When it comes to purchasing loose components such as resistors, LEDs, push buttons, transistors, diodes, and other components (which we will be exploring in Section 3, IoT Playground – Practical Examples to Interact with the Physical World, of this book), there are some guidelines that will help you out, as follows:
- Source the specific component values and part numbers listed in the Appendix. Purchase many spares since it's possible that you will damage components while learning to use them.
- If you're purchasing from sites such as eBay or Banggood, carefully review the details of the item, and preferably zoom in on the images of the parts and check the part numbers shown. Never rely solely on the title of the listing. Many sellers add a variety of terms to their titles for search optimization purposes that do not necessarily relate to the actual item being sold.
- Search around sites such as eBay and Banggood for terms such as...