Let's Make Robots!

solar panel

Solar charger for multiple batteries

Hi everyone,

I couldn't decide which forum topic to use for my post so I'll post right here in the "Absolute beginners" because I'm actually a programmer and I'm quite new to electronics so I don't want to put expectations too high. I may do or say something that looks pretty stupid for an experienced robot builder so forgive me and don't hesitate to mention it if it happen, I'm here to learn.

Now that I'm done with the presentation part, here is my multipart question.

I managed to build some kind of Solar Li-Po charger using a tutorial and stuff I bought at Adafruit.

Seeks light to charge batteries (photovore) and avoids obstacles
Using a
If you're a FaceBooker, please visit Fiji Water's page (http://www.facebook.com/fijiwater) and "like" Fijibot! It was posted July 11th. Fijibot is an autonomous, … Read more

Autonomous transatlantic boat

While exploring the LMR website, I came across a couple of autonomous boat projects that looked really cool. They reminded me of another project that I've been watching for a while now called the Scout Transatlantic Project. If you haven't seen it, it's an 8 foot long carbon/kevlar boat, controlled by an arduino mega, and powered by solar panels and lipos. Enjoy.


Can a 3,4V solar panel charge a 3,6V NiMH battery pack?

Can a 3,4V (open circuit voltage) solar panel charge a 3,6V NiMH battery pack?

Detect the positon where maximum light exists, follows the light
Using a
Sun_searcher is a type of robot arm. That carries 2 solar panels each of 6 V and 100 mA. There are two geared dc motors as the actuators. I've used two LDRs to … Read more
Brings good tidings... until nightfall. Then it signals the mothership for the invasion!
Merry Christmas or the secular, religious, or pagan holiday of your choice. I love this little Christmas ornament from Instructables, so I decided to build some … Read more
this is a simply sicilian robot what: Navigate around via infrared and solar panels, lighting with lamp when it's dark, send image from motorized wireless camera, … Read more