Micro 555 BEAM Robot

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Introduction: Micro 555 BEAM Robot

About: Worked in electronics for 15 years. The soldering iron is mightier than the pen! ✍

The B.E.A.M robot concept was coined by Mark Tilden which inspired me to build this robot.

This robot is based on a circuit design created by Manfred Schaffran.
I've simply shrunk it down as small as I can to create this little B.E.A.M robot.

It's self sufficient and light seeking, so it can be left to it's own adventures.

Step 1: The Circuit

Step 2: Part List

Bare PCB
Scalpel
Solder
Soldering iron

4x 1000uf TANT SMT cap (T495X108K006AT)
2x TLC555 IC
2x BSR14 (2N222 transistors)
2x SMT Photodiodes (BPW34S)
Solar cell (Powerfilm)
2x Hubsan quadcopter motors

Step 3: How It Works

The solar cell charges the caps and the power turns on one of the 555's motors depending on what photodiode has the most light on it, effectively making the robot light seeking!

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    2 Discussions

    Cool!
    Could please make a video of this!
    I believe if you wanted a racer version of this you could do this in the picture. It will still follow light but it is always on. You could aslo replace the LDR's with phototransistors

    Screen Shot 2015-07-16 at 10.16.07 PM.png

    Beautiful design my friend! I like it!

    You just need to post a video in your instructables and you have a winner!