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The sensors in this coin acceptor use the thickness
These are robot wheels for the our DC robot motors
Instructables on how to use thermopile infrared sensor including circuit and Arduino code
For MAX232 basics
Signed-Magnitude and Locked Anti-phase method
3.7V rechargeable Polymer Lithium Ion battery ECOCELL headless bolt The sensors in this coinThis is a 1000mAh, 3. 7V rechargeable Polymer Lithium Ion battery. Each cells outputs a nominal 3. 7V. Before usage, check the polarity of the connector(polarized type) matches the polarity of your equipment! There is no standard defining the polarity of LiPo batteries with a JST PH connector. We used the polarity that seems to be most common, but your equipment can be different! If it does not match, it is very easy to change the connector polarity.
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