Create a compact running game on a 16×2 character display by cycling custom glyphs and updating the scene without blocking input.
Build a packet-based 2.4 GHz link with stable 3.3 V power, local decoupling, unique addresses, retries, and interference-aware testing.
Switch a small DC motor from an LDR threshold using a properly rated driver, flyback protection, and hysteresis to prevent relay chatter.
Read a 24-bit pressure module only after identifying its exact sensor and protocol, then calibrate zero and span with a known reference.