Exercises
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Add an Ethernet shield to the Blaminatr so you can blame people via the Internet and not only via the serial port. Pointing your web browser to an address such as http://192.168.1.42/blame/Maik should blame me.
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Create a thermometer based on a TMP36 temperature sensor and a servo motor. Its display could look like the image below; that is, you have to move an arrow that points to the current temperature.
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Use an IR receiver to control the Blaminatr. You could use the channel key of your TV set’s remote control to move the Blaminatr from one name to the other.
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