Introduction: Micro 555 BEAM Robot

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
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!


Ploopy made it!(author)2015-07-16

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
robomaniac made it!(author)2015-04-21

Beautiful design my friend! I like it!

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

About This Instructable




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