Here. Everything you need:
Parts List
1 - Arduino Uno R3 or equivalent
1 - Mux Shield II
1 - HD44780 20X4 LCD Display
1 - DH06S DC-DC converter
2 - Momentary pushbutton SPDT switches
1 - 2N7000 transistor
1 - 1N4004 diode
1 - 120VAC/12VDC relay
1 - Red LED (warning lamp)
1 - Green LED (charge indicator lamp)
1 - HTFS400 current transducer
1 - 4.7nF capacitor
1 - 47nF capacitor
1 - PS2502 optoisolator
2 - 220 ohm 1/4 watt resistors
1 - 220 ohm 1 watt resistor (LCD backlight)
1 - 1K ohm 1/4 watt resistor
1 - 549 ohm 1/4 watt resistor
18 - 100K ohm 1/4 watt resistors
18 - 5K ohm 1/4 watt resistors
Bunch of - 22 gauge single strand wire