Power Arduino With Solar Panel

Voltage readings from an indoor light.

Power arduino with solar panel.

Solar power can often be a useful solution for powering such devices. Measuring solar panel voltage on a sunny day. Circuit diagram of arduino based digital voltmeter. Now we will calculate the size of the solar panel and battery to power my circuit that draws 23 ma.

Battery capacity is 1300mah c 10 130mah the solar panel has to provide current 100mah for arduino along with a current not more than 130mah. Solar charged battery powered arduino uno. A solar panel that can rotate in two axis either automatically using four light sensors either manually with the aid of two potentiometers. Id record id d text field containing the date and time stamp of the record s power produced by the solar panel c power consumed by the house l light value this database will be filled with records from the avr micro controller and accessed by php pages to transfer or display the records.

For measuring voltage we have to follow the given formula. Just connect the solar panel output voltage to analog pin of arduino and convert that in digital and display result on lcd or computer. Calculating solar panel and battery sizes. Solar panel charges battery battery stores and supplies power runs arduino we like our small solar charger kits for these applications.

And suppose if you want to measure up to 10 volts then you have to use the given circuitry. Using the percentages calculated above this means i will have 6 7 hours of sunlight for charging time on the shortest day of the year 67 of 10 hours 6 7 hours. In this tutorial we will discuss how to select the proper solar panel based on your power requirements particularly for projects using arduino. The sensor module along with arduino taking 100mah current.

Battery voltage 1 2 x 2 2 4v so required voltage for solar panel 2 4 x 1 5 3 6v by taking some margin we can choose a 4v solar panel for it. Before wiring the solar panel to the arduino we should do a test run using an led first. We will also touch on power management and charge controllers. Project in progress by igor fonseca albuquerque.

Two solar panels in a series.