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In the impression of many people, Raspberry Pi is divided into Raspberry Pi 3 and Zero, and some people’s understanding is still stuck in Raspberry Pi 2;
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Recently, Raspberry Pi released a new compute module, Compute Module 3 (CM3), which is the first update since the release of the original module CM1 in early 2014, as shown in the picture below.
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The first version CM1 is based on Raspberry Pi 1, and the naming echoes that. Similarly, the new compute module follows the previous pattern, echoing the new generation Raspberry Pi 3, named CM3, although it should actually be the “second generation” in the product line (because the compute module has only gone through two iterations).
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CM3 module has two versions, one is the “standard” module CM3, and the other is the Lite module, priced at $30 and $25 respectively. This time the foundation does not set a purchase limit, which means you can buy freely, and the onlookers will cheer “Long live” because the limited purchase of Zero has caused us too much pain.
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CM3 module is equipped with a 1.2GHz BCM2837 processor, 1GB RAM, and 4G eMMC (eMMC: Embedded Multi Media Card) flash memory. In comparison, CM3L (hereinafter referred to as CM3 Lite) does not have built-in flash memory, but instead provides an SD card interface, allowing users to choose between eMMC or SD card as needed, which meets the needs of many old users for flash expansion. Even Raspberry Pi Foundation COO James Adams believes that “this version (CM3L) should be quite popular.”
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Compared to CM1, CM3’s CPU performance has increased to ten times that of the original, and the memory has doubled. Because, like Raspberry Pi 3, it supports Windows 10 IoT system.
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With each new generation of Raspberry Pi released, everyone is concerned about whether it can be compatible with the original. The good news is that CM3 and CM1 are fully compatible, but everyone should still pay attention to the following pins when using it.
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In addition to the new compute module, Raspberry Pi has also updated an I/O interface board—Compute Module IO Board V3 (CMIO3), which is compatible with CM1, CM3, and CM3L. In addition to basic interfaces such as MicroUSB, HDMI, and USB, CMIO3 also allows CM3 (L) users to manage flash memory or SD cards.
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The original intention of Raspberry Pi’s design was to promote programming education in the UK. Due to its stable cost-performance ratio, it has gradually extended to the maker and electronics enthusiast fields, and now has become a sword in the hands of makers.
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This time, CM3 reached a cooperation agreement with NEC before its official launch, and will launch commercial displays equipped with CM3 starting in January 2017, with sizes including 40 inches, 48 inches, and 55 inches, and even a 98-inch model will be launched by the end of 2017.
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The founder Eben Upton described the mission of the compute module as follows:
When you try to make a product that attracts consumers, you need to reduce its size. That step is not easy,
the design of the compute module is to solve this problem.
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Although the new compute module has not reduced in size, it undoubtedly has two more powerful hearts. It is estimated that besides new startups, geeks will also be eager to get it soon.