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

embedded-systems

Choosing and reading temperature and humidity sensors (thermistor, DHT22, BME280/SHT3x)

taught

Taught in

Requires

Required by

Local knowledge map

Local knowledge map

Reading light and barometric-pressure sensors and turning… Choosing and reading temperature and humidity sensors… Designing, documenting and versioning a small reusable driver… Driving character LCD, OLED and e-paper displays, and… Explaining warm-up, calibration drift and why hobby gas sensors… Explaining what accelerometers, gyroscopes and… Measuring distance with ultrasonic timing, time-of-fligh… Reading capacitive touch pins and handling thresholds… Telling accuracy, precision and resolution apart Using Hall-effect sensors and quadrature encoders to sense… Installing libraries and pinning their versions so a build i… Reading a sensor datasheet for supply range, interface,… Reading an analog pin and scaling the code to volts for a named… Converting between ADC codes and volts from resolution and… Finding absolute maximums, recommended conditions, typical v… Reading a button on a digital input with the internal pull-up,… Setting up a PlatformIO project in VS Code with pinned…

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.