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“In this instructable I show how to convert a simple battery powered LED lamp into an IoT device. This project includes: soldering; programming ESP8266 with Arduino IDE; making android application with MIT App Inventor. The object of interest is this …
“Let’s make a simple arduino switch. It is very useful way to run your devices for specific time. Supplies: 1. Arduino Uno 2. Dot matrix PCB 3. OLED 0.96’ Display 4. 5v Relay 5. BC547 Transistor 6. 1N4007 …
“My wife and I meet friends and family once a week to play Bingo at a local restaurant/bar. We sit at a long table. Facing me is a man with impaired hearing and vision. The room is very noisy …
“Using 2 ATmega328s, this clock displays and decodes the DCF77 signal using 150 LEDs and 4x 7 segment display modules on a 12” (305mm) dial. This Clock displays the DCF77 time code on 2 rings of 60 LEDs on a …
“One day I was wondering: how much electricity is flowing through my apartment right now? Looking online I found various sensor devices like Smappee and Sense, but those are relatively expensive and even require a subscription. So I decided to …
“I have been experimenting using different ESP32 development boards, recently I ordered of the TTGO T-Beam variety which come with a Battery socket to add your own 18650 Lipo, this really takes some of the power regulation complexity out of …
“RG Tic Tac Toe is a classical game can be made in diverse versions. But, I decided to build it with common cathode RG LEDs of 5mm as monitor of results so that once manipulated the respective switch, the LED …
“I have in my hand a distance laser sensor with high precision and speed. It is used in industrial environments for object positioning or detection applications. According to technical documents, I found it can communicate with other devices via RS485 …
“The Oshman Engineering Design Kitchen (OEDK) is the largest makerspace at Rice University, providing a space for all students to design and prototype solutions to real-world challenges. To serve this purpose, the OEDK houses a number of power tools and …
“Relive the fun of early computer game music with an authentic 8-bit chiptune synthesizer, which you can control over MIDI from the comfort of any modern DAW software. This simple circuit uses an Arduino to drive an AY-3-8910 programmable …