Category: wireless
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.
Read MoreBlynk – An Introduction
Blynk is an easy-to-use IoT platform that allows you to control microcontrollers remotely. This is an introduction.
Read MoreWiFi 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.
Read MoreWireless 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.
Read MoreUsing 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.
Read MoreSIM800L module
With the SIM800L, you can add mobile phone functions to your projects, e.g. make calls or send measured values via SMS and much more.
Read MoreDCF77 – Radio Controlled Clock
Here you will learn what the DCF77 radio clock signal is, how to receive it, how to evaluate it and how to use it optimally together with the library RTCLib.
Read MoreRemote 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.
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