Skip to content
Free public beta until December 4, 2026: every course is open, no card needed. After that, the first chapter of each course stays free and full access is a one-time $39 ($19 for up to 100 founding members chosen for helpful feedback). Your progress is kept. How the beta works

iot

Recognizing which embedded-systems skills (non-blocking loops, state machines, NVS, Serial) connected firmware leans on

taught

Taught in

Requires

Required by

Local knowledge map

Local knowledge map

Naming the roles in a connected system (device, gateway,… Telling a standard from a protocol, a radio capability and… Saying what makes an embedded device an IoT device, and what… Recognizing which embedded-systems skills (non-blocking… Building a room controller around a table-driven state… Measuring distance with ultrasonic timing, time-of-fligh… Naming the ways a device's connection fails (access point,… Running several timers and state machines in one loop as a tiny… Scheduling reconnect attempts with exponential backoff,… Designing a finite state machine with states, events and… Timing with millis() and rollover-safe unsigned subtraction Choosing integer types by width on 8-bit vs 32-bit… Debouncing a button in firmware with a time window or a state… Explaining why delay() makes a sketch miss inputs

Click to expand

Solid arrows are required prerequisites; dashed are recommended or helpful. Lower rows are more foundational. Click any box to jump to that concept.