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This is my Arduino Nano 4x 18650 Smart Charger / Discharger Open Source Project. I wanted to make a smart Arduino powered charger, discharger battery tester that could have a barcode scanner that scanned barcodes on batteries and input all the data into an Online Database Portal. This would allow me to correctly sort and analyze trends in all my reclaimed lithium batteries.


Bill of materials:


Component Quantity AliExpress Link eBay Link

Arduino Nano 3.0 ATmega328P 1 AliExpress eBay

ESP8266 Arduino Adaptor 1 AliExpress eBay

ESP8266 ESP-01 1 AliExpress eBay

LCD 1602 16x2 Serial 1 AliExpress eBay

Battery Holder 4 x 18650 1 AliExpress eBay

TP5100 Module 4 AliExpress eBay

CD74HC4067 Module 1 AliExpress eBay

74HC595N DIP16 1 AliExpress eBay

DIP16 Socket 1 AliExpress eBay

Temp Sensor DS18B20 5 AliExpress eBay

Tactile Switch 6MM 1 AliExpress eBay

Connector KF301-2P 5.08mm 4 AliExpress eBay

DC Jack 5.5 x 2.1mm 1 AliExpress eBay

Resistor Carbon Film 3.3ohm 5W 4 AliExpress eBay

Conical Rubber Feet 14x8mm (non 3D print case) 8 AliExpress eBay

Insulating Washers 3x7x0.8mm 16 AliExpress eBay

M3 x 12mm Socket Screw 20 AliExpress eBay

M3 304 Stainless Steel 304 Hex Nuts 4 AliExpress eBay

M3 Standoff 18mm Brass F-F 4 AliExpress eBay

M3 Standoff 35mm brass F-F (non 3D print case) 4 AliExpress eBay

Header Female 2.54mm 1x4 1 AliExpress eBay

Headers Male 2.54mm 1x40 Pin 1 AliExpress eBay

Header Female Right Angle 2.54mm 1x4 1 AliExpress eBay

USB to ESP8266 ESP-01 Programmer 1 AliExpress eBay

Fan 80MM x 80MM x 15MM 12V 1 AliExpress eBay

BD139 NPN Transistor 1 AliExpress eBay

100uF 16V Electrolytic Capacitor 5x11mm 1 AliExpress eBay

JST 2.0 PH 2pin M-F 1 AliExpress eBay

5V Active Buzzer 1 AliExpress eBay


SMD (either SMD or THT only you can't use both)

Component Quantity AliExpress Link eBay Link

10k – 1/8w Resistor SMD 0603 7 AliExpress eBay

4.7k – 1/8w Resistor SMD 0603 1 AliExpress eBay

1k – 1/8w Resistor SMD 0603 8 AliExpress eBay

N-Channel Mosfet IRLML2502TRPBF 8 AliExpress eBay

P-Channel Mosfet AO3407 SOT-23 4 AliExpress eBay

NPN Transistor SOT23 BC847 4 AliExpress eBay

Diode 1N4148 0603 2 AliExpress eBay


THT (either SMD or THT only you can't use both)

Component Quantity AliExpress Link eBay Link

10k – 1/4w Resistor THT 7 AliExpress eBay

4.7k – 1/4w Resistor THT 1 AliExpress eBay

1k – 1/4w Resistor THT 8 AliExpress eBay

P-Channel MOSFET FQP27P06 TO-220 4 AliExpress eBay

N-Channel MOSFET IRLZ44N TO-220 8 AliExpress eBay

NPN Transistor BC547 TO-92 4 AliExpress eBay

Diode IN4007 2 AliExpress eBay



Tools

Component AliExpress Link eBay Link

Solder Wire 60/40 0.7mm AliExpress eBay

Diagonal Pliers AliExpress eBay

A3 PVC Cutting Mat AliExpress eBay

Youyue 8586 SMD Soldering Rework Station AliExpress eBay

UNI-T UT39A Digital Multimeter AliExpress eBay

Wire Strippers AliExpress eBay

Barcode Scanner AliExpress eBay

Barcode Printer AliExpress eBay

Barcode Labels 30mm x 20mm x700 AliExpress eBay

MECHANIC Solder Paste AliExpress eBay

Anti-Static Tweezers AliExpress eBay

Third Hand Soldering Stand AliExpress eBay

AMTECH NC-559-ASM No-Clean Solder Flux AliExpress eBay

Solder Wick AliExpress eBay

Precision Magnetic Screwdriver Set AliExpress eBay


Battery Portal: http://portal.vortexit.co.nz/

Parts List: http://www.vortexit.co.nz/parts-list-nano-4x/

Schematic: https://easyeda.com/brettwatty/arduino-nano-4x-charger-discharger-v1-11

Forum: https://secondlifestorage.com/t-Brett-s-Arduino-8x-Smart-Charger-Discharger

Source Code: https://github.com/brettwatty/arduino-nano-4x-charger-discharger

Checkout my database stats page of all currently processed batteries: http://www.vortexit.co.nz/batteries-recycled/

youTube: https://www.youtube.com/user/brettwatty101/

Instructables: https://www.instructables.com/id/Arduino-Nano-4x-18650-Smart-Charger-Discharger/

Thingiverse STL Enclosure: https://www.thingiverse.com/thing:3502094

Donate: http://www.vortexit.co.nz/donate/

https://www.instructables.com/id/Arduino-Nano-4x-18650-Smart-Charger-Discharger/

https://ebay.to/2w7ejZD

Jan 29,2019
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