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Amazon.com: Aihjcnele Attiny85 Digispark Kickstarter USB Module Development Board Compatible IDE for Arduino General Micro USB MCU Development Module Compatible with UNO R3 PWM I2C SPI ADC I/O with Cable Wire :
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GitHub - fooker/attiny85-i2c-pwm: I²C controleld PWM generator based on ATTiny85
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