Si7021 Temperature Sensor Arduino Tutorial
In this tutorial you will learn how to measure temperature and relative humidity using the Si7021 Sensor and an Arduino. The Si7021 sensor is a …
Arduino
Ambient Light Sensor BH1750 with Arduino
In this tutorial you will learn how to use the Ambient Light Sensor BH1750, an OLED and an Arduino Uno to measure and display light …
UV Index Meter With VEML6070 and Arduino
In this tutorial you will learn how to build a UV Index Meter with an VEML6070 UV light sensor, an OLED and an Arduino Uno. …
Dust Sensor DSM501a with Arduino
In this tutorial you will learn how to use the Dust Sensor DSM501a with an Arduino to assess air quality. The DSM501 dust sensor module …
Dust Sensor GP2Y1010AU0F with Arduino
In this tutorial you will learn how to use the Dust Sensor GP2Y1010AU0F with an Arduino to measure dust density. We will discuss the sensor’s …
Control Parola Animations on MAX7219 LED Display
In this tutorial you will learn how to control Parola animations on a MAX7219 LED Matrix Display. We are going to chain animations, use buttons …
More Inputs With 74HC165 Shift Register
In this tutorial I will show you how to add more inputs with the 74HC165 Shift Register to your Arduino or ESP8266/ESP32. The popular Arduino …
Building the Elegoo Conqueror Robot
In this tutorial we are building the Elegoo Conqueror Robot. The instructions that come with the kit are detailed and fairly easy to follow. But …
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 …
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 …
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 …
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 …