You get ATtiny85 with usb connector as very cheap module on aliexpress. To programm that thing without a programmer you need to burn a (small) bootloader. After burning it, pressing reset (GND to p5) ...

A concise step-by-step guide to use an Arduino UNO as an ISP programmer and burn code into an ATtiny85.

You will probably be familiar with I²C, a serial bus typically used for not-very-fast communication with microcontroller peripherals. It’s likely though that unless you are an I²C wizard you won’t be ...

Small I2C OLED displays are common nowadays, and thanks to the work of helpful developers, there are also a variety of graphics libraries for using them. Most of them work by using a RAM buffer, which ...

A bootloader is a small program that manages the boot process of a computer system. It acts as an interface between the hardware and the software of a computer system. In simpler words, it is a ...

If you recently moved from BIOS to UEFI and you cannot boot your computer since then, here is how you can repair the EFI bootloader in Windows 11/10. It is pretty easy to repair the EFI bootloader ...