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Solar energy is one such non-conventional and sustainable form of energy that also has a high potential for conversion into electrical power. With the present solar energy harvesting technologies, we only have high production at specific periods, typically noon.This project presents a dual axis solar tracker system that significantly boosts productivity. This project work is made up of several LDR sensors and a motorized mechanism that rotates the panel in the direction of the sun. A dual-axis tracker can improve energy by tracking sun rays from several solar panels. The microcontroller-based control system detects sunlight and controls the motorized mechanism. This project may also be used to simulate raindrops, temperature, and humidity using sensors, and the results can be shown on a mobile phone. This technology operates continuously and without interruption, increasing the efficiency of the solar panels by up to 80%.

In recent times many underground water supply systems have seen several technological advances. Among these technological advances is the mechanization of the well/bole hole water. In most rural settings a mechanical pump is attached to the bole hole. These pumps draw water from underground through strokes on a level system mounted at the top of the bole hole. This type of bole holes needs a lot of manual labour from the consumer and may in many cases cause undue delays to reach quality water. A typical solution to ease the consumer is the introduction of an electrical pump system. The electrical pump is supplied with a source of electricity to pump underground water through pipes fixed on the well. There is always the need to control the electrical pump and the reservoir. Various forms exist. The emergent microcontroller can be used in this water supply system as a form of the control module.

Physicians and medical researchers have thought about ways to measure glucose through the fluid in the eye for years, but have had trouble figuring out how best to capture and analyze those tears. Some companies, such as Eye Sense, have developed their own products to embed sensors in the eye to measure these levels, while other companies, such as Freedom Meditech, have explored measuring glucose levels through the eye by using light Google solution has kicked it up to a whole new level by using tears for constant monitoring of glucose level. The Diabetes Control and Complications Trial clearly demonstrated that tight glycemic control is critical in managing diabetes mellitus and preventing complications such as retinopathy, nephropathy, and neuropathy.