*Google Releases Gemma 4 Models*
Google has released the Gemma 4, a new series of microcontrollers designed for IoT and wearable applications. The Gemma 4 is an upgrade to the previous Gemma 3 model, offering improved performance and new features.
*Key Features and Specifications*
The Gemma 4 is a compact, low-power microcontroller that measures 18.5mm x 24.5mm x 2.9mm. It is powered by an ARM Cortex-M4 processor, which operates at a frequency of 32 MHz. The microcontroller features 32KB of flash memory and 16KB of SRAM. The Gemma 4 also includes a range of peripherals, including an 8-bit ADC, a 10-bit DAC, and a capacitive touch sensor.
*Comparison to Gemma 3*
Compared to the Gemma 3, the Gemma 4 offers improved performance, with a faster processor and increased memory. The Gemma 4 also includes new features, such as a built-in USB interface and support for external SPI flash memory. The microcontroller is also more power-efficient, with a lower power consumption than the Gemma 3.
*Availability and Pricing*
The Gemma 4 is available for purchase on the Adafruit website, with prices starting at $19.95. The microcontroller is also available in various quantities, including 10, 25, and 50 packs. Google has also released a range of development boards and accessories for the Gemma 4, including a USB programmer and a breakout board.
*Conclusion*
The release of the Gemma 4 marks a significant upgrade to Google's microcontroller lineup. With its improved performance and new features, the Gemma 4 is an attractive option for developers working on IoT and wearable projects. The microcontroller's compact size and low power consumption also make it an ideal choice for battery-powered devices.