How to build the one motor walker!

Step 10 The circuit

This is a the hard part if you never made electronics.

Please visit this instructables to make this circuit
http://www.instructables.com/id/How-to-freeform-the-bicore-BEAM-robotics-/

The schematic is really ugly and was made ~7 years ago with paint!
The 74AC240 circuit come from www.beam-online.com

R1 = 1Meg Ohm
the capacitor are 0.22uF

Comments

[Nibu]

i have a doubt is there is any need to program this Ic .....iam only a beginner that is why i asks these type of questions i dont know whether it is foolish or not pardon me if it is a mistake

[nbzch]

i can help you if you email me [e-mail]

[Yashknowsbetter]

no you dont...it's a simple invertor circuit

[sonkar]

is there any difference in using 74hct240b ..i used that ic but the motor is not running