Este curioso proyecto nos permite comunicarnos por voz de forma inalámbrica con una simple lata de café. :) Utiliza con #Arduino #Uno, #micrófono, #NRF24L01 con antena, #Amplificador de #audio #386AMP. https://t.co/0uduaSvUT1 #MAKER #DIY #IOT #FPGA #IA #ESP32…

Make a Web-Radio for Less Than $15: So, I decided to do a project I've been postponing for a while:A homemade, fully functional web radio, complete with amplifier and speaker, for under 15€!.You can change between predefined streaming radio stations with…

Electric Thrush: Sitting on the deck in late evening I was truly amazed at the resonant call of a tiny bird sitting on a bare twig at the top of a distant birch tree. The call is amazingly potent to the ear. It belongs to a family of unique singers -- thrushes.…

Head Phone Amp With Custom PCB: I've been building (and trying to perfect) the headphone amp for some time now. Some of you would have seen my previous 'ible builds. For those that haven't I have linked these below.On my older builds I have always used…

Kaiten Speaker: Originally designed as a Christmas present for my parents, these speakers took several iterations until I decided to finally post them online a full year later. The request was for speakers that can act as a surround sound system with our…

DIY Bluetooth Speaker From Scratch!: I've always wanted to make my own Bluetooth speaker from scratch and with my new found free time I decided to accelerate that want into a reality! The board I designed revolves around the XS3868 Bluetooth module and the…

Darth Vader Speaker : If you are big fan of Star Wars movies, follow the steps below to make your very own Darth Vader Speaker. As part of the build we are going to use a Raspberry Pi Zero W as the heart of the project, and an I2S class D mono amplifier…

Concerned about the privacy implications of always-on microphones, researchers have created a clever wrist-worn jamming device.

Wink Detector: a.articles {

font-size: 110.0%;

font-weight: bold;

font-style: italic;

text-decoration: none;

background-color: red;
}
a.articles:hover {

background-color: black;
}
This instructable explains how to make a “wink-detector” from a modified…

Es adecuado para su  . Haz clic aquí para comprobar si este producto es compatible con tu modelo P.when("ReplacementPartsBulletLoader").execute(function(module){ module.initializeDPX(); }) Número de pieza de Adafruit: 3006 Tipo de Stock: Tableros Breakout…

Acerca de este producto Es adecuado para su  . Haz clic aquí para comprobar si este producto es compatible con tu modelo P.when("ReplacementPartsBulletLoader").execute(function(module){ module.initializeDPX(); }) Número de pieza de Adafruit: 3006 Tipo de…

Visualize sound frequencies spectrum with an OLED 128x32 display, Arduino Nano 33 BLE and an electret microphone amplifier (MAX9814).

Read temperature using a K-Type Thermocouple with the MAX6675 amplifier with the ESP32. A K-type thermocouple is a type of temperature sensor with a wide measurement range.