Build a one-button side-scrolling game on an ST7735-class TFT after confirming whether the specific breakout accepts 5 V logic or requires 3.3 V levels.
Create a compact running game on a 16×2 character display by cycling custom glyphs and updating the scene without blocking input.
Drive a bipolar NEMA 17 stepper with STEP/DIR signals after setting the DRV8825 current limit and providing correct motor power and cooling.
Build a packet-based 2.4 GHz link with stable 3.3 V power, local decoupling, unique addresses, retries, and interference-aware testing.