2. A tour of Ardiuno Uno and the solderless breadboard — BE/EE/MedE 189 a documentation

22. Protecting Arduino with Zener diodes — BE/EE/MedE 189 a documentation

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7. ADC and USART — BE/EE/MedE 189 a documentation

19. Voltage dividers — BE/EE/MedE 189 a documentation

25. Sample-and-hold circuits — BE/EE/MedE 189 a documentation