ESP32 V1 MicroPython Wifi Bluetooth Development Board

The ESP32 V1 MicroPython Development Board is a popular microcontroller board known for its robust wireless capabilities, including Wi-Fi and Bluetooth. Here’s an overview of its specifications:

Specifications:

• Microcontroller: ESP32
• Operating Frequency: 160 MHz to 240 MHz
• SRAM: 520 KB
• Flash Memory: 4MB
• Wireless Protocols:
  • Wi-Fi: 802.11 b/g/n (2.4 GHz)
  • Bluetooth: v4.2 BR/EDR and BLE

Power Specifications:

• Operating Voltage: 3.3V
• Input Voltage: 5V via Micro USB or 3.3V via Vin pin
• Current Consumption:
  • Active Mode: ~160-240 mA
  • Deep Sleep Mode: ~10 µA
• Power Supply Options:
  • USB: Micro USB port
  • Battery: LiPo battery via JST connector (some versions)

Connectivity:

• GPIO Pins: 30 to 36 pins (varies by board version)
  • Digital I/O: Up to 30 pins
  • Analog Inputs: 18 channels (12-bit ADC)
  • Analog Outputs: 2 channels (8-bit DAC)
  • PWM Pins: Up to 16 channels
  • Touch Sensor Pins: 10 pins
  • SPI, I2C, I2S, UART: Multiple peripherals supported
• Communication Interfaces:
  • UART: 2 (UART0, UART1)
  • SPI: 2 (HSPI, VSPI)
  • I2C: 2 (I2C0, I2C1)
  • I2S: 2 (for audio processing)

Memory:

• SRAM: 520 KB
• Flash: 4MB
• External Memory: Can be expanded using an SD card (via SDIO interface)

Wireless Connectivity:

• Wi-Fi:
  • Standard: 802.11 b/g/n/e/i
  • Frequency Range: 2.4 GHz – 2.5 GHz
  • Antenna: Integrated PCB antenna
• Bluetooth:
  • Bluetooth v4.2: Supports both Classic Bluetooth and BLE
  • Range: Typically up to 10 meters (varies by environment)

Software:

• Firmware: Pre-flashed with MicroPython firmware (also supports Arduino IDE, Espressif IoT Development Framework (ESP-IDF), and others)
• Programming Language: MicroPython
• Development Tools: uPyCraft, Thonny, Arduino IDE, ESP-IDF, and others

Peripheral Interfaces:

• USB Interface: Micro USB (for power and programming)
• JTAG Interface: For debugging
• SD Card Interface: Can support SD cards via SPI or SDIO interface
• LED: One on-board LED (usually connected to GPIO2)

Environmental Specifications:

• Operating Temperature: -40°C to +85°C
• Storage Temperature: -40°C to +85°C
• Humidity: 0% to 90% RH (non-condensing)

Other Features:

• Brownout Detection and Reset
• RTC (Real-Time Clock)