| Archive for TomboT www.tombot.net Beam robotics @ liverpool university |
| nemesis |
question!hello! ia m extremely new to electronics and botting! so i have quite a n00b-like question: http://www.tombot.net/beam/pics/circuits/2motorwalker.jpgwhat is the yellow piece with '224' written on it? and what does 224 mean? |
| Tombot! |
Hi... sorry for the delay in replying, I have been away for a week.
The component you are referring to is a capacitor, the 224 is the code to work out its value. In this case it is a 22micro farad capacitor. Hope that helps! Tom |
| akoe |
beam bicore head (2 motor walker)i want to ask about the beam bicore walker component. Can 74AC240 replaced by 74HC240???? And How is the voltage of 22uF Capacitor??? Is the 2.7 M resistor is true?? Please reply the answer to my e-mail : tf13306071@students.tf.itb.ac.id   
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| TomboT |
Hi akoe,
The voltage of the 22uF cap needs to be rated above the supply voltage... in thsi case 5V is fine. Yes you can replace the chip as you mention. The 2.7M resistor is correct. Hope this helps, I will e-mail you the response also. Tom |