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“I recently have updated “ESP WiFi Microphone” project to rev 1.3 and now the revision 1.4 is available which is stronger and more stable than rev 1.3. This project is compatible with both of ESP8266 and ESP32 …
“How it works The Time-of-Flight (ToF) sensor measures the approximate distance between the main trombone section (bell brace) and the slider brace. It sends this data over USB Serial to the PC running my custom software, which combines this with …
“A hand-carved wooden rib cage with a heart of LEDs. The lights have several modes including a sound reactive heartbeat to the music. Use 3D model of a rib cage to find shape of each rib I chose this 3D …
“Previously I introduced Arduino base Sound Level Meter circuit (From hereinafter as SLM) circuits using simple LEDs. This time let’s change the visual effect with a more multifunctional 8x8 LED dot matrix display. Although the previous SLM used Adafruit …
“A small microphone amplifier circuit using operational amplifier in single power supply mode. Thinking a little bit on audio recording device, Mic section attracted my attention. In mobiles inbuilt amplifier is enough to record the sound via external microphone. That …
“This is a sound level meter circuit consisting of an electret condenser Mic, pre-amplifier circuit using NE5534/TL071 and LM3915 bar/dot display driver chip. According to the sound pressure captured by Mic, this device shows sound levels with LEDs …
“Build a voice-activated LED light strip controller on the cheap with Raspberry Pi Pico. LED light strips, sometimes called “Neopixels” in the maker community, are the perfect choice for interior lighting. They’re easy to install, inexpensive, and are completely …
“This is my next build using LED matrix’s. You may have seen my last one - 81 LED Chaser, well this project uses 100 LED’s and is an oscilloscope! Admittedly, the resolution isn’t great for checking measurements (it …
“You are alone? Maybe in quarantine? Need someone to talk to? Or just a friendly listener? Or do you want to have a nice argument? Your robot needs a cute face? Conversation face can help you. Supplies: - Arduino nano/Wemos …
“Ever wondered how come you can just simply tune in to your favorite FM Radio Channel. Moreover, ever had the curiosity of making your own FM Station on a specific frequency? Well if the answer is Yes to any of …