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ESP32-C3 BTHome Sensor Board
Labus Oct 08,2025
The ESP32-C3 BTHome Sensor Board is an open-source PCB designed for compact, battery-powered environmental and automation sensors communicating over Bluetooth Low Energy (BLE) using the BTHome v2 protocol.It is based on the ESP32-C3 microcontroller, offering integrated Wi-Fi and BLE 5.0 connectivity, low power consumption, and flexible GPIO configuration.The board supports a wide range of sensors and peripherals through I²C and 1-Wire interfaces, making it ideal for DIY smart home projects, auto...
ESP32 IOT bluetooth
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ModiFi - Modular Bluetooth Speaker
Arnov sharma Sep 26,2025
Greetings everyone and welcome back—meet ModiFi, the Modular Bluetooth Speaker that reinvents what a Bluetooth speaker can look like.I built it specifically for my desk setup after getting fed up with the underwhelming sound from my old monitor speaker.Instead of settling, I decided to make something from scratch—something that sounded better and looked way cooler.At its heart is the ZK-502MT 2.0 Stereo Bluetooth Amplifier Board, delivering reliable wireless audio with crisp stereo output. Paire...
8th Design Contest-Mechanical Project DIY USB
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Supervisor concept Bluetooth speaker
Hoang Sep 07,2025
This Speaker use 52mm speaker and Bluetooth 4.2 CT14 5Wx2 circuit.Feel free to contact me at maileviethoang@gmail.com for more information.
8th Design Contest-Mechanical Project 3D printing Audio
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NEXO-BT - MUSIC RECEIVER
Rossi Aug 24,2025
# NexoBTNexo - in Latin connection - BT - Bluetooth. is a bluetooth receiver born from the need to connect a bluetooth audio receiver to a professional audio system with XLR outputs; something that is not very common on the market and so I decided to create it myself.# How it work?The project is governed by an ESP32 module (ESP32-WROOM-32UE-N8) which, as A2DP Sink, receives music from a device via Bluetooth and sends it via the I2S protocol to an DAC PCM5102APWR which returns two ...
MUSIC BLUETOOTH XLR
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Comparison of Audio Bluetooth 3.0 and 5.0
Jul 05,2025
Coming to bluetooth in audio applications, we have versions from 3.0 to 5.4. In the practical audio application we have to keep 2-3 things in mind. Like we need what is the max power it is consuming, what is the SNR of the received signal and what is the ideal power conditions. Some other parameters like wireless range, noise in signal, DAC resolution and number of bits also play an important role here. Today in the article we will plot them all and see the difference in performance of a 3.0 and...
11thAnniversary Audio Stereo
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Bluetooth NES Advantage
Perkins Jun 16,2025
OverviewThe BT-NES-Advantage is a custom Bluetooth adapter built into the NES Advantage controller, allowing it to connect wirelessly to modern devices as a standard Bluetooth gamepad. This project uses an ESP32-C3 microcontroller to read the NES controller's inputs and transmit them via Bluetooth HID protocol.Features- Wireless Bluetooth connectivity- Standard gamepad HID implementation- Long battery life with low power sleep mode- RGB status LED indication- Battery level monitoring and reporti...
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3d Printed Wireless Earphone
Singh May 30,2025
These days, most new smartphones don’t come with a headphone jack. And if you're like me, you probably have a few old wired earphones lying around that still work perfectly—but can’t be used anymore. Instead of throwing them away, why not turn them into something cool?That’s exactly what I did with this project—a 3D Printed Wireless Earphone! It’s a simple but fun way to give your old earphones a second life by turning them into Bluetooth earphones that are not only wireless but also wearable. I...
3D printing Bluetooth Music
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Bluetooth control for LED lights or motors with ESP32 C3
Diaz Apr 21,2025
Con esta tarjeta puedes controlar vía Bluetooth motores o luces led con ayuda del ESP32 C3 (yo utilizo la versión super mini), para ello necesitamos crear una App, yo utilice la plataforma de RemoteXY.Aparte realice un mecanismo de piñón cremallera para poder controlarlo con motor, el diseño lo corte con CNC, y te comparto también el archivo.Aquí encuentras todo lo que necesitas para llevar a cabo la practica en protoboard de encender Leds vía Bluetooth y el controlar motor con un circuito hecho...
CNC machining CNC milling ESP32
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Low Power AM Transmitter with Bluetooth
Caldeira Apr 19,2025
Low Power AM Transmitter with BluetoothThis DIY AM transmitter lets you wirelessly broadcast music or audio from any Bluetooth-enabled device to vintage AM radios around your home or workshop. Designed for simplicity and performance, it features:Bluetooth audio input for modern wireless streamingAdjustable transmit frequency, typically around 1.3 MHzAdjustable modulation depth for clean, controlled soundAntenna tuning for maximum range and signal clarity3-meter wire antenna, chose...
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XJK1310-BT
Vas Apr 06,2025
Adding Bluetooth to XJK1310 scales.IMPORTANT: PCB thickness must be 1.0 mm.
DIY Bluetooth
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Popular Project
Bruce RF Reaper PCB
Explore!https://bruce.computer MCU ESP32 S3 N16R8BATTERY 1000MAH6 WAY BUTTONAW9523 IO EXPANDERNRFCC1101 433MHZNFC ST25R3916VIBROBUZZERIR TX RXIBUTTONSDCARDLEDGPSFLIPPER ZERO HEADER COMPATIBL...
Self-Balancing Robot PCB
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What is Sesame?Sesame is a 3D-printable quadruped robot powered by an ESP32. It runs on 8 MG90S metal-gear servos (two per leg) and features a 128x64 OLED display for a face. It walks, dances, waves, ...
World's Smallest 1S Battery Charger
This is a very small 1S lithium battery charger board designed for projects where space is extremely limited. It charges single-cell Li-ion or Li-Po batteries (3.7V nominal) using a USB Type-C input. ...
AERIS-10 Open Source Phased Array Radar
The AERIS-10 is a low‑cost open‑source phased‑array radar platform designed for makers, researchers and educators. Operating around 10.5 GHz, the system can detect and track multiple objects at ranges...
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