LoadMaster XP - A Smart PV MPPT Solar Hot Water Controller

A solid-state, low-cost, reliable solution for solar hot water from PV. Zero maintenance & CO2, connected, smart combi pre-heat control.

Nov 4, 2019

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Components and supplies

1

Alphanumeric LCD, 20 x 4

1

ESP8266 ESP-01

1

Arduino Nano R3

Apps and platforms

1

Serial Bluetooth Terminal

1

Serial WiFi Terminal

Project description

Code

PV_Hot_Water_LoadMasterXP_V-210.zip

arduino

This code does not use the RTC for managing logging date. Unix Date value is incremented by detecting PV night time. Heat sink DS18B20 also dropped.

PV_Hot_Water_LoadMasterXP_V-210.zip

arduino

This code does not use the RTC for managing logging date. Unix Date value is incremented by detecting PV night time. Heat sink DS18B20 also dropped.

Downloadable files

LoadMaster XP Schematic - MPPT PV Hot Water PCB Rev4

Please note:- this diagram incorporates a number of component positions which are provided to offer the potential for different configurations and functionality. PCB should be populated as required or according to build instructions (see downloads at the end)

LoadMaster XP Schematic - MPPT PV Hot Water PCB Rev4

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