jpmv2020

Ubuntu Tutorial: NoteMark

0 – Introduction There are lots of notetaking apps and services out there but, if you want to stay in charge of your data, not all of them can be trusted, and that is why, in this article, we will be self-hosting NoteMark. This Webapp was the one that cought my eye the most, in […]

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Esp32 Tutorial: Chip8 Console

0 – Introduction Retro gaming enthusiasts often look back fondly at the CHIP-8 virtual machine, which powered early homebrew games in the 1970s. In this tutorial, we’ll create a CHIP-8 emulator console using an ESP32 microcontroller, a keypad, an LCD, and an SD card reader. By the end, you’ll have a fully functional handheld console

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Ubuntu Tutorial: Flyimg

0 – Introduction Do you find yourself googling ‘jpeg to png’, ‘tiff to png’, ‘gif to png’, ‘crop image online’, ‘image rotate’ or any other thing related to image editing? With Flyimg, you have your own, self-hosted version, of any of those! Just copy the URL of the image you want to edit and then

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Esp32 Tutorial: All UARTS

0 – Introduction Most Esp32s have more than one UART, which lets us communicate between microcontrollers, with multiple computers and even with some peripherals like GPS modules. To follow this article you will either need atleast two Esp32s (buy here) or one Esp32 and atleast one Uart to USB converter (buy here). You can also

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