OpenHW UPS - great way to further build the makerspace and openhw communities - since relatively simple circuits, great flow-on into larger UPSs and open source electric cars and off-grid power setups.
Nice! Thanks for the links... On Wed, Mar 14, 2018 at 10:53:50PM -0400, grarpamp wrote: > https://gitlab.com/esr/upside > http://esr.ibiblio.org/?p=7839 > > upside: Design and implementation of an open-hardware, > open-software Uninterruptible Power Supply unit. > > > On 2018-02-08 I published a blog rant titled UPSes suck and need to be > disrupted complaining about the deficiencies of crappy Uninterruptible > Power Supply designs that perform poorly and pile hidden costs on > their users in order to minimize vendors' NRE and BOM costs. I > suggested that this whole product category needs to be disrupted by an > open-hardware design that addresses the many deficiencies of existing > hardware. UPSes are not complicated devices; there is no good excuse > for the state of the commmercial art to be as inadequate as it is. > > The response on my blog and G+ was intense, almost overwhelming. It > seems many UPS users are unhappy with what the vendors are pushing. > > This project is an attempt to do something about that. Our goal is to > define a set of requirements and develop a specification for a > high-quality UPS that can be built from off-the-shelf parts in any > reasonably well-equipped makerspace or home electronics shop. Our > final deliverable should be PCB designs, a full parts list, assembly > instructions, and full manuals for the hardware and software. > > We welcome contributors: people with interest in UPSes who have > expertise in battery technology, power-switching electronics, writing > device-control firmware, relevant standards such as USB and the DMTF > battery-management profile. > > We also welcome participation from established UPS and electronics > vendors. We know that consumer electronics is a cutthroat low-margin > business in which it's tough to support a real R&D team or make > possibly-risky product bets. Help us, and then let us help you! > > To get a handle on the state of the project it is probably best to > begin by browsing the wiki that hosts our design documents. > > You should also read the process document to learn how to contribute > effectively.
