// +build avr,arduino package machine const CPU_FREQUENCY = 16000000 // LED on the Arduino const LED = 13 // ADC on the Arduino const ( ADC0 = 0 ADC1 = 1 ADC2 = 2 ADC3 = 3 ADC4 = 4 // Used by TWI for SDA ADC5 = 5 // Used by TWI for SCL ) // UART pins const ( UART_TX_PIN = 1 UART_RX_PIN = 0 )