this module.
– You must provide a separate,higher 3.3V supply(about 300mA or better)
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