Arduino

Improved web-based Serial Monitor with Plotter. Free, no installation required, online.
Anyone who’s ever programmed an Arduino or ESP32 knows the ritual: upload the code, open Serial Monitor in the Arduino IDE, and watch the stream of numbers to check if…

Numeral system converter: now with bitwise calculator, bitmask helper, and two’s complement
From a simple DEC/BIN/HEX/ASCII converter grew a solid tool for tinkerers. Signed/unsigned values, bit calculator, bitmask helper with C code, and prefix notation — free, no install.

Wokwi — ESP32, Arduino, and STM32 Simulator Directly in the Browser and VS Code (2025)
To start playing around and programming with Arduino Uno, ESP32, or Raspberry Pi Pico, you don’t necessarily need to have them on your desk.

Qualcomm is entering the maker community with a new board – VENTUNO Q.
Less than six months ago, Qualcomm entered the maker community through the acquisition of Arduino. Moreover, Qualcomm introduced its own development board – the UNO Q. Now, we have another…

The end of the friendship between Adafruit and SparkFun.
In recent days, the more observant part of the DIY and developer community may have noticed that something is happening around the popular Teensy development boards. Two well-known companies –…

Qualcomm enters the maker world: acquires Arduino and introduces UNO Q.
In today’s tech world, there’s a WOW moment thanks to Qualcomm. They announced the acquisition of Arduino, the legendary platform for DIY enthusiasts and developers.

Same old song. Lolin designed a great board as intended for battery power and killed the whole design with one component
You will design a miniature board with a Wemos D1 compatible pinout, USB charging and programming, and a battery charging circuit. Well that looks like a great board! Small, powerful…
DS18B20 Tester with Arduino
You ordered a few DS18B20 temperature sensors and after a few weeks of waiting, you finally received the shipment. You connected the sensor to your project and … nothing… Tried…

Update: EduBoard – education board with support in Arduino IDE
If you are looking for useful education board for learing of programming and electronics, maybe this news about project called EduBoard by Olimex could be helpful for your decision. The…

Updated: STM32duino III. – How to use Serial (USART)
The STM32duino library which supports a few microcontrollers from STM32 family for Arduino IDE and programming by Wiring was updated. Based on this update were also updated USART example codes.…
