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Just buy this Arduino course
Just buy this Arduino course and learn Arduino from scratch, everything from available boards all the way to code optimization
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ST7735 TFT LCD display
In this article we will learn how to use the ST7735 TFT LCD display with Raspberry Pi RP2040 Zero and…
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Create analog voltage with MCP4725
Today I bring you a way to create analog voltage with MCP4725, a DAC (digital to analog) chip. We are using ESP32-C3 and Arduino code
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Create analog voltage with PCF8591
I will teach you how to create analog voltage with PCF8591 and ESP32 in the Arduino IDE. Voltage between 0 and 3.30V from the serial monitor
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GPS tracking with ESP32-C6
I will teach you how to implement a GPS tracking with ESP32-C6, using softSerial and showing data on Arduino IDE’s serial monitor
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7 segment LED display and ESP32-C6 – common anode
Learn how to control a 7 segment LED display and ESP32-C6, to show numbers and letters. We will use a function to control it
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Analog input with PIC12F675 and MPLAB X
Today I will show you how to use analog input with PIC12F675 and MPLAB X, configuring registers and using interrupts for showing data
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Blinking an LED with PIC12F675 and MPLAB X
Let’s get blinking an LED with PIC12F675 and MPLAB X, using the PICkit3 programmer and without delay() function (using interrupts)
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Using two LEDs as Human-machine interface
Today I will show you something very uncommon, using two LEDs as Human-machine interface. We will show an integer blinking LEDs
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Hilink ultrasonic presence sensor
Let’s dive in and figure out how to use a Hilink ultrasonic presence sensor, all you need is an LED and a resistor
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Tiny 0.49″ OLED display
Today we will learn how to control and use the Tiny 0.49″ OLED display from Aliexpress, a real tiny interface device
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2024 FritzenLab blog’s year in review
Today I bring you the FritzenLab blog’s year in review, a compilation of numbers from my various social networks
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Making sounds with LDR and buzzer
Have you thought of making sounds with LDR and buzzer? this is exactly what we are doing in this post, so get ready to rock!
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HDC1080 temperature and humidity sensor
Let’s get to know the HDC1080 temperature and humidity sensor, an integrated sensor made by Texas Instruments, communicates via i2c
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Power Arduino and ESP32 from batteries
Let’s dive in and learn how to power Arduino and ESP32 with batteries, using a few Aliexpress modules on the way. All safe and sound.
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16×2 LCD display with ESP32
Let’s get controlling a 16×2 LCD display with ESP32, using the Arduino IDE and a simple library. It can control various sizes of displays.
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SGP40 air quality sensor with ESP32
Today I will show you how to write code and test the SGP40 air quality sensor with ESP32 and Arduino code. It needs a companion SHT21
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Human eye light level sensor BH1750
Let’s study the human eye light level sensor BH1750, a sensor capable of sensing between 1 and 65535 Lux via i2c
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Binary clock with ESP32 and API
I am showing you how to implement a binary clock with ESP32 and API, getting hour and minute from the internet and showing in LEDs
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Capacitive touch and debounce with Renesas RA4M1
I am showing you how to implement a capacitive touch and debounce with Renesas RA4M1 and TTP223b touch controller, using Arduino code