Solar Charger – Tutorial Part 4
How do you protect the battery? The goal of a charge circuit is to protect both the battery and your device. If you don't have charge protection,...
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Automated Offgrid Chicken Coop Lighting With Timer
How to DIY your own offgrid chicken coop lighting: Tom Mendise from Northeast Ohio has a 4'x4' chicken coop. He was looking for an offgrid chicken...
Solar Raspberry Pi for Environmental Managment
Solar Raspberry Pi for Environmental Management Manage nitrate and other environmental factors with solar Raspberry Pi for environmental...
Make a Dynamo to Charge Your Phone
Voltaic System’s battery packs will take charge from solar panels, AC adapters, USB ports, even other battery packs. You can also charge them from kinetic power sources like hand-cranked or bike driven dynamos. Here’s how we did it.
Charge your Coast Flashlight from Solar Power
We are always excited to learn about new products that equip adventure-seekers in a more sustainable, green way. One of these trends that we've seen...
Solar Arduino Air Quality Sensor (Tutorial)
We recently collaborated with Nicholas Johnson to build a solar-powered air quality sensor that sends real-time information to the web for anyone...
Making a Waterproof Case for Solar Powered Microcontrollers
DIY: Waterproof Case for Solar Powered Projects This post outlines the steps necessary to build your own waterproof case for solar Arduino (or...
Extending Recording Time of a Marantz PMD-661
The Marantz PMD661 is one of the sound recorders of choice for professional ornithologists. However, the battery life using AAs is limited to about...
DIY Solar Toolbox
Ben Schapiro, a Chicago-land customer, took our 16 Watt solar panel and a classic tackle box and made a pretty cool and versatile solar charger. The...
iPhones and iPads USB Pin Voltages – Update for iPhone 5
We continually make minor tweaks to the USB output of our batteries to make sure we charge as many devices as possible. We pay particular attention...