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Brett's Arduino 8x Smart Charger / Discharger
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Hey all,

Just thought I would start a new thread.

Finally I have had some success on building my new prototype 18560 charger / discharger. I am using 3.3ohm resistors for the discharge, TP4056 modules to charge and it is controlled by an Arduino Mega micro controller. My first manufactured PCB version almost done check out the photo's. I have 1 out of 8 module setup. 

I have already found some mistakes in my design:

9v power jack has backwards orientation. Soldered a cable instead 
The mounting holes for the Rotary Encoder module are wrong. Might be able to drill them.
The RobotDyn Arduino Mega Mini Module I used in easyEDA has the ICSP header 1.27mm to the left. only using 1 wire for the SD Module so can jumper wire it.
Also thinking of adding a relay switch to the 5V 10A charger power input.

Still ironing out some issue in the code at the moment. 

The sequence is:
• Check for a battery to be inserted
• Get the battery barcode via a barcode scanner
• Charge the battery
• Check the milliohms of the battery
• Rest the battery for the set duration (if the battery was charged)
• Discharge the battery
• Recharge the battery
• Competed cycle uploads the battery information to my database – wait for battery to be removed then it restarts the cycle back to check for a battery to be inserted.


Checkout my database stats page of currently processed batteries: http://vortexit.co.nz/battery_statistics.php

My youTube channel: https://www.youtube.com/channel/UC3F60pB...sHjqQOAO9Q

So I thinking hopefully next revision releasing the PCB design and code once it is fully working. 

mr_hypno, redstar2k, hbpowerwall And 6 others like this post
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Brett's Arduino 8x Smart Charger / Discharger - by brettwatty - 03-26-2018, 01:57 AM

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