آر اف (فرکانس رادیویی) و بی‌سیم ماژول‌ فرستنده‌گیرنده و مودم آر اف

Product Attributes

Introduction

This module is a 2.4 GHz Wi-Fi + Bluetooth + BLE module with an integrated ESP32 series chip, featuring an Xtensa dual-core 32-bit LX6 processor, optional 4/8/16 MB flash, 26 GPIOs, rich peripherals, and an onboard PCB antenna or external antenna connector.

Features

• Onboard ESP32-DOWD-V3 or ESP32-DOWDR2-V3 chip, Xtensa dual-core 32-bit LX6 microprocessor, supporting clock frequencies up to 240MHz
• 448KB ROM
• 520KB SRAM
• 16KB RTC SRAM
• 802.11b/g/n
• Data rate up to 150Mbps in 802.11n mode
• A-MPDU and A-MSDU aggregation support
• 0.4 µs guard interval
• Operating channel center frequency range: 2412～2484MHz
• Bluetooth V4.2 BR/EDR and Bluetooth LE
• Class-1, Class-2, and Class-3 transmitters
• AFH, CVSD, and SBC
• Up to 26 GPIOs
• 5 strapping pins
• SD card, UART, SPI, SDIO, I2C, LED PWM, motor PWM, I2S, IR, pulse counter, GPIO, capacitive touch sensor, ADC, DAC, TWAI (compatible with ISO11898-1, i.e., CAN Specification 2.0)
• 40MHz crystal oscillator
• 4/8/16 MB SPI flash (optional)
• ESP32-DOWDR2-V3 chip includes an additional built-in 2MB PSRAM
• ESP32-WROOM-32E: onboard PCB antenna
• ESP32-WROOM-32UE: external antenna via connector
• Operating/supply voltage: 3.0~3.6 V
• Operating temperature: 85°C variant: -40~85°C; 105°C variant: -40~105°C. Note: only modules with built-in 4/8MB flash support the 105°C variant; modules with 16MB flash do not yet support the 105°C variant.
• Bluetooth certification: BQB
• Environmental certification: REACH/RoHS
• HTOL/HTSL/uHAST/TCT/ESD

Applications

• Smart Home
• Industrial Automation
• Healthcare
• Consumer Electronics
• Smart Agriculture