This project is a small, battery-powered LED ring that fits perfectly inside of your Rav Vast drum. It uses color-changing RGB LEDs and a microphone that allows you to change the color or pattern with changes in volume. You don’t need any special skills for the construction …
Contents Introduction High Level Design Program/Hardware Design Results of the Design Conclusions Appendix A: Commented Code Gesture Recognition Code PC Interface Code Appendix B: Schematics Appendix C: Cost Details Appendix D: Tasks Appendix E: Gestures References Introduction Our project utilizes a microphone placed in a stethoscope to recognize various gestures when a fingernail is dragged …
Gesture Recognition Based on Scratch Inputs Using Atmega644 Read More »
Voice Assistants are becoming more widely accepted, devices like Amazon Echo, Sonos On, and Google Home devices are seeing the larger market share. The mounting interest in voice assistants and voice-activated platforms is leading to new ways of communicating, and in theory, creating additional channels to drive revenue. It’s estimated that 30% of searches will be done …
ESPRESSIF SYSTEMS IS BRINGING VOICE ENABLED KIT TO MAKERS AND DEVELOPERS Read More »
The 3.5mm phone jack is a well-established standard in the audio industry and continues to get strong support from users in the market. Originally invented in the 19th century for telephone switch boards, it made its way into mobile phones, tablets, and personal computers to connect audio and communication headsets for phone calls or simply …
Data-rich 3.5mm jack vies with USB-C for headsets Read More »
Here is an all-analog, all-through-hole, cheap & cheerful preamplifier for that perennial problem of getting the microphone amplification just right, which is a challenge not only with the faithful reproduction of lead vocals during concerts and recordings, but also with campfire and karaoke-ish performances specially when the beer takes hold. The two operational amplifiers of …
