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“In this article, I am going to show you how I created my ESP32-based door lock mechanism using a keypad and a database to store my valid list of keycodes. The ESP32 board interfaces with a keypad, an I2C …
“Make a old-style telephone ring with ten party-line (Morse) codes plus the standard USA and New Zealand ringing cadences. Story I’ve been an amateur theatre nut for 50 years and was challenged to make a 1950’s party line …
“A while ago, I made the first version of the Cipherbox. In my opinion, it was already resembling a fortress, but it was in no way flawless. It had two serious vulnerabilities: 1) Absence of the integrity verification feature; 2 …
“The Badger 2040 keypad is an inexpensive programmable USB macro keypad with keymap display. The firmware is based on CircuitPython and can be easily extended by yourself. If you just want to customize key bindings, you don’t even need …
“A minimalist 18 key numpad using the Seeed Studio XIAO RP2040, a single analogue pin, and room for expansion! Story If you’re anything like me, you have a relatively modern and compact laptop as your main computing device - but …
“A simple code and design to build a vending machine with cardboard or a 3D printer! I’ve seen so many YouTube videos and pictures of people making things like this however they never gave the code; so, I decided …
“Cornstarch mini pottery machine, and built with an old printer and cd-player My idea was born from the experience of seeing and buying samples of miniature pottery made of clay. Some time later, I had the concern to learn to …
“The MacroPad is a Raspberry Pi PICO based Micropython macro keyboard. I features a SD card that can hold multiple macro sets for each program you load on the card. Each TXT file can map a caption, color, and series …
“IR Clone is an open-source infrared remote control signal analysis and generating tool. IR Clone is an open-source IR remote control analyzer tool. This utility can analyze any IR remote control that modulates the IR signal with a 38kHz carrier …
“Let me begin this tutorial by reminding you that storing your passwords in an unencrypted form is the same as keeping the key from your house under the mat. Your house might have the best lock in the world, but …