Search found 6 matches

by winem
Nov 14 2017 1:15am
Forum: Battery Technology
Topic: ULtra Compact 1800W charger + Eltek programming
Replies: 268
Views: 36122

Re: ULtra Compact 1800W charger + Eltek programming

Yeah, thats about right. With the integration of the NodeMcu its a CC/CV charger witch is able to terminate the charging at a certain mA level. Because of my new job, new city ad new apartment I wasn't really able to put in some work. But two days ago I started on the housing of the charger. Super e...
by winem
Jun 18 2017 7:24pm
Forum: Battery Technology
Topic: ULtra Compact 1800W charger + Eltek programming
Replies: 268
Views: 36122

Re: ULtra Compact 1800W charger + Eltek programming

Here is the Code I used for the arduino ide with the nodeMCU. Im no pro, so its bad, really bad, but it works for me :-D Keep in mind this Code is based on a lot of diffrent soucres so do not use it in any way for a comercial product! If there is any Problem with it just let me know. If you have som...
by winem
Jun 02 2017 4:21am
Forum: Battery Technology
Topic: ULtra Compact 1800W charger + Eltek programming
Replies: 268
Views: 36122

Re: ULtra Compact 1800W charger + Eltek programming

So to give some use-case data to the Setup, here is the first charge I tracked with this setup: https://thingspeak.com/channels/252264 The battery was a eScooter battery of the company unu, which is build with 140 LD MG1 18650 cells in a 12s14p setup. The overchargevoltage of the BMS is set to about...
by winem
May 30 2017 3:03am
Forum: Battery Technology
Topic: ULtra Compact 1800W charger + Eltek programming
Replies: 268
Views: 36122

Re: ULtra Compact 1800W charger + Eltek programming

Hey, because I got the question, if I could share a couple of Infos on my build; here are the schematics: https://www2.pic-upload.de/thumb/33252140/charger.png So the NodeMCU is controlling the Flatpack2 over the Can MCP2515 Chip and also receiving all the data from it. The latest data is then displ...
by winem
May 29 2017 5:50am
Forum: Battery Technology
Topic: ULtra Compact 1800W charger + Eltek programming
Replies: 268
Views: 36122

Re: ULtra Compact 1800W charger + Eltek programming

Hey, I just wanted to say: THANK YOU!!!! I read this thread a couple of weeks ago and was able to score a really cheap Flatpack2. I started out using a raspberry pi and Controlling it, because the modified ESP8266-01 wasnt working with the MCP2515 CAN-board. Until last week or so I always had to wai...
by winem
Apr 01 2017 6:48pm
Forum: Battery Technology
Topic: ULtra Compact 1800W charger + Eltek programming
Replies: 268
Views: 36122

Re: ULtra Compact 1800W charger

Hey, I just bought a FP2 and was wondering if anyone has a connector for this version left. I already have the proper CAN Module and want to program it with a ESP8266, so it will keep the FP2 all the time logged in and set to the right settings. Additional to that, you would be able to control it vi...