Beetle ESP32-C3, mainly intended for IoT applications, is a controller based on ESP32-C3 RISC-V 32bit single-core processor. On a coin-size board of 25 x 20.5 mm, there are up to 13 IO ports broken out, so you don't have to worry about running out of IO ports when making projects. Meanwhile, the li-ion battery charging management function is integrated on the board which allows for directly connecting the li-ion battery without extra modules, while ensuring the application size and safety. The equipped expansion board for Beetle ESP32-C3 brings out more power sources without increasing product volume, more convenient for solder. Besides, the onboard easy-to-connect GDI saves the trouble of wiring when using a screen. Beetle ESP32-C3 supports WiFi and Bluetooth 5 (LE) dual-mode communication that reduces the difficulty of networking, and also both Bluetooth Mesh protocol and Espressif WiFi Mesh are supported for more stable communication and a larger coverage area. Detailed tutorials for Beetle ESP32-C3 are provided for users to use the controller’s WiFi function, such as connecting to IoT platforms like Aliyun, IFTTT, etc. Or users can use various sensors and actuators from DFRobot to build up IoT systems. Beetle ESP32-C3 can be programmed by Arduino IDE, ESP-IDF, MicroPython, C, and Python are both supported. FEATURES Small size of 25 x 20.5 mm Onboard Lithium charging management function, safer charging and discharging Comes with expansion board, more convenient to make projects or use with a screen RISC-V 32bit core Support WiFi and Bluetooth 5(LE) dual-mode communication SPECIFICATION Basic Parameter Operating Voltage: 3.3V Type-C Input Voltage: 5V DC VIN Input Voltage: 5V DC Operating Current: 25mA Maximum Charging Current: 400mA Operating Temperature: -40~105℃ Size: 25 x 20.5mm/0.98 x0.81” Hardware Parameter Processor: 32bit RISC-V Single-core processor Main Frequency: 160 MHz SRAM: 400KB ROM: 384KB Flash: 4MB RTC SRAM: 8KB Clock: external crystal(32kHz); internal fast RC oscillator 17.5MHz(adjustable); PLL clock USB: USB 2.0 Up to 12Mbit/s WiFi WiFi Protocol: IEEE 802.11b/g/n Bandwidth: Supports 20 MHz, 40 MHz bandwidth in 2.4GHz band WiFi Mode: Station, SoftAP, SoftAP+Station and promiscuous mode WiFi Frequency: 2.4GHz Frame Aggregation: TX/RX A-MPDU, TX/RX A-MSDU Bluetooth Bluetooth Protocol: Bluetooth 5, Bluetooth mesh Bluetooth Frequency: 125 Kbps, 500 Kbps, 1 Mbps, 2 Mbps Ports Digital I/O x13 LED PWM 6 Channel SPI x1 UART x2 I2C x1 I2S x1 IR Transceiver: transmit channel x2, receive channel x2(random pin) 2 × 12-bit SAR ADCs, up to 6 channels DMA controller, with 3 transmit channels and 3 receive channels DOCUMENTS Product wiki Datasheets Hardware Schematics SHIPPING LIST Beetle ESP32-C3 x1 Beetle ESP32-C3 Expansion Board x1 2.54-8P Black Single-row Pin Connector x1 TUTORIAL Beetle Controller Selection Guide
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