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My tutorials

How to interface LCD's

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Interface LCD's on your circuits with custom graphics and animation.

LCD backpack module using PCF8574/A

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Control LCD's using serial communication protocol I2C.

DS1302 RTC chip

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Keep accurate date and time using an RTC chip.

ESP8266-01 module

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Updating AT Firmware on an ESP8266-01 module.

DHT22 Temperature and humidity Sensor

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Combine relative humidity and temperature air measurements using a single sensor.