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“let’s build a PD trigger USB has evolved from a data interface capable of supplying limited power to a primary provider of power with a data interface. Today many devices charge or get their power from USB ports contained …
“The project describes how to build a 1x3 flip-disc display and how to control it via Arduino. Story The design of the 1x3 flip-disc display is based on the project describing a single module (1 disc). The principle of control …
“Have you ever found 7-segment display multiplexing a little confusing? I created this project as a simple educational tool for explaining how multiplexed displays are driven and also as a super simple reference design for users who wish to integrate …
“Get open/closed status of your garage (or any other) door, over Helium Network. I wanted to design a low power device that could send open/closed status of my garage door. Initially just so I can check that I …
“A upgrade to my SMD Hot Plate with a larger hot plate, better cooling and updated software. About 6 months ago, I built a SMD hot plate using a standard 200W element (See SMD Reflow Hot Plate). Although I use …
“Before energy meters, one of my first hobbies was creating smart switches to automate my room. Before energy meters, one of my first hobbies was creating smart switches to automate my room, it all started with a switch activated with …
“”I DONT EVEN SEE THE CODE ANYMORE” - The Matrix. Here we have a clock that presents the current time on an 64x32 RGB LED using a “Matrix-like” falling particle effect. The clock also offers other presentation styles, including an “advanced …
“This is an ESP32-based environmental sensor hub that comes with a Prometheus interface. It is designed to work perfectly with Sensirion SEN05x sensors, such as the depictured SEN055. These sensors provide PM1, PM2.5, PM4, PM10, temperature, humidity, VOC …
“Have you also been pulled into the world of chess, after it got extremelypopular? Either way it got me the inspiration to make this digital chess clock, powered by an Arduino Nano, and displayed using a LCD display. The clock …
“See how I have made my own PCB for the well-known ATtiny85 Arcade game circuit. Here you will have the schematic, parts list, step by step of soldering components, how to burn bootloader and how to upload codes for different …