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Line-following Robot Tutorial
MQ-135 Arduino Library
and microcontroller integration
tpd @ nom Voltage (Max)(ns) - 160
The below image is showing the pinout of the GT521F32 sensor
Multi Coin Acceptor Programable for Vending Machines Arduino Beginner Getting Started Kit Line-following Robot TutorialAre you using electronics to try to make a quick buck? Why stop at dime sized items? This coin acceptor will accept as many as six distinct coin types! This programmed coin acceptor makes it simple to monetize your next project, regardless of whether you're creating your own arcade cabinet or simply charging entrance fees to your home. The thickness, diameter, and fall time of the coins are used by the sensors in this coin acceptor to identify them,
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