Matt Evans

151 posts

Matt Evans

Matt Evans

@splat1

SRE, Technical Manager, Network Engineer, Electronics Engineer, Rock Climber.

Leicester, UK Katılım Nisan 2008
497 Takip Edilen146 Takipçiler
Matt Evans
Matt Evans@splat1·
@Winterrose I have a love hate relationship with equip like this. A Privotell AAPD kept my dad in his own home for an additional year. Remember if you modify them, be sure you’re ok with shouldering that you, may have contributed to the injury or death of a loved one if it fails, I couldn’t
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Sam D'Amico
Sam D'Amico@sdamico·
Been getting lots of questions on how we get our technology @ImpulseLabs_ into every home. We're starting by moving up the stack and partnering with existing appliance OEMs at scale -- getting us access to their existing (massive) distribution.
Sam D'Amico tweet media
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Matt Evans
Matt Evans@splat1·
@evclinic Market for cables with in built surge protection devices ?
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EV Clinic
EV Clinic@evclinic·
RENAULT … you are fired!!! Unstable grid conditions are the most common cause of OBC failure, especially on the Renault ZOE with the Q drive system. A case from Serbia a few months ago remained unresolved because an explosion destroyed a significant part of the EMI filter PCB. At the time, we assumed it was an isolated incident. However, another case has recently come from Bosnia with the same problem. The OBC consists of the FS200T12A1T4 Infineon HybridPACK1 IGBT, which is no longer manufactured, and the EMI filter. The system is incredibly poorly designed, using an IGBT typically meant for driving electric motors, directly connected through the EMI filter to the Type 2 port without a fuse. Any overvoltage in the grid or short circuits in the microgrid cause short circuits in the EMI filter, BCB, and the car's battery, leading to damage of the varistor, which burns out the PCB and other components. All other manufacturers use fuses on the AC input of the OBC in their vehicles. Whoever designed this system should be fired immediately. Due to its design, the Zoe faces numerous issues with charging, overheating during charging, and OBC charger failures. The worst part is that the OBC is so complexly designed that it is extremely difficult to service. The components are clumsily arranged in an aluminum box, with wires running through small holes in the box to the BCB, and every part of the charger is designed to make servicing difficult. The design approach taken by French engineers is punishable because it does not support sustainability or allow for affordable repair costs. Additionally, their parts are unjustifiably expensive. A new EMI filter costs around 1800€ (with the BCB adding 1500€ for the entire OBC assembly), while a used one ranges from 1000€ to 1400€. Buying a used part is very risky as there are several versions, and most of them are faulty (we bought one to fix the first case, but it didn’t fit and was defective). Statistically, the Renault Zoe is the vehicle with the most faults we haven’t been able to fix, and even authorized service centers haven’t been able to resolve many of the issues. Renault should fire (or we can do it) all their engineers and hire a team to design repairable, modular, and easily accessible systems. Catalog number: 296G94241R OEM: 2500€ EVC: 1400€ Due to the high number of cases where vehicles are located far away, we have included a procedure for repair with all the necessary parts, chips, and steps so you can repair it yourself with the help of EVC Academy: evclinic.eu/evc-knowhow-ac…
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Matt Evans
Matt Evans@splat1·
@techpoodle Landlord thermostat? They are set and forget and normally have min and max limits with timed boost sessions. Given the application is cost sensitive long term, If you have access to an exterior wall, Potentially look at self contained single room air2air units for long term costs
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Rachael 🏳️‍🌈
Rachael 🏳️‍🌈@techpoodle·
I have a question for heating Twitter. Our local village hall has a library room which is heated by an electric heater which is only switched on at certain times when the library is booked and consequently the room gets very cold and damp. We can't get the main heating into the room easily so I want to look at better heating options. Does anybody know of any electric convector heaters which have both programmable timer and programmable thermostat? I'd like be be able to have it default to maintaining a minimum temperature to prevent damp but be able to easily set it higher for times the room is in use. Does anybody have any recommendations? I'm specifically NOT interested in IR panels. Thank you 😊
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ESL UK
ESL UK@ESLUK·
Since 2015 the ESL Premiership has been a cornerstone for UK & Irish esports as its longest-standing national championship 🇬🇧🇮🇪 Autumn 2023 was the final season for the ESL Premiership. Quite the journey! Thank you all for playing a huge part in it. 🔗pro.eslgaming.com/uk/uncategoriz…
ESL UK tweet media
