ESP32 WROOM32 (38 Pins) Development Board CH340 USB Type-C
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The ESP32-DevKitC-32 development board, featuring the ESP32-WROOM-32 module, is a versatile and powerful platform ideal for a wide range of IoT applications. It is equipped with the ESP32-DOWDQ6-V3 dual-core 32-bit microcontroller, which supports both WiFi and Bluetooth functionality, making it suitable for wireless communication projects.
The board includes 520KB SRAM, 448KB ROM, and 4MB external flash storage, providing ample memory for complex applications. Featuring a USB-C connection with the CH340 USB driver chip, the board ensures fast, stable, and reliable data transfer, simplifying the development process. The board supports multiple power supply options, including USB-C (5V), VIN (5V-12V), and 3.3V external supply. With a compact size of 52 x 28mm and a weight of about 9.5g, this board is ideal for IoT projects such as home automation, wireless control systems, and more. It supports multiple development environments, including Arduino IDE, Mixly, Mind+, and Python, providing flexibility for developers.
Features:
- Dual-Core 32-bit CPU: Up to 240MHz, delivering 600 DMIPS performance.
- Wireless Connectivity: Supports WiFi (802.11b/g/n) and Bluetooth 4.2 (BR/EDR and BLE).
- Multiple Interfaces: Includes UART, SPI, I2C, PWM, DAC, ADC, and more.
- Low Power Modes: Deep sleep mode with current consumption as low as 6.5µA.
- Software Support: Compatible with FreeRTOS, LwIP, and NodeMCU.
- Programming Flexibility: Works with Arduino IDE, Mixly, Mind+, Python, and other software tools.
- OTA Support: Remote firmware upgrades (FOTA).
- Onboard Sensors: Hall sensor, temperature sensor, capacitive touch sensor.
- Debugging Support: OpenOCD debugging interface.
- Power Supply Options: USB-C (5V), VIN (5V-12V), and 3.3V external power supply.
- Multiple Network Modes: STA, AP, STA+AP modes supported.
- Security Features: WPA/WPA2/WPA2 Enterprise/WPS.
- Compact and Portable: Small form factor (52 x 28mm) and lightweight (9.5g).
Specifications:
- SPI Flash: 32Mbit.
- Bluetooth: Bluetooth 4.2 BR/EDR and BLE standards.
- Interfaces Supported: UART, SPI, I2C, SDIO, PWM, I2S, IR, ADC, DAC.
- On-Chip Sensors: Hall sensor, temperature sensor, capacitive touch sensor.
- GPIO Pins: 22 programmable pins.
- Serial Port Rate: 115200 bps (default).
- Spectrum Range: 2412–2484 MHz.
- Antenna: Integrated PCB antenna with 2 dBi gain.
- Transmit Power:
- 802.11b: 17 ± 2dBm (11Mbps)
- 802.11g: 14 ± 2dBm (54Mbps)
- 802.11n: 13 ± 2dBm (MCS7)
- Receive Sensitivity:
- 1Mbps (CCK): -90dBm
- 11Mbps (CCK): -85dBm
- 54Mbps (CCK): -70dBm
- Power Consumption: 300mA at 3.3V.
- Security: WPA/WPA2/WPA2 Enterprise/WPS.
- Power Supply Range:
- USB-C: 5V.
- Pin Power: 5V–12V.
- Operating Temperature: -20°C to 85°C.
- Storage Temperature: -40°C to 90°C.
- Product Size: 52 x 29 x 15 mm.
Comparison:
| Feature | ESP32 | ESP32-S2 | ESP32-S3 |
|---|---|---|---|
| Processor | Dual-core Tensilica LX6 (240 MHz) | Single-core Tensilica LX7 (240 MHz) | Dual-core Tensilica LX7 (240 MHz) |
| RAM | 520 KB SRAM | 320 KB SRAM | 512 KB SRAM |
| Flash Memory | Up to 16 MB | Up to 16 MB | Up to 16 MB |
| PSRAM | Optional | Optional | Up to 8 MB |
| Wi-Fi | Wi-Fi 4 (802.11 b/g/n, 2.4 GHz) | Wi-Fi 4 (802.11 b/g/n, 2.4 GHz) | Wi-Fi 4 (802.11 b/g/n, 2.4 GHz) |
| Bluetooth | Bluetooth 4.2 (Classic + BLE) | None | Bluetooth 5.0 LE |
| USB Support | None | USB OTG | USB OTG |
| GPIO Pins | 34 GPIO | 43 GPIO | 45 GPIO |
| Security Features | - Secure Boot | - Secure Boot | - Secure Boot |
| - Flash Encryption | - Flash Encryption | - Flash Encryption | |
| - Digital Signature | - Digital Signature | - Digital Signature | |
| AI/ML Capabilities | None | None | Yes (Neural Network Processor, Vector Acceleration) |
| I/O Interfaces | UART, SPI, I2C, ADC, DAC, CAN | UART, SPI, I2C, ADC, DAC, USB OTG | UART, SPI, I2C, ADC, DAC, USB OTG |
| Power Consumption | Moderate | Lower than ESP32 | Similar to ESP32-S2 |
| Operating Voltage | 3.3V | 3.3V | 3.3V |
| Notable Features | - Dual-core for multitasking | - Low-power single-core | - AI/ML processing |
| - Bluetooth Classic + BLE | - USB OTG | - Improved Bluetooth 5.0 support | |
| Applications | IoT, general-purpose devices, audio | Low-power IoT, USB devices | AIoT, high-performance IoT, smart devices |
| Use Cases | General-purpose IoT, audio devices | Low-power applications with USB | Edge AI/ML, high-performance applications |
Key Applications:
- ESP32: A powerful, dual-core microcontroller suitable for applications needing both Wi-Fi and Bluetooth Classic/BLE support. Ideal for general-purpose IoT.
- ESP32-S2: A low-power single-core option without Bluetooth but with USB OTG support, making it suitable for battery-powered IoT devices and USB-based applications.
- ESP32-S3: A high-performance dual-core option with AI/ML capabilities, improved Bluetooth 5.0, and USB OTG, designed for edge computing and AIoT applications.
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General Questions
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What is the latest price of the ESP32 WROOM32 (38 Pins) Development Board CH340 USB Type-C in Bangladesh?
The latest price of ESP32 WROOM32 (38 Pins) Development Board CH340 USB Type-C in Bangladesh is BDT 680.00 . You can buy the ESP32 WROOM32 (38 Pins) Development Board CH340 USB Type-C at the best price on BDTronics.com or contact us via phone.
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