Powerful MCU: Microchip ATSAMD51P19 with ARM Cortex-M4F core running at 120MHz Reliable Wireless Connectivity: Equipped with Realtek RTL8720DN, dual-band 2.4Ghz / 5Ghz Wi-F Raspberry Pi 40-pin Compatible GPIO Compatible with over 300 plug&play Grove modules to explore with IoT USB OTG Support Support Arduino, Micropython, ArduPy, AT Firmware, Visual Studio Code TELEC certificate
Microcontroller SAM D21 Operating Voltage USB 5V Power Input Port USB Type C JST2.0 Lipo Battery SRAM 32 KBFlash 256 KB Recoverable fuse Protection current 1A Battery Charge Current 400 mA
Compatible with NUCLEO-F103RB, onboard Cortex-M3 microcontroller STM32F103RBT6 Arduino connectivity support, easy to connect with various Arduino shields and access the massive Arduino resources ST Morpho headers provide full access to all STM32 I/Os, easy for peripheral expansion Supports mbed, build prototype quickly by mbed SDK and online tools Comprehensive free software HAL library including a variety of software examples
4 USB Ports, Compatible with USB2.0/1.1 Onboard USB to UART, with enable/disable switch, convenient for Raspberry Pi serial debugging and avoiding conflict Onboard multi indicators, for monitoring the status of power, USB to UART, and each USB port
Driver-free, plug and play, compatible with OS including Windows, Mac OS, Linux, and Android Purpose-made for Raspberry Pi 4, compatible with other Raspberry Pi versions as well Comes with development resources and manual
LTE Cat-4, 3G, 2G Frequency Bands. LTE Cat-4: Up To 50Mbps (Uplink) / Up To 150Mbps (Downlink). 3G (HSPA+): Up To 5.76Mbps (Uplink) / Up To 42Mbps (Downlink). MP2128DT, MP1482 power chip NAU8810 audio decoder TXS0108EPWR voltage translator Satellite Bands: GPS/Beidou/GLONASS. Supports echo cancellation, noise reduction.
Operating voltage: 3.3V Communication interface: I2C Logic level: 3.3V LSF0204PWR:?4-ch voltage level translator RT9193-18:?1.8V linear regulator RT9193-33:?3.3V linear regulator
MAX705 monitoring circuit with auto-reset function Incorporates DS3231SN high precision RTC chip, with backup battery holder Reset pin selection for switching watchdog
