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Electric Vehicle Charging and Cat SafetyChristopher HowellOpenEVSE started in February 2011 with a simple experiment to try to generate the J1772 pilot signal on an ArduinoOne experiment lead to another to another until a prototype J1772 compatible controller was bornWith lots of feedback and interest a few boards were offered to other hardware hackersWhat started as 6 boards built in the first batch turned into many thousands...Today, OpenEVSE powers charging stations from many manufactures all over the world.OpenEVSEWhat is OpenEVSE? Does EVSE stand for something?What is the story behind you getting into Electric Vehicle Chargers? DesignGenerating the SAE J1772 pilot signal from an Arduino. Why Arduino?What kind of regulations do you have to deal with?What approvals or markings does your product have?Are the kits approved?KitsHave you seen much interest in these? I would think most people just want a working final product.Safety concerns?Compatibility with vehicles?Going the other way? Battery management?John Cutler from twitter asks:Allowing load sharing for multiple EVSEs sharing a circuit and/or supporting the Hydra style setup?Day based scheduling (i.e. weekdays vs weekends).Smaller, more portable and/or inexpensive models?RaspberryPi based versions?Guy Thomas grtyvr from our Slack Channel asks:What is the current state of vehicle charging grid? And what can we do to influence decision makers to move faster on adoption?Super-capacitors for buses/trains: is there progress in that area?Inductive charging for the bus/trains. Is that a thing?Which EV do you drive? Which do you recommend?Github RepoAnnouncements!KiCon 2019 is a user conference for the popular open source CAD program KiCad. Happening April 26th and 27th 2019 in Chicago IL, this is the first and largest gathering of hardware developers using KiCad. Talks at the conference will span hardware design, revision control, scripting, manufacturing considerations, proper library management and getting started developing the underlying tools. All announced talks have been listed on the conference site.MacroFab will be at SXSW. We are teaming up with Particle.io to put together a Hardware Happy Hour. It will take place this Friday March 8th from 4PM until 8PM at the Jester King Brewery. Join us for food and beer and network with fellow Hardware Engineers to kick off your SXSW weekend.Visit our Public Slack Channel and join the conversation in between episodes!
Show Notes
Electric Vehicle Charging and Cat Safety
Christopher Howell
- OpenEVSE started in February 2011 with a simple experiment to try to generate the J1772 pilot signal on an Arduino
- One experiment lead to another to another until a prototype J1772 compatible controller was born
- With lots of feedback and interest a few boards were offered to other hardware hackers
- What started as 6 boards built in the first batch turned into many thousands...
- Today, OpenEVSE powers charging stations from many manufactures all over the world.
- What is OpenEVSE? Does EVSE stand for something?
- What is the story behind you getting into Electric Vehicle Chargers?
- Design
- Kits
- Have you seen much interest in these? I would think most people just want a working final product.
- Safety concerns?
- Compatibility with vehicles?
- Going the other way? Battery management?
- John Cutler from twitter asks:
- Allowing load sharing for multiple EVSEs sharing a circuit and/or supporting the Hydra style setup?
- Day based scheduling (i.e. weekdays vs weekends).
- Smaller, more portable and/or inexpensive models?
- RaspberryPi based versions?
- Allowing load sharing for multiple EVSEs sharing a circuit and/or supporting the Hydra style setup?
- Guy Thomas grtyvr from our Slack Channel asks:
- What is the current state of vehicle charging grid? And what can we do to influence decision makers to move faster on adoption?
- Super-capacitors for buses/trains: is there progress in that area?
- Inductive charging for the bus/trains. Is that a thing?
- Which EV do you drive? Which do you recommend?
- Github Repo
Announcements!
KiCon 2019 is a user conference for the popular open source CAD program KiCad. Happening April 26th and 27th 2019 in Chicago IL, this is the first and largest gathering of hardware developers using KiCad. Talks at the conference will span hardware design, revision control, scripting, manufacturing considerations, proper library management and getting started developing the underlying tools. All announced talks have been listed on the conference site.
MacroFab will be at SXSW. We are teaming up with Particle.io to put together a Hardware Happy Hour. It will take place this Friday March 8th from 4PM until 8PM at the Jester King Brewery. Join us for food and beer and network with fellow Hardware Engineers to kick off your SXSW weekend.
Visit our Public Slack Channel and join the conversation in between episodes!
Creators & Guests
What is Circuit Break - A MacroFab Podcast?
Dive into the electrifying world of electrical engineering with Circuit Break, a MacroFab podcast hosted by Parker Dillmann and Stephen Kraig. This dynamic duo, armed with practical experience and a palpable passion for tech, explores the latest innovations, industry news, and practical challenges in the field. From DIY project hurdles to deep dives with industry experts, Parker and Stephen's real-world insights provide an engaging learning experience that bridges theory and practice for engineers at any stage of their career.
Whether you're a student eager to grasp what the job market seeks, or an engineer keen to stay ahead in the fast-paced tech world, Circuit Break is your go-to. The hosts, alongside a vibrant community of engineers, makers, and leaders, dissect product evolutions, demystify the journey of tech from lab to market, and reverse engineer the processes behind groundbreaking advancements. Their candid discussions not only enlighten but also inspire listeners to explore the limitless possibilities within electrical engineering.
Presented by MacroFab, a leader in electronics manufacturing services, Circuit Break connects listeners directly to the forefront of PCB design, assembly, and innovation. MacroFab's platform exemplifies the seamless integration of design and manufacturing, catering to a broad audience from hobbyists to professionals.
About the hosts: Parker, an expert in Embedded System Design and DSP, and Stephen, an aficionado of audio electronics and brewing tech, bring a wealth of knowledge and a unique perspective to the show. Their backgrounds in engineering and hands-on projects make each episode a blend of expertise, enthusiasm, and practical advice.
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