Beetle CM-32U4 - Compatible with Arduino Leonardo - ATmega32U4

The Beetle CM-32U4 micro Leonardo controller stands as a testament to efficiency and compact design, simplifying Arduino projects with its upgraded functionality and seamless usability. Encapsulated within a petite 22mm by 20.5mm frame, this clever board flourishes with an onboard charging chip and refined integration enhancements, embodying a leap forward from the previous DFRobot Beetle Board iteration. Its tailored design responds masterfully to the need for compact solutions without sacrificing the depth of capabilities typically reserved for larger controllers.

Despite its small stature, the Beetle CM-32U4 packs a serious punch. Think of it as a Swiss army knife in the world of microcontrollers, equipped with the most frequently utilized communication interfaces—1×I2C, 1×SPI, 1×UART, along with 2×analog, 2×digital interfaces, and dual GND reserves—all neatly crafted for pin connector configuration. This approach ensures a more user-friendly experience than traditional onboard pads. Additionally, compatibility with official Leonardo firmware allows for straightforward functionality via the Arduino IDE, eliminating the hassle of extra downloads.

Moreover, the integration of a lithium battery charging management system positions this board as an ideal candidate for projects demanding reliability and long life. Connecting a battery is as simple as a plug-and-play operation, thereby minimizing construction challenges. With versatile power supply options available—USB, battery pack via BAT pin, or a direct 5V external power supply through the VIN pin—the Beetle CM-32U4 aligns itself with a multitude of applications. Be it DIY projects, workshops, educational purposes, or even e-textile innovations, the board's rechargeable capabilities promote a continuous power experience, akin to an uninterrupted power supply.