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Bicycle speedometer project – update 2
An update on the bicycle odometer project, I started tinkering with the ESP8266MOD power consumption a bit. Such a pain
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Bicycle speedometer with ESP12 – update
I started coding for my Bicycle speedometer with ESP12. The idea of the code is to light a single LED…
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HW-006 optical line tracker sensor
The HW-006 optical line tracker sensor is an optical assembly used to track lines, mainly for small competition vehicles
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Hobby servo motor SG90 with ESP32-C6
We will see how to control the hobby servo motor SG90 with ESP32-C6, by using a library called Servo.h. Simple way of controlling a servo
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Using the ESP32-C6 with CircuitPython – flashing the bin file
I will show you how to get using the ESP32-C6 with CircuitPython, flashing the bin file to make it work. We will use an Espressif software
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WS2812b addressable RGB LED with ESP32-C6
We will learn how to use the Ws2812b addressable RGB LED with ESP32-C6, a light emitting diode chip which can do many RGB colors
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Encoder ky-040 soft library – without interrupts
Let’s implement code for the encoder ky-040 soft library – without interrupts, just an if that enters the reading every 5ms
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LED display clock and thermometer with DS1307 and TM1637
Let’s do a LED display clock and thermometer with DS1307 and TM1637 (a RTC real time clock and a 4-digit LED display) with Arduino UNO
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Real time clock RTC DS1307 Arduino
We are going to get to know the real time clock RTC DS1307 chip with Arduino code, adjusting and reading time and date
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GC9A01A round LCD 240×240 display
We are going to study the GC9A01A round LCD 240×240 display, a neat little round color display programmable with Arduino
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Top 10 most read FritzenLab articles of June/2024
A list of the top 10 most read FritzenLab articles, containing the ten articles most viewed and read in June of 2024
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DIY 3A/5A bench power supply
I made a bench power supply featuring variable voltage (4.5-12V at 5A), fixed 3.3V and 5V at 3A each. All of it using cheap modules.
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Soil moisture sensing ESP32
We are going to study the technology of Soil moisture sensing using ESP32-S2 and sending data to Thingspeak
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OLED display with Arduino
Today we are going to dive into the technology of OLED display with Arduino, trying out two libraries and settling for one with Arduino UNO
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Bicycle odometer project – update 3
Another update for you on the bicycle odometer project, showing that I have finished the schematic and routing the PCB
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Bicycle odometer project – update 2
A quick update on the bicycle odometer project, to show you that I have finished the schematic and done a tentative PCB design
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Bicycle odometer project
Update one of the bicycle speedometer project, an instrument used to measure speed of a bicycle using a single reed switch sensor
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RCWL-0516 microwave radar sensor
Let’s talk about the RCWL-0516 microwave radar sensor, a human-presence detector sensor using microwaves. Simple Arduino interface (one wire)
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PIR motion sensor Arduino
We are discussing how to use the PIR motion sensor, a infrared human motion sensor with Arduino, using a single digital input
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433MHz transmitter receiver Arduino
Do you know how to use the 433MHz transmitter receiver with Arduino? it allows wireless communication between two parts