Compact Raspberry Pi 3 Mini Features High Computing Capabilities

Compact Raspberry Pi 3 Mini Features High Computing Capabilities

Raspberry Pi SBCs are among the most popular development boards on the market today. Raspberry Pi is available in a variety of flavors, including the Raspberry Pi 2, 3, and 4, as well as the Raspberry Pi Zero boards. Initially, the Raspberry Pi 3 Board was housed in the TPCast-VR, a wireless Adapter for HTC Vive and Oculus Rift VR headsets. However, it paved its way into other applications, like FPV drones.

The new “Raspberry Pi 3 Mini” is not officially a Raspberry Pi board. Instead, it’s a customized Raspberry Pi variant with a small footprint akin to the Raspberry Pi Zero and computing capabilities comparable to the Raspberry Pi 3B. For video streaming applications, the Raspberry Pi 3 Mini seems to be the perfect option.

Raspberry Pi 3 Mini Back

The TPCast board is only 2×2 inches (5 x 5cm) in size and does not have the architecture of a standard Raspberry Pi board. The BCM2837 is the Broadcom chip used in the Raspberry Pi 3, and later models of the Raspberry Pi 2. The chip features a quad-core Arm Cortex-A53 processor, which operates at speeds up to 1.2GHz with Videocore IV GPU. Hence, this makes the device about 50% faster than the Raspberry Pi 2.

The board comes with a microSD card slot for memory storage and 1GB RAM of system memory. Moreover, a smaller 28-pin variant replaces the standard 40-pin GPIO header. This is a little bigger than the 26-pin version that came with the first Raspberry Pi.

Pinout Diagram of Raspberry Pi 3 Mini

Pinout of Raspberry Pi 3 Mini

Tom’s Hardware post has brought to our attention that, for power, there is no micro USB port; instead, the GPIO provides 5V and GND. As a result, the VR headset to which it is connected must include voltage regulation. There are no USB ports, HDMI connectors, or wireless interfaces, however, there is a four-pin AV port for composite video and stereo audio. Additionally, the hardware also comes with a CSI connector for Raspberry Pi cameras, and two USB 2.0 interfaces through a J12 header. Users have been utilizing this board with OpenHD open-source platform as a more powerful alternative to Raspberry Pi Zero since the FPV community discovered it.

As first spotted by CNX Software, the Raspberry Pi 3 Mini is available on FatBoyFPV at $24.99. For more information visit the product page. Images and technical specifications have also been taken from the product page.

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Saumitra Jagdale is a Backend Developer, Freelance Technical Author, Global AI Ambassador (SwissCognitive), Open-source Contributor in Python projects, Leader of Tensorflow Community India, and Passionate AI/ML Enthusiast

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