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ESP32 Wireless Wifi Bluetooth Development Board unsoldered

ESP32 Wireless Wifi Bluetooth Development Board unsoldered


The ESP32 is a powerful low-power IoT sensor hub and a capable alternative to the Arduino. It features an Xtensa® dual-core 32-bit LX6 microprocessor running at 240MHz, integrated WiFi and Bluetooth, and can be programmed using the Arduino IDE through an ESP32 add-on.

It also supports SPI / SDIO or I2C / UART interfaces to provide WiFi and Bluetooth functionality to other systems. It comes preloaded with the AT command set, similar to the ESP8266. The chip operates between 2.3V and 3.6V (recommended 3.3V) and requires an output current of 500 mA or more.

Package Includes:

  • 1 x ESP32 Development Board (unsoldered)

26.00 AED 26.00 AED Tax Included
26.00 AED Tax Included

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Features:

  • 240 MHz dual-core Tensilica LX6 microcontroller (600 DMIPS)
  • Integrated 520 KB SRAM
  • Integrated 802.11 b/g/n HT40 Wi-Fi transceiver, baseband, stack, and LwIP
  • Integrated dual-mode Bluetooth (classic and BLE)
  • 16 MB flash, memory-mapped to the CPU code space
  • Operating voltage: 2.3V to 3.6V
  • Operating temperature: -40°C to +125°C
  • Onboard PCB antenna / IPEX connector for external antenna

Sensors:

  • Ultra-low noise analog amplifier
  • Hall sensor (magnetic field detection)
  • 10x capacitive touch interfaces
  • 32 kHz crystal oscillator

GPIOs and Interfaces:

  • 34 x GPIO: Configurable for digital input/output, PWM, I2C, SPI, UART, etc.
  • 3 x UART (with hardware flow control)
  • 3 x SPI
  • 2 x I2S
  • 18 x ADC channels (12-bit SAR ADCs)
  • 2 x DAC (8-bit)
  • 2 x I2C
  • Infrared Remote Control support
  • PWM/timer on every GPIO
  • OpenOCD debug interface with 32 kB TRAX buffer
  • SDIO master/slave (50 MHz)
  • Supports external SPI flash up to 16 MB
  • SD-card interface support

Power Pins:

  • VIN: Input 5V regulated supply for ESP32 and peripherals
  • 3.3V: Output from onboard regulator, can be used to power external components
  • GND: Ground

Pin Functionality:

  • GPIOs: 25 configurable pins
  • Internal pull-up/down or high-impedance configurable
  • Interrupt triggering by edge or level

Analog and Touch:

  • ADC: 12-bit resolution across 15 channels
  • DAC: Two 8-bit channels for analog output
  • TouchPads: 9 capacitive sensing GPIOs

Communication Interfaces:

  • UART: UART0 and UART2 support RS232, RS485, IrDA up to 5 Mbps
  • SPI: SPI, HSPI, and VSPI with 80 MHz support and 64-byte FIFO

PWM:

  • 25 PWM channels (almost every GPIO)
  • Used for controlling motors, LEDs, etc.
  • Includes PWM timers and operators for waveform generation

Enable Pin:

  • EN: Pull HIGH to enable the chip; pull LOW for minimum power operation

 

 

 

Features

  • LoRa SX1276 Wireless Module: Built around the SX1276 chip, the module employs LoRa technology, allowing for long-range data transmission and excellent penetration capabilities.
  • Configurable Output Power: The module's output power can be adjusted from +13 to +20 dBm (up to 100 mW) through software settings, providing flexibility in balancing communication distance and power consumption.
  • Low Power Consumption: During transmission, power consumption ranges from 50mA (+13 dBm) to 150mA (+20dBm), while in listening mode, it requires approximately 30mA, making it energy-efficient for battery-operated applications.
  • AES-128 Encryption Support: The module offers AES-128 encryption, ensuring secure and private data transmission, making it suitable for applications that require data confidentiality.
  • Multipoint Network Capabilities: It supports multipoint networks, allowing the establishment of individual nodes within the network for seamless and efficient communication.
  • Wide Power Supply Range: The module can be powered with a voltage range from 3V to 5V, making it compatible with various power sources and microcontrollers.

NOTE: It is important to solder a 16cm length of cable to the antenna pin before using it since not connecting any antenna can damage it. Optionally, the board has pads to solder an SMA connector with antenna thread.

Specifications

  • LoRa SX1276 wireless module with SPI interface (900 MHz)
  • Output power: +13 to +20 dBm up to 100 mW configurable by software
  • Consumption: 50mA (+13 dBm) to 150mA (+20dBm) in transmission, approx 30mA in listening
  • Supports AES-128 encryption
  • Supports multipoint networks with individual nodes
  • Power: 3 to 5V