Grain elevator and joystick: what they have in common

1. Step 1. Grain elevator — uses — Grain. It stores and transfers grain.
2. Step 2. Grain — is material for — Bread. Bread is baked from flour ground from grain.
3. Step 3. Bread — uses — Bread machine. Baking at home.
4. Step 4. Bread machine — uses — Microcontroller. Programs.
5. Step 5. Microcontroller — is part of — Gamepad. A microcontroller polls the buttons.
6. Step 6. Gamepad — evolved from — Joystick. A game controller.

Open Evothings