Hardware projects using buzzer
Open buzzer hardware projects on BoardRepo. View the schematic, PCB, and BOM in your browser and download the sources, BOM, and Gerbers.
Projects
Hardware config
Badge HackGDL v2.0 2025
GamePad. End-to-End PCB Design in KiCad
Custom made Pi hat for use in Airbrakes
Keyboard | Hall Effect | OrthoLinear | Programmable | Standard-sized
Hardware, software, and devlog of the Athan Lamp project.
RFID attendance and entry-exit prototype for Vasant Valley School: ESP32 and RC522 firmware with a TFT status display, a custom KiCad PCB, a FastAPI backend, and a web dashboard with Firebase mirroring.
poc pcbs for artsfest thing
Mechanical Numerical Keypad with local Audio FX The desire to make this little keypad came from idea to reuse a some of the parts from a broken keyboard someone gave me.
UniQHW
KiCad6 project for my raspberry pi picow fan controller
A wire-free laser security tripwire system powered by an ESP32-S3. Features independent transmitter nodes, multi-bounce mirror pathing, dynamic auto-ambient light calibration, custom KiCad PCB files, and 3D mechanical mounts.
KiCad hardware design for a battery-powered Bluetooth speaker โ STM32WB15 BLE SoC, TDA7297 audio amplifier, switching power regulation.
Table clock using VFD.
Archival hardware/firmware for the MM54104 Digitalker chip
Industrial Air Quaulity Monitoring Slice for BREAD.
A christmas card made from a PCB with a STM32, LED display, buttons, and buzzer.
Blog post, hardware & firmware files for my custom PCB business card
ๅตๅ ฅๅผ่ชๅจๅๆต่ฏๅทฅๅ ท
Neo6502 Modern Retro Computer with W65C02S processor and RP2040 memory and peripherals emulator
World fastest 6502 computer. All in one Open Source Hardware and Software Modern Retro computer with real 6502 processor, HDMI, USB Flash drive, USB Gamepads, mouse, Keyboard support.
Badge Oficial de EkoParty 2024
opinionated_60 โ a fixed-layout ANSI-based 60% mechanical keyboard PCB for Cherry MX-style switches
Two team score board w/remote. SW (C) & HW (RPi Pico)
Adaptive traffic-light FSM on the Arduino UNO R3 โ pedestrian preemption, LDR-gated night mode with HC-SR04 vehicle detection, and a multiplexed 7-segment countdown. Fully non-blocking.
A handheld games console, based on the Raspberry Pi Pico.
Raspberry Pi control HAT dedicated to the quadruped robot Chromapi.
A lightning detector that runs on a battery and fits in your pocket. It records the distance, energy and current time of a lightning strike, and you can then view this data via Bluetooth in mobile app. The time is synchronized via Bluetooth.
The circuitboard and schematics for the Slab Keyboard system.
HAMKey-layout
All in one computer with RP2040 with 4 USB host HDMI display
iCE40HX4 in QFP144 expandable development board
A HUB75 display controller base board using a Pi Pico W and an iCE40UP5K
PCB design for implementing In-Circuit Testing of other PCBs via an USB-enabled host
Embedded flight controller for the 2026 NURA competition.
A Shot Timer for tracking shot times, splits and more.
canbus-connected marine autopilot
300W PCB Reflow Plate with USB-C PD Support
A 4 inch and electric guitar amplifier using the LM386n-4 and J201 JFETs
A USB-C serial-to-USB breakout board for the ID-Innovations Tiny RFID modules.
Offline flood and typhoon preparedness controller for Arduino Mega 2560 Pro: ultrasonic water level, BME280 pressure trend, TRI scoring, staged alerts, low-voltage relay cutoff.
STM32-based alarm clock and RGB lamp: custom alarms wake you with light and your own songs, configured over USB from the browser or a Python tool
An open-source ESP32-S3-based smartwatch with RTC, I2C display, buzzer, LEDs, and battery monitoring. Designed using KiCad, it features a compact PCB layout, Li-Po battery support, and USB charging
JAMMANATOR the Raspberry Pi jamma board
HC91 40 Keys Cherry MX Keyboard project using KiCad 6
An open source hardware alarm clock that can't be snoozed or turned off.
Open-source USB-C precize motorized telescope focuser with PC and manual control support.
An ESP32 based smart watch (WIP)
RaspberryPi Zero 2 W addon serving as a handheld photo camera setup
Beeping Blinking Badge Buddy
Documentation et code source de FabRice, le robot Autonome.
A KiCad PCB for an obstacle avoiding robot.
Luxigrid is a WiFi-enabled LED matrix for your desk, compatible with an ecosystem of 25+ apps.
Mastodonte experimental rocket avionic (On-board electronics) created by Paul Miailhe, Version 2025
SDR receiver for Digi modes
Badge Electronico para BugCON 2022 CDMX
Replacement PCB for Cherry G80 11800/Compaq MX 11800 keyboard using QMK firmware and VIA
ESPHome compatible mod board for the Ikea Vindriktning
nack keyboard
Edgeberry Base Board for Raspberry Pi model B