--- layout: default title: "ESP32-C3 bitBoard | DevBoard & Breadboard Power Supply Combo" --- {{ page.title }} ================ Discover new opportunities with the ESP32-C3 bitBoard

Unlock a world of innovative possibilities with the ESP32-C3 bitBoard. This versatile platform empowers developers to create cutting-edge applications, leveraging its advanced features and robust performance. Whether you're working on IoT projects, embedded systems, or automation tasks, the ESP32-C3 bitBoard offers the flexibility, power and quick implementation needed to bring your ideas to life.

Explore its capabilities and push the boundaries of your creativity and technical expertise.

Key Features:

## Schematic [Schematic](schematic.md) ## Specifications Details [Specs](specs.md) [Troubleshooting Steps](troubleshooting.md) ## Compatibility with MicroPython Integrating the ESP32-C3 bitBoard with MicroPython offers several compelling benefits: 1. __Ease of Use:__ MicroPython simplifies the development process by allowing developers to write code in Python, a high-level, easy-to-read programming language. This reduces the learning curve for beginners and accelerates development for experienced programmers. 2. __Rapid Prototyping:__ With MicroPython, developers can quickly prototype and test their ideas. The interactive REPL (Read-Eval-Print Loop) enables immediate feedback and debugging, making it easier to iterate and refine projects. 3. __Extensive Libraries:__ MicroPython comes with a rich set of libraries that support various functionalities, including networking, sensor interfacing, and data processing. This extensive library support allows developers to leverage pre-built modules and focus on the unique aspects of their projects. 4. __Cross-Platform Compatibility:__ MicroPython code can be easily ported across different hardware platforms that support MicroPython. This cross-platform compatibility ensures that projects developed on the ESP32-S3 UNO can be adapted to other MicroPython-compatible boards with minimal changes. 5. __Community Support:__ The MicroPython community is active and growing, providing a wealth of resources, tutorials, and forums for troubleshooting and collaboration. This community support can be invaluable for both novice and experienced developers. 6. __Efficient Resource Management:__ MicroPython is designed to run efficiently on microcontrollers, making it well-suited for resource-constrained environments. It allows developers to manage memory and processing power effectively, ensuring optimal performance of their applications. 7. __Enhanced Connectivity:__ The ESP32-C3 Development Board offers robust connectivity options, including Wi-Fi and Bluetooth. MicroPython's networking libraries make it straightforward to implement IoT applications, enabling seamless communication between devices. 8. __Versatility:__ Combining the ESP32-C3 Development Board with MicroPython opens up a wide range of applications, from simple sensor monitoring to complex automation systems. The versatility of this fusion allows developers to explore diverse project ideas and innovate freely. 9. __Educational Value:__ MicroPython's simplicity and the ESP32-C3's capabilities make this combination an excellent educational tool. It provides a practical platform for learning programming, electronics, and IoT concepts, fostering a deeper understanding of technology. 10. __Cost-Effective Development:__ Both the ESP32-C3 Development Board and MicroPython are cost-effective solutions, making them accessible to hobbyists, educators, and professionals alike. This affordability encourages experimentation and innovation without significant financial investment. ## Features and Specifications of the ESP32-C3 WROOM Module __Core Components:__ - Microprocessor: RISC-V® single-core 32-bit microprocessor, operating up to 160 MHz. - Memory: - 384 KB ROM - 400 KB SRAM - 8 KB SRAM in RTC __Connectivity:__ - Wi-Fi: - 802.11b/g/n, up to 150 Mbps (802.11n), frequency range: 2412 ~ 2484 MHz - Four virtual Wi-Fi interfaces - simultaneous support SoftAP mode, Station + SoftAP mode and promiscuous mode - Bluetooth: - Bluetooth 5, Bluetooth mesh, 125 Kbps, 500 Kbps, 1 Mbps, 2 Mbps - Features: Advertising extensions, multiple advertisement sets, channel selection algorithm #2 - Co-existence mechanism: Internal co-existence mechanism between Wi-Fi and Bluetooth to share the same antenna __Security:__ - RSA-3072-based secure boot and the AES-128/256-XTS flash encryption __Peripherals:__ - GPIOs: Up to 22 GPIOs, including 4 strapping GPIOs - Interfaces: - SPI - Two __UART__ - __I2C__ - __I2S__ - __LED PWM__, up to 6 channels - Full-speed USB 2.0 OTG - USB Serial/JTAG controller - TWAI® controller (compatible with ISO 11898-1) - 12-bit __ADC__, up to 6 channels - Touch sensor - Temperature sensor - Two 54-bit general purpose timers - Three digital and one analog watchdog timers __Integrated Components:__ - Crystal Oscillator: 40 MHz - Flash: Up to 16 MB Quad SPI flash - Antenna: on-board PCB antenna __Operating Conditions:__ - Operating Voltage: 3.0 ~ 3.6 V - Ambient Temperature: –40 ~ 65 °C __Certifications:__ RF Certification: Various certifications available Green Certification: RoHS/REACH compliant __Applications:__ Ideal for AI and Artificial Intelligence of Things (AIoT) applications such as: Wake word detection Speech commands recognition Face detection and recognition Smart home devices Smart appliances Smart control panels Smart speakers ## Reserver GPIOs and Pins | GPIO | ESP32-C3 Module Pin | bitBoard Pin | Designation | | --- | --- | --- | --- | | EN | 1 | 2 | Enable pin | | IO9 | 8 | 8 | Strapping pin | | IO8 | 5 | 7 | Strapping pin | | IO18 | 11 | 13 | USB D- | | IO19 | 9 | 14 | USB D+ | | IO10 | 7 | 10 | On-board user LED | | IO3 | 13 | 15 | On-board user tactile switch | ## I2C Pins The schematic excerpt provided below illustrates the wiring configuration for the __SDA__ and __SCL__ lines. Specifically, the __SDA__ line is connected to _GPIO 8_, while the __SCL__ line is connected to _GPIO 9_ on the ESP32-C3 Wroom module. The image of the PCB board below depicts the physical locations of the __SDA__ and __SCL__ terminals. ``` C i2c_config_t conf = {     .mode = I2C_MODE_MASTER,     .sda_io_num = 8,     .scl_io_num = 9,     .sda_pullup_en = GPIO_PULLUP_ENABLE,     .scl_pullup_en = GPIO_PULLUP_ENABLE,     .master.clk_speed = 100000, }; i2c_param_config(I2C_NUM_0, &conf); i2c_driver_install(I2C_NUM_0, conf.mode, 0, 0, 0); ``` ### Micropython LED Blinky Code ``` python import esp, esp32, time, os, _thread from machine import Pin, SoftI2C # An infinite loop thread to blink LED def status_led(): # Blink pattern blink-blink-pause while True: led.value(1) time.sleep_ms(250) led.value(0) time.sleep_ms(250) led.value(1) time.sleep_ms(250) led.value(0) time.sleep_ms(750) def connect_wifi(): import network wlan = network.WLAN(network.WLAN.IF_STA) wlan.active(True) if not wlan.isconnected(): print('connecting to network...') wlan.connect('IoT_bots', '208208208') while not wlan.isconnected(): pass print('Network Config:', wlan.ipconfig('addr4')) # Display information about ESP32S3 module print("=====================================\n") print(os.uname()) print("\n=====================================") print("Flash size: ", esp.flash_size()/1024/1024, "Mb") print("MCU Temperature: {:4.1f} C".format(esp32.mcu_temperature())) connect_wifi() # Configure LED pin and start the blinky loop thread #led = Pin(45, Pin.OUT) #led.value(0) #_thread.start_new_thread(status_led, ()) ```