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

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

Ardess Prototype Shield: work well for Arduino uno microcontroller.The board fits on top of the Arduino Uno R3.Very easy to hack for your projects

Ardest Fully Assembled Arduino Compatible Prototyping Shield + Mini Breadboard + Free Jumper Wires Cable for Arduino UNO MAGA Nano Due Robot

Arduino Uno Basics: Beginner's Guide to Getting Started

Getting Started With Arduino : 6 Steps (with Pictures) - Instructables

Pulse oximetry — BE/EE/MedE 189 a documentation

be189.github.io/do_it_yourself_exercises.html at main · be189/be189.github.io · GitHub

📌 Convenient: This Kit allows you to move quickly from an electronic circuit prototype on a Breadboard to a permanent and reliable electronic circuit.

Prototype Boards (Mini + Medium)

Arduino Uno Basics: Beginner's Guide to Getting Started