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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)

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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