Difference between revisions of "202100217 Virtual Meetup"
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Virtual meetup, at 8pm CET: https://meet.ffmuc.net/eventgrid | Virtual meetup, at 8pm CET: https://meet.ffmuc.net/eventgrid | ||
+ | |||
+ | Participants: ecki, martin, chewie, nico, tkteun, jeremail, uli | ||
+ | |||
+ | == Personal updates == | ||
+ | === Chewie === | ||
+ | * Has one of Martins charge controllers to play with | ||
+ | * Added some information to the wiki, e.g. some information on [[Charge_Controllers]] he tried out | ||
+ | |||
+ | === Martin === | ||
+ | Working on [https://libre.solar/ Charge Controllers] | ||
+ | * still has some [https://libre.solar/devices/mppt-1210-hus/ 10A controllers] for sale | ||
+ | * waiting for the [https://libre.solar/devices/mppt-2420-lc/ 20A controllers] to arrive | ||
+ | * Over-the-air updates via ESP32 | ||
+ | * Playing around with OpenEnergyMonitor, InfluxDB/Grafana, etc. | ||
+ | |||
+ | Looking for some information on LoRaWAN | ||
+ | * Severin has been at The Things Conference, there are some interesting [https://www.youtube.com/playlist?list=PLM8eOeiKY7JUPeu23SJ3TPY9BfagiBFIT talks] | ||
+ | |||
+ | Looking into BMS - anyone have any experience with that? **crickets** | ||
+ | |||
+ | === Nico === | ||
+ | * Got an MCH camper ticket, but might be able to give it to someone who needs it | ||
+ | * Looking for a DC connector that is case mountable | ||
+ | ** Ideas: [https://powerwerx.com/anderson-power-powerpole-sb-connectors Powerpole SB] (used by many amateur radio folks) | ||
+ | |||
+ | === Jeremail === | ||
+ | Got a [https://beaudens.com/products/380wh-lifepo4-portable-power-station Beaudens B3801] "Portable-Generator" Battery station | ||
+ | * LiFePo based - safer than LiIon | ||
+ | * Inverter produces a clean sinewave, even under load | ||
+ | * Uses quite a bit of power when idle though | ||
+ | * Quite cheap [https://www.ebay.de/itm/Beaudens-B3801-384Wh-Power-Generator-Stromgenerator-Power-Station-Auto-Ladegeraet-/184523435291] | ||
+ | |||
+ | Looking for an XT60 Hub | ||
+ | * We found some [http://www.omgfly.com/omg-high-voltage-high-current-power-hubintegrated-p-3381.html bad] [https://www.etsy.com/listing/785181615/1s-battery-charging-cable-tiny-hawk examples] | ||
+ | * Severin found a [https://github.com/jesseaster/xt60board PCB design] that's open source | ||
+ | |||
+ | === Severin === | ||
+ | * Built a Solar Charge Controller off a design he found online, with some weird design choices that got him thinking | ||
+ | ** e.g. where to put fuses in the design? | ||
+ | * Put together the first prototype of his [https://hackaday.io/project/176914-lorawan-battery-pack-monitor LoRaWAN Batter Pack Monitor], which totally did not work as expected | ||
+ | * Submitted a proposal for a [https://wiki.munichmakerlab.de/images/7/75/Microgrid-connectors.png DC Grid connection box] to a Element14 Deisgn Competition (to force him to actually build something) - still waiting on feedback | ||
+ | |||
+ | == DC Connectors == | ||
+ | Always a good topic | ||
+ | * Speakon - Quality issues with stuff from AliExpress, local stuff somewhat expensive, but apart from that quite interesting | ||
+ | * PowerCon - Similar to Speakon, but also used for mains power, which could lead to some unintended issues... | ||
+ | * XLR 4pin - there is a standard for professional AV equipment using these connectors for 12V | ||
+ | |||
+ | Plugs with the option for data connections? | ||
+ | * [https://www.weipuconnector.com/product/39 Weipu SP21] was recommended by Zoe some time ago | ||
+ | * Speakon has 4pins... | ||
+ | |||
+ | == Misc == | ||
+ | * [https://blog.mi.com/en/2021/01/29/forget-about-cables-and-charging-stands-with-revolutionary-mi-air-charge-technology/ Wireless power by Xiaomi] | ||
+ | |||
+ | [[Category:Meeting Minutes]] |
Latest revision as of 00:06, 18 February 2021
Virtual meetup, at 8pm CET: https://meet.ffmuc.net/eventgrid
Participants: ecki, martin, chewie, nico, tkteun, jeremail, uli
Contents
Personal updates
Chewie
- Has one of Martins charge controllers to play with
- Added some information to the wiki, e.g. some information on Charge_Controllers he tried out
Martin
Working on Charge Controllers
- still has some 10A controllers for sale
- waiting for the 20A controllers to arrive
- Over-the-air updates via ESP32
- Playing around with OpenEnergyMonitor, InfluxDB/Grafana, etc.
Looking for some information on LoRaWAN
- Severin has been at The Things Conference, there are some interesting talks
Looking into BMS - anyone have any experience with that? **crickets**
Nico
- Got an MCH camper ticket, but might be able to give it to someone who needs it
- Looking for a DC connector that is case mountable
- Ideas: Powerpole SB (used by many amateur radio folks)
Jeremail
Got a Beaudens B3801 "Portable-Generator" Battery station
- LiFePo based - safer than LiIon
- Inverter produces a clean sinewave, even under load
- Uses quite a bit of power when idle though
- Quite cheap [1]
Looking for an XT60 Hub
- We found some bad examples
- Severin found a PCB design that's open source
Severin
- Built a Solar Charge Controller off a design he found online, with some weird design choices that got him thinking
- e.g. where to put fuses in the design?
- Put together the first prototype of his LoRaWAN Batter Pack Monitor, which totally did not work as expected
- Submitted a proposal for a DC Grid connection box to a Element14 Deisgn Competition (to force him to actually build something) - still waiting on feedback
DC Connectors
Always a good topic
- Speakon - Quality issues with stuff from AliExpress, local stuff somewhat expensive, but apart from that quite interesting
- PowerCon - Similar to Speakon, but also used for mains power, which could lead to some unintended issues...
- XLR 4pin - there is a standard for professional AV equipment using these connectors for 12V
Plugs with the option for data connections?
- Weipu SP21 was recommended by Zoe some time ago
- Speakon has 4pins...