Since the launch of the Raspberry Pi, there have been many similar products coming out so that more people can learn programming at low cost. The BBC also announced the final design of the Micro Bit, a super-charming computer that can be inserted into the pocket.
Previously, the BBC said that Micro Bit is a highly flexible and programmable embedded device created for the purpose of “helping this generation become a coder, programmer and pioneer in the development of digitalization in the futureâ€. Programming education. Today, the author is fortunate to receive the kit provided by the element14, and let us find out now.
(Received Micro:bit box)
Open the kit box, inside is a 5x4 cm circuit board, battery, USB data cable, you can see that the hardware is very small, but don't underestimate it.
We know that the Raspberry Pi 3 uses a 1.2GHz 64-bit quad-core ARM Cortex-A53 processor, Broadcom Videocore IV graphics card and 1GB of memory. The BBC Micro Bit uses a 32-bit ARM Cortex M0 processor and 16KB of memory. The latter uses the smallest processing chip in the ARM camp, which is not only very energy efficient, but also easy to program, but its performance is much lower than the Cortex-A53 used in the Raspberry Pi3.
In fact, Micro Bit can be seen as the gateway to the Raspberry Pi 3 device. Micro bit has a series of novel features, the development board is small (5cm X 4cm), but integrated with a wide range of electronic modules: 5x5 LED Display, two programmable buttons, accelerometer, electronic compass, temperature light sensor, Bluetooth low energy, etc.
For example, 25 red LEDs that can display messages; there are two programmable buttons that can be used to control game operations or pause/play a piece of music, detect motion and tell you where the action is going, and it can also pass low power Bluetooth module is connected to other devices or the Internet!
Of course, the BBC Micro Bit needs to interact with other devices rather than working as a standalone system. Micro Bit uses a 32-bit ARM Cortex M0 processor, which uses the smallest processing chip in the ARM camp, which is not only very energy efficient, but also easy to program.
The BBC Micro Bit has only five I/O rings, and the user needs to use a spring clip to connect it to other devices, such as sensors or robots. But the presence of Bluetooth makes it possible to wirelessly connect to a mobile phone or other device, and the presence of an accelerometer and compass allows it to be used for running direction or action-based games.
Summary: BBC Micro Bit is an embedded software platform that does not run a full operating system. Any cool gizmo can be implemented with BBC micro:bit, no matter whether it is a robot or a musical instrument. The highlights are as follows: 1.Micro Bit supports almost all PCs and mobile devices; 2.Micro Bit can be integrated into many portable projects due to its small size; 3. Flexible design, suitable for programming and learning.
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