A Guide to Traveling with Solar and Lithium Ion Batteries
Tips for Traveling with Solar One of the biggest questions we get from customers is regarding the safety of traveling with solar chargers and...
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Timer and Switch for Off-Grid Projects
This post will show you how to schedule an off-grid lighting (or a fan, pump etc) to come on and off on a daily schedule without the hassle...
Solar Backpack Review: OffGrid 10W
Thinking about getting your hands on a solar backpack? The crew at BuzzFeed's Worth It recently stopped by our offices to check out the features of...
Lithium Battery Policy By Airline
Lithium Battery Policy for Domestic and International Flights Can I bring my batteries on the plane? Lithium batteries are allowed on planes, but...
Measure the Daily Power Consumption of Your IoT Device
To run an IoT device from solar you need to know how much power the device daily consumes (energy budget) and how much power you can produce from...
Tracking the Black-Capped Petrel with GPS Loggers
The black-capped petrel lives high in the mountains of Hispaniola and makes its nest in a deep burrow, among dense ravines or dry rocky ridges. It...
Solar Powered Full Spectrum Sensing with Apogee
In this post, we test how to run an Apogee full spectrum sensor from a small solar panel or simply a battery. The sensor measures PPFD which is the...
Remote Water Level Monitoring
Solar Powered Remote Water Level Monitoring Pacific Watershed Associates, based in Northwestern California, is an environmental and engineering firm...
Charging Your Camera Battery from USB
How to Charge a Camera Battery from USB Charging a digital camera, even professional level DSLRs, when you're not near an outlet is surprisingly...
How to Charge a DJI Spark from an External Battery Pack
How to Charge a DJI Spark Offgrid The DJI Spark is DJI's smallest drone offering. If you are offgrid, there are two ways to charge a DJI Spark from...
How to Keep Camera Batteries Warm in Cold Weather
How To Keep Camera Batteries Warm Keeping camera batteries warm in cold weather will increase the number of photos you can take. We asked several of...
Estimating Solar Charge Time for Batteries
How to Estimate Solar Charge Time Unfortunately, solar charge time is not as simple as just dividing your battery capacity (measured in Watt hours)...
Water Quality Sensor Launched in Brooklyn Navy Yard
We deployed our water quality sensor in a basin near the East River nearly three weeks ago and it is consistently reporting water quality data. Using...
Solar Powered Water Quality Monitoring Tutorial with Adafruit FONA and I/O
In this post, we show how to design a solar-powered water quality monitor using readily available components. The device is designed to float in salt...
Solar Powered Raspberry Pi Camera
Using Raspberry Pi in a remote time lapse environment requires power management or a very large solar panel. Dan Julio designed a Raspberry Pi...
Can Your Panel Charge My Battery Pack?
Maybe, but probably not that well. Charging battery packs from a solar panel isn't as straightforward as you think - even if the solar panel...
Voltage and Current Data Logger
We sometimes need a lightweight way to track power production of our panels in places that are far from an electrical outlet. In this post, we show...
Solar Power for Raspberry Pi
Tutorial: Solar Power for Raspberry Pi This post will walk you though how to protect your Raspberry Pi while powering it from a solar-powered...