Find I2C and SPI default pins
In this tutorial you will learn how to find the default pins for the I2C and SPI interface for the microcontrollers supported by the Arduino …
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Drive Power LEDs with LD1500SB and ESP32
In this tutorial you will learn how to drive power LEDs with the LD1500SB LED driver and an ESP32. Normal LEDs can be directly controlled …
Monitor Battery Levels with MAX1704X
In this tutorial you will learn how to monitor LiPo battery charge levels using the MAX1704X. The hardware and code examples are for an ESP32 …
Blink LEDs with different Frequencies
In this tutorial you will learn how to blink multiple LEDs together but with different frequencies or delays and duty cycles using an Arduino or …
Control LED Filament with Arduino
In this tutorial you will learn how to control a COB LED filament with Arduino using an LED driver board. COB LED Filaments are high …
Dim High-Power LED with Arduino and LD24AJTA_MINI
In this tutorial you will learn how to dim a high-power LED with the LD24AJTA_MINI driver and Arduino. High-power LEDs are like normal LEDs but …
Motion Activated ESP32-CAM
In this tutorial you will learn how to build a motion-activated, battery-powered ESP32-CAM (AI-Thinker) to take pictures, whenever a PIR sensor detects movement. We will …
Programming the ESP32-CAM
In this article you will learn the programming of the ESP32-CAM module. The ESP32 Camera modules are comparatively cheap and very nice to build simple …
Control Power LEDs with LD24AJTA and Arduino
In this tutorial you will learn how to control high current power LEDs with the LD24AJTA driver and Arduino. Standard LEDs are typically used as …
Control Air-Conditioner via IR with ESP32 or ESP8266
In this article you will learn how to control an Air-Conditioner via IR with an ESP32 or ESP8266 microcontroller. Most, modern Air Conditioning units come …
Control an ESP32 via Wi-Fi
In this tutorial, you will learn how to implement a web server on the ESP32 microcontroller to control it wirelessly over Wi-Fi. This allows you …
Read Fan Speed Signal with Arduino
In this tutorial you will learn how to read the speed or tachometer signal of a 3- or 4-wire fan using an Arduino. Fans are …
How to Monitor Battery Voltage for Battery Powered Projects
In this tutorial you will learn how to monitor battery voltage levels for battery-powered projects so that you can recharge the battery in time. For …
How to Set Up a Raspberry Pi
The Raspberry Pi is a small, affordable, and versatile single-board computer that has gained immense popularity among makers, hobbyists, and professionals alike. In this article …
Automatic Daylight Savings Time Clock
Does it annoy you having to adjust all clocks to daylight saving time twice a year? If so, then this article is for you! I …
Spin the Wheel Game
In this tutorial, you will learn how to build a Spin the Wheel game using LEDs, a buzzer, and an Arduino. The Spin the Wheel …