// +build pca10040 package machine // The PCA10040 has a low-frequency (32kHz) crystal oscillator on board. const HasLowFrequencyCrystal = true // LEDs on the PCA10040 (nRF52832 dev board) const ( LED Pin = LED1 LED1 Pin = 17 LED2 Pin = 18 LED3 Pin = 19 LED4 Pin = 20 ) // Buttons on the PCA10040 (nRF52832 dev board) const ( BUTTON Pin = BUTTON1 BUTTON1 Pin = 13 BUTTON2 Pin = 14 BUTTON3 Pin = 15 BUTTON4 Pin = 16 ) // UART pins for NRF52840-DK const ( UART_TX_PIN Pin = 6 UART_RX_PIN Pin = 8 ) // ADC pins const ( ADC0 Pin = 3 ADC1 Pin = 4 ADC2 Pin = 28 ADC3 Pin = 29 ADC4 Pin = 30 ADC5 Pin = 31 ) // I2C pins const ( SDA_PIN Pin = 26 SCL_PIN Pin = 27 ) // SPI pins const ( SPI0_SCK_PIN Pin = 25 SPI0_MOSI_PIN Pin = 23 SPI0_MISO_PIN Pin = 24 )