Anything can be used as a key as long as you know the password.
This audio device enables swimmers with limited vision to safely navigate through the pool using their sense of hearing.
What if an unassuming payphone housed a tiny STEM library? Dial STEM to learn!
Measuring sound and analyzing data using the ELEGOO big sound sensor.
I made a brief comparison between these two SDR radios. Small Chinese SDR receiver will meet the needs of every radio listener, especially
A 555 timer Atari punk console for all the bleeps and bloops.
Using ultrasonic sensors to measure distance of obstacles, taking into account temperature and humidity that affect the speed of sound.
Using an Arduino Nano on an expansion board with push-buttons, one to play a sound and the other to select a sound effect from a WT588D.
It looks like a normal trophy from the outside, but the slightest touch will cause this trophy to break out into song.
Just another Pro micro Volume Knob Setup with POTENTIOMETER
You can hide pictures in your favourite sound by generating custom sound spectrogram from an image in Python.
I made this LED pendant light from plywood, LED strips, and flexible LED channel. It is controlled by an Arduino and syncs to music.
Play around with Lego, Arduino, stepper motors, IR, and piezo beepers! Blip, blop!
While building my last project, I rediscovered that I purchased and forgot about this RPi kit. It was hidden in a box.
An ATtiny-based tiny USB lamp that can be turned on/off by knocking, clapping, blowing, finger snapping and shouting.
Bela is an open-source platform for super responsive audio and sensor processing with the PocketBeagle.
Inverting an OP-AMP inverts a signal, so shouldn't it be easy to build a noise cancelling headphone? Let's find out!
555 timers used as oscillators. Frequency is decided by different capacitors which can be inserted in the circuits on the fly.
My little brother works for Facebook and in Building 14 they have an amazing LEGO wall! I knew I needed one in my house!
A device to prevent students running fast.
Multisensorial mathematics.
Now you don't have to fear antivaxxers! This neat lil tool will detect if someone near you is vaccinated or not!
A robot which moves in all directions using servos and a 3d printed body
A sound-following robot using two microphone sensors on the TI-RSLK MAX!
