Things used in this project

Hardware components:
A000066 iso both
Arduino Arduino UNO & Genuino UNO
Ard nano
Arduino Arduino Nano R3
XL 6009 DC DC Boost
Omron b3f 1000 image 75px
SparkFun Pushbutton switch 12mm
160 20
16 MHz Crystal
Terminal Block Connector
On semiconductor lm317tg
Linear Regulator with Adjustable Output
Stmicroelectronics l7805cv image
Linear Regulator (7805)
Fairchild semiconductor 1n4004. image
1N4007 – High Voltage, High Current Rated Diode
Adafruit industries ada62 image 75px
USB-A to B Cable
Bourns 3296w 1 103lf image 75px
Multi-Turn Precision Potentiometer- 10k ohms (25 Turn)
OP07 Instrumentation OpAmp
Generic Socket Box
FR4 Proto Board
11026 02
Jumper wires (generic)
Te connectivity 4 103741 0 image 75px
Male Header 40 Position 1 Row (0.1")
Mfr 25frf52 10k sml
Resistor 10k ohm
Mfr 25fbf52 22k1 sml
Resistor 22.1k ohm
Mfr 25frf52 1k sml
Resistor 1k ohm
Arduino Latching Relay 5v 2A
SparkFun MCP 4131 Digital Potentiometer 10k
Arduino Copper Tape
Arduino LM358 Opamp
Arduino 1306 OLED
Software apps and online services:
Ide web
Arduino Arduino IDE
Hand tools and fabrication machines:
09507 01
Soldering iron (generic)
Hy gluegun
Hot glue gun (generic)
Mini Drill Motor


High Level Sch
Drawn on Whiteboard !
Sch lb6fxnwwjt
Check this link for full Sch
Full sch 07mw2tnfi9
Current Sense Module
3 current sensing module sujue9ulps
Step Voltage & Adj Regulator Module
2  step voltage and adjustable regulator module cdn6lkxrqn
Multi Voltages of the System
Volt aeubr5qrud


Arduino Programmable Portable Power SupplyArduino
Ver 1.0.1 with Pin out info in comments
// Pin Reset, D0 & D1 for uploading Sketch

// Pin D9,D10,D11,D12,D13 for controlling OLED Display

// ADC A0 Pin for Sensing V_boost
// ADC A2 Pin for Sensing V_batt (LiPo)
// ADC A3 Pin for Sensing I_Output (Load)
// ADC A4 Pin for Sensing V_USB (Charging)
// ADC A5 Pin for Sensing V_Output (Load)

// Latch Relay's 2 Coils Driving Pin  D4 &D5
#define RC1 4
#define RC2 5

// User Input Switchs connected to Pin D2 & D3
#define SW1 2
#define SW2 3

// Pin D6,D7,D8 for Digital Pot Control Pins
#define CS_PIN 6
#define CLK_PIN 7
#define DATA_PIN 8

volatile uint8_t Switch1 = 1;
volatile uint8_t Switch2 = 1;

float V_Out = 0.0;
float I_Out = 0.0;
float V_Bat = 0.0;
float V_Bst = 0.0;
float V_Chg = 0.0;
uint32_t time = 0;

#include "U8glib.h"
// OLED Display Control Pins
//SSD1306 oled waveshare(clk,din,cs,d/c,res);
U8GLIB_SSD1306_128X64 u8g(10, 9,11, 13,12); 

void setup(void) {

  // flip screen, if required


void loop(void) {
 if (Switch1==0)
 if (Switch2==0)
Code Ver 1.0.1 BetaC/C++
No preview (download only).
Code Ver 1.0.2 BetaC/C++
Bug Fix for Text/Box Alignments
Bug Fix for Overload Trip

Few more bugs will be fixed on next release
No preview (download only).


Inductor color code   copy

Electrical Engineering, Power Plant O&M, Renewable Energy Expert, Electronics & Embedded System Hobbyist !



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