Take Flight with Feather entries: Feather Solar Wing and AM/FM TunerWing #FeatherContest @Hackaday @DigiKey @Adafruit

The Take Flight with Feather Contest is running from now to December 31st – see all the details in the kickoff post!

You still have time to get your entry in before the end of the month!

We’re going to highlight entries posted on Hackaday.io two at a time. Here are today’s entries:

Feather Solar Wing

By axel mansson:

This project first version uses a MCP73871 as Adafruit’s original solar design, and incorporates a INA219 to measure the current and power from the sun. In addition, a fuel gauge is measuring the battery voltage so that you can estimate how much time there is left for normal operation. This way, you can better control sleep time for all of y’alls project. All data sent on I2C. All libraries readily on hand at the GitHub.

My high school students are going to use these in several solar science projects.

AM/FM TunerWing

By bobgreenwade:

This is a project to make a FeatherWing that allows the Feather to control an internal AM/FM radio — something that, so far as I’ve been able to determine, is currently unavailable elsewhere.

The chip used is Silicon Labs’ Si4734-D60-GU. This chip is controlled by I2C, which means that a fair bit of coding will be required to make it work with Feather (or any other Arduino or similar system).

The AM and FM antennas are external, as are the amplifier and speakers. The intent is for the board’s output to be channeled to an amplifier, though the user may want to somehow process the audio in some other way either before or in place of the amp. To better facilitate this option, jumper holes are provided so the output can be diverted to any two of the Feather’s Analog pins.

As a bonus, a Qwiic connector is also included for further I2C expansion. (You can never have too many Qwiic connectors.)

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