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Ashton | FREE 🇵🇸
Ashton | FREE 🇵🇸@ScrambledAshton·
was anyone else given one of those coloured film devices at school that was supposed to make reading easier or was this just another sign my teachers thought my brain was not quite correct
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Matt Evans
Matt Evans@splat1·
@ElectrifyingCom @TomBarnardWords @GinnyBuckley @GadgetsBoy The local Tesco to me has no time restrictions so it’s currently used from 6pm onwards as overnight charging for a fleet of large national delivery vans, which is annoying. Bring in low rates & idle charges for those chargers would be a good compromise
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⚡️Electrifying.com
⚡️Electrifying.com@ElectrifyingCom·
Tesco is to start charging for electricity from 1 Nov. The cheapest will be 28p/kWh for 7kW posts, rising to 40p for 22kW AC and 50p for 50kW rapid chargers - up from 28p per kWh. Payments will be made via the PodPoint app or contactless for rapids. electrifying.com/blog/article/t…
⚡️Electrifying.com tweet media
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Matt Evans retweetledi
Everything Electric
Everything Electric@Everyth1ngElec·
This is bonkers. the people who live in the village know it's a dodgy con job, please sign
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Matt Evans
Matt Evans@splat1·
@evmanuk Fingers crossed for them that the software and ecosystem make it a competitive offer.
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EV Man UK
EV Man UK@evmanuk·
@splat1 Rebadge with some of their own software apparently.
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Arran Seaton
Arran Seaton@arranseaton·
I love that the TF2 voice actors are just running around dressed up in their respective characters causing chaos
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Martin Lewis
Martin Lewis@MartinSLewis·
When's best to use high energy appliances eg tumble dryer? -Most don't have time-of-use tariffs, so there's no price difference (if u do, night's cheaper). Yet peak use is c4pm-9pm so for UK's energy security not then is better -If uv solar panels use appliances in daylight hrs
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Matt Evans retweetledi
Paddington
Paddington@paddingtonbear·
Thank you Ma’am, for everything.
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Matt Evans
Matt Evans@splat1·
@Openenergymon After having an emonpi in place for a few years now, I can say without hesitation it was worth every penny. 👍
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OpenEnergyMonitor
OpenEnergyMonitor@Openenergymon·
Apologies that several of our hardware items are currently out of stock, the global semiconductor shortage is making manufacture very difficult, however we've got some new hardware launching very soon...
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Matt Evans
Matt Evans@splat1·
@mkiceburnmarko @evmanuk Contracts tend to be per location due to local connectivity and supply constraints. considering how many points they have across the UK, and that we can safely guess they will be paying a whole lot more for some locations as they come up for renewal. Seems like fair pricing to me
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mark kelly
mark kelly@mkiceburnmarko·
@splat1 @evmanuk Price is only uncapped if business are out of contract / on deemed prices. They are within contract
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EV Man UK
EV Man UK@evmanuk·
Not unexpected!
EV Man UK tweet media
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Matt Evans
Matt Evans@splat1·
@jon_winkle That’s on top of the ones you have already had to make room for recently ? Hopefully the community understand.That puts even more pressure on pockets when people are making harder decisions about what to spend on 😕
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Jon
Jon@jon_winkle·
@splat1 Incidentally, our venue & associated costs have gone up by £5k for the next event. Not officially labelled as energy related, but just general cost increases.
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Jon
Jon@jon_winkle·
We out here discussing “warm banks” in 2022, did we take some massive wrong turn somewhere in the timeline?
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Jon
Jon@jon_winkle·
@splat1 Not like the events industry has already spent 3 years of being shat on right?
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Matt Evans
Matt Evans@splat1·
@jon_winkle What also worries me looking forward is what’s going to happen to the events industry. Those even higher energy costs are going to make their way into venue costs sooner rather then later. I suspect we have only just started to feel how bad that’s going to get 😕
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Jon
Jon@jon_winkle·
@splat1 And not even a slight hint that business support (inc. schools, hospitals, care homes) is even being discussed. Appreciate we need to get the domestic situation under control, but if thousands of businesses have to close, there's no money to pay the wages for domestic bills!
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