Circuits and Electronics 1: Basic Circuit Analysis Learn techniques that are foundational to the design of microchips used in smartphones, computers, and the Internet. This is the first of three online Circuits & Electronics courses offered by Professor Anant Agarwal and colleagues at MIT, and is taken by all MIT Electrical Engineering and Computer Science (EECS) majors. FREE. edx.org/course/circuits-electronics-1-basic-circuit-mitx-6-002-1x-0#!

Electronic Interfaces: Bridging the Physical and Digital Worlds Learn by doing: analyze, design, and build electronic interfaces between sensors and a microcontroller to build a robot or your own creation in this hands-on lab course. The fundamentals of engineering electronic interfaces between the physical world and digital devices. Students can expect to cover the material of a traditional first circuits course with a project-based approach. FREE. edx.org/course/electronic-interfaces-bridging-physical-uc-berkeleyx-ee40lx-0#!

Introduction to the National Electrical Safety Code (NESC) Gain an in depth overview of the 2017 NESC, the standard for safe installation, operation, and maintenance of electric power and communication utility systems, from the experts who publish it. edx.org/course/introduction-national-electrical-safety-ieeex-nesc01-x-0

Organic Electronic Devices Using molecules and polymers to create the next generation of electronic devices. Synthesis of Organic Semiconductors. Common mechanisms for the synthesis of small molecule and polymer semiconductors, Mechanism of controlled polymerization techniques for macromolecular semiconductor, spectroscopic, chromatographic, and molecular characterization data, How molecular orbital levels are related to the optoelectronic properties of organic semiconductors, and the difference between charge generation and transport in organic and inorganic semiconductors. FREE edx.org/course/organic-electronic-devices-purduex-nano515x

Solar Energy: Photovoltaic (PV) Energy Conversion Understand how solar cells generate electricity. Learn about semiconductor physics and optics required to design and manufacture solar cells. Discover how to tackle potential loss mechanisms in solar cells. Develop in-depth knowledge of how a photovoltaic cell works under different conditions. How to model all aspects of a working solar cell. For engineers and scientists working in the photovoltaic industry, understand the opportunities for solar cell innovation. Part of the Solar Energy Engineering MicroMasters Program edx.org/course/solar-energy-photovoltaic-pv-energy-delftx-pv1x#!