Open Hardware/Modding: RISC-V, Raspberry Pi, and More
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IAR Systems and Codasip collaborate to enable low-power RISC-V based applications
IAR Systems®, the world leader in software tools and services for embedded development, and Codasip, the leading supplier of customizable RISC-V processor IP, today announced their partnership enabling joint customers to build low-power embedded applications based on RISC-V. Following this, version 2.11 of IAR Embedded Workbench® for RISC-V now supports the L30 and L50 processors from Codasip. The L30 and L50 are small and energy-efficient low-power embedded processor cores from Codasip, all fully customizable and adaptable to the unique needs of a project.
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Want to buy your own piece of the Pi? No 'urgency' says Upton of the listing rumours
Industry talk is continuing to circulate regarding a possible public listing of the UK makers of the diminutive Raspberry Pi computer.
Over the weekend, The Telegraph reported that a spring listing could be in the offing, with a valuation of more than £370m.
Pi boss, Eben Upton, described the newspaper's article as "interesting" in an email to The Register today, before repeating that "we're always looking at ways to fund the future growth of the business, but the $45m we raised in September has taken some of the urgency out of that."
Mutterings regarding a potential IPO emerged earlier in 2021 - Upton waved off rumours in March 2021, but things have moved on during the rest of the year.
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Smart Ruler Has Many Features | Hackaday
For those of us who remember old ball mice, they were a lot like modern optical mice except that they needed to be cleaned constantly. Having optical mice as a standard way of interacting with a computer is a major improvement over previous eras in computing. With extinction of the ball mouse, there are an uncountable number of cheap optical mice around now which are easy pickings for modern hacking, and this latest project from [Vipul] shows off some of the ways that optical mice can be repurposed by building a digital ruler.
The build seems straightforward on the surface. As the ruler is passed over a surface the device keeps track of exactly how far it has moved, making it an effective and very accurate ruler. To built it, the optical component of a mouse was scavenged and mated directly to a Raspberry Pi Zero W over USB. Originally he intended to use an ESP32 but could not get the USB interface to work. [Vipul] was then able to write some software which can read the information from the mouse’s PCB directly and translate it into human-readable form where it is displayed on a small screen. The entire device is housed in a custom 3D-printed enclosure to wrap everything up, but the build doesn’t stop there though. [Vipul] also leveraged the Bluetooth functionality of the Pi and wrote a smartphone app which can be used to control the ruler as well.
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