Wireless Archive • Wolles Elektronikkiste

ESP-NOW

With ESP-NOW you can easily send messages of up to 250 bytes between ESP32 and/or ESP8266 boards. A step-by-step introduction.

nRF24L01 – 2.4 GHz radio modules

Using the nRF24L01 and the RF24 library, you can exchange data between microcontrollers via 2.4 GHz radio. I show how it works.

Blynk – An Introduction

Blynk is an easy-to-use IoT platform that allows you to control microcontrollers remotely. This is an introduction.

WiFi BBQ thermometer

I will show you how to build a WiFi BBQ thermometer with a temperature sensor, an ESP32 board and a few other components.

Wireless BBQ thermometer (433 MHz)

I will show you how to build a wireless 433 MHz BBQ thermometer with alert function and graphical display of the temperature curve.

Using WiFi with the ESP8266 and ESP32

I show you step by step how to network and control your ESP32 or ESP8266 boards via WLAN and how to exchange data between them.

HC-12 Radio Module

The HC-12 radio module is easy to handle and has a long range. I’ll show you how it works, how you make settings, and how you use it legally compliant (in Germany).

Remote shutter for smartphones – Part 2

In this second part about remote shutters, I’ll show you how to trigger your smartphone camera with BT modules like the HC-05 or HC-06.

Remote shutter for smartphones

I show you how to hack a remote shutter for your smartphone to control it via an Arduino. Moreover: problem-solving for long-term operation.

Using IFTTT and Webhooks with the ESP8266

You want to be informed about out-of-control sensor readings on your smartphone (free of charge)? No problem with IFTTT (if this then that). I’ll show you step by step how to do this and how you track things online.

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Wolles Elektronikkiste

Die wunderbare Welt der Elektronik

Category: Wireless