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The ATTiny85-20PU is an 8-bit microcontroller with an 8KB of program memory. It has six general-purpose input-output pins that can also be programmed to act as ADC pins, PWM pins, SPI port, or I2C port. The ATTiny85-20PU has 512 bytes of EEPROM that can be used to store data that are rarely changed like settings or options. It also has 512 bytes of data RAM that can be used for temporary data storage. The ATTiny85-20PU has an internal clock that can be set up to 8MHz speed. The device can operate with a voltage supply ranging from 2.7V to 5.5V. Read more