Let's Make Robots!

Solar Engine

I have been doing some BEAM bot work on the side. Nothing exciting but I wanted to keep making them to get some practice/experience for future projects with solar … Read more

Basic 74AC240 Bicore

I wanted to upgrade him with a solar engine, and I decided on the FRED solar engine.  Originally, I was going to build the FLED solar engine, but it is so inefficent it drove my perfectionist side insane.  Sooooo, I ended up spending half an hour getting this circuit to work, and I suceeded in getting it to pulse in direct sunlight and under an incandescent desk lamp.  The FLED couldn't even pulse with the light bulb literally on top of the solar cell!

I included a video of it pulsing wherever videos I embed in my posts go/are.

Statistics:

Navigate towards light (it's source of power)
    Here's my FRED v1.3 ReFred (revised solar engines from fred to refred. See attached final schematic) Photopopper / Bristlebot I made. His electronics are … Read more

solar trickle charger-solar engine

Hi, can anyone help?

I am trying to make my robot battery powered with trickle charge with two solar panels.

Stays "alive" by navigating towards bright light sources
Updated 28/10/2009 Added a video of the bot in motion. Description This is my first vibrobot. I've wanted to create a phototropic BEAM vibrobot for a long time … Read more