# A zero-CPU-Overhead OV7725 Camera Streaming Library for RP2350 (90fps)

> Source: <https://blog.adafruit.com/2026/07/16/a-zero-cpu-overhead-ov7725-camera-streaming-library-for-rp2350-90fps/>
> Published: 2026-07-16 14:32:30+00:00

The OV7725_CPUfree_Camera Arduino library captures images from OV7725 camera without using CPU at all on the RP2350 microcontroller. By leveraging DMA and PIO automation, both CPU cores of RP2350 can be dedicated to tasks like AI/ML and real-time processing without being interrupted by camera capture. CPU-Free Camera Capture Dual-Buffer Architecture Fixed 90 FPS Streaming Color […]