JST-XH WIFI Modules

TrustyFly

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Jan 4, 2019
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Just wondering if I can find out more info about wifi battery monitoring. I have a rather intricate system of 3s batteries as shown in my previous pictures. Anyway the setup is 3s packs running 5 in series. This is the equivelant to a 15s pack. It is about 3kwh.

Anyway most of that is unimportant to the reason I am reaching out today. I am wondering about WIFIbattery monitoring systems that are not batrium. I just want at minimum 12vwifi modules. Either 1 that can do 15s(55v) or 5 that can do 3s(12v). I noticed that they do have wifi modules for 12v packs from like battery tender. I also noticed a lot of drone ESC modules but I don't use an ESC so that is probably not useful. Any ideas?

I am probably down to even follow obscure raspberry pi instructions or something similar if that is my only direction. Also useful would be ideas to get the temperature in at least 3 spots. Via wifi or even connected to a pc if need be. Thanks for your time.
 

Korishan

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No pictures posted. You need to click the images to insert them into the post after uploading (unless you mean a previous thread).
 

rev0

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Oct 3, 2017
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Keep an eye out, I may be doing a WiFi enabled battery monitor for the "Jehu" PCB system using a pair of ADS1115s for reading cell voltage and 1 or 2 temperature sensors. I could add provisions for more temperature sensors instead of cell voltage for your 3s case to be more flexible.
 

Korishan

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TrustyFly said:
Pictures are on the only other thread I have.

Ok, then I have to click your profile, the click "Threads" link, then click the other thread. Not very helpful for anyone else who may be following.

When referring to another thread, please post a link to the comment you are referring to. That way it's easily accessible to know what/where you are coming from.


Steak and Chicken sounds good ;)
 

daromer

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ESP8266 + voltage divider and perhaps a multiplexer. Thats the easiest way to get a simple wifi enabled monitor device. You can find 100s of versions out there if you are a bit ok with electronics and coding.
 

Mikethezipper

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Jul 7, 2018
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Check out my thread here. I have a 10s wifi battery monitoring system. I have all the info needed to make your own, and I'm currently working on further developing it. a 15s setup wouldn't be much more work - the architecture is there. I mean from a work perspective of what I have to what you want is all of an hour to add the extra connector and route the traces.

https://secondlifestorage.com/t-TI-BQ769X0-Based-Monitors-Project-thread

It has an ESP 8266 so you can do whatever you want with the data via WIFI.

Right now I have it just reading voltages - nothing more. In the next couple weeks I'll be adding all of the other functions someone might want from a BMS (over / under voltage protection, current monitoring, balancing etc)

In fact, if you'd like to help I'm trying to make this a community project. Specifically, what are you trying to do with it over WIFI?
 

TrustyFly

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Jan 4, 2019
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Thanks for the replies everyone. The system is at 5kwh now and likely 6.25kwh by the end of the week. I will be looking into the ESP8266 soon as that seems like a commonly used board for this.
 
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