INA226 Current and Power Sensor
The INA226 is a current and power sensor which, in contrast to the INA219, is equipped with an alarm pin for limit violations. I present the INA226 module and my associated library.
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INA219 Current and Power Sensor
With the INA219 module, you can measure currents and power conveniently and reliably. I explain how this works and introduce my library INA219_WE.
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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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Arduino IoT Cloud – Part 2: Arduino SIM and Sigfox
Many projects are implemented in places where there is no Wi-Fi. Connectivity via the Arduino SIM card or Sigfox are possible alternatives. This article is a guide and a testimonial.
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Arduino IoT Cloud – Part 1: Introduction
With the Arduino IoT Cloud, projects can be easily controlled over the Internet. I will show you step-by-step how this works, but also go into limitations.
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aTeVaL 2.0 – The Universal Tool
The aTeVaL 2.0 is a development board that you can use as an ISP programmer as well as a serial programmer for the Arduino IDE. Here’s an introduction.
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LED dot matrix display control
I show you how to control an LED matrix display and how you can create a running font. I use the LedControl library, but I also show how to do it without.
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LM393 – turns analog into digital
Using the LM393, analog sensors can deliver digital signals. This can make programming much easier. In this article I will show you how this works using an LDR (light dependent resistor).
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HX711 based balance
With an HX711 module and a load cell, you can easily build an astonishingly precise balance. I also show you how to install an automatic shut-off system.
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LTC6995 – Long Timer, Low Frequency Oscillator
The LTC6995 covers periods from one millisecond to 9.54 hours. It is suitable e.g. as an oscillator, power-on reset tool, sleep mode alarm clock and watchdog timer.
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