A complete tutorial on Wi-Fi communication between two boards with temperature sensor and OLED display: randomnerdtutorials.com/esp32-.

A complete project with , , OLED display, sensor (temperature, humidity and pressure) and a web server serving pages from the ESP32 file system () for consultation from your mobile: randomnerdtutorials.com/esp32-.

Teach yourself programming with MakeCourse.com, a self-study 15-week video training: makecourse.com/

A bundle of 20+ tutorials on and sensors of all sorts: cpham.perso.univ-pau.fr/LORA/W. Covering , GPS, temperature, distance, publishing, etc.

Extensive article on how to use interrupts on the : gammon.com.au/interrupts.

You don't need this for basic projects but interrupts are inevitable in more complex projects where reliable input/output interactions are needed.

Short reminder of the difference between "Current Sourcing and Sinking" for your projects.

- Current Sourcing: When a load is connected to a device so that the device supplies current to the load

- Current Sinking: When a load is connected to a device so that current flows from the power supply through the load and into the device

startingelectronics.org/articl

Complete end-to-end guide to programming The Things Uno to send and receive data via The Things Network with thethingsnetwork.org/docs/devi

The randomnerdtutorials.com site looks a great source of information for DIY projects, with gratis and paid tutorials, , videos, etc. For example, it has handy references of different pin layouts of kits, and amongst others the compatible D1 Mini: randomnerdtutorials.com/esp826.

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