KiCad and hardware projects using buzzer
Open buzzer hardware projects on BoardRepo, the GitHub for hardware. View the schematic, PCB, and BOM in your browser and download the KiCad sources, BOM, and Gerbers.
Projects
Karabas-Go PCB
Project Caribou documentation, designs, and project artifacts.
MUUU!: Livestock Smart Collar 🐮
PART (Purdue Aerial Robotics Team) PDU (power distribution unit) and Pixhawk Carrier KiCad projects and accompanying embedded code
using ESP32C3 chip to collect and analyze air quality data
Olin's National Eclipse Ballooning Project team repository
KiCAD Files for all WINTER (Wireless Inertial iNformation and Telemetry for Energetics Regulation) flight computer
A retrofit board with an esp32 for a gameboy color case
Documentation and source files for my functional PCB business card
An open source hardware device that has cellular, wifi, bluetooth, GPS, and more!
Yarrboard load controller board with current sense, volt sense, fuses, and sender support.
16x16x16 PL9823 Cube with Teensy 4.0 and FlexIO driver
Try to build an ESP32 firmware with LVGL and ST7789 drivers inside.
Solder Reflow Plate PCB
PCSK225 Pico2 SDR Receiver
Hydro-Vinci project for cansat 2025-2026
Capacitive Keypad and RFID for OpenEVSE: Hardware
A simple PCB design that detects low battery levels using a high-voltage divider and triggers a buzzer via a 5 V DC-DC module. Includes input filtering, surge protection (TVS), and transistor-based threshold switching. KiCad project + BOM + gerbers.
Just a data acquisition system built using an ESP32 microcontroller board, using ADS1115 to acquire datas and save them on SD, plot them with Python or compute the mean on the OLED Display
Project repository for ECE411 Project
This repo contains open-source KiCad PCB designs for a DIY AM/FM radio receiver using the Sony CXA1019S IC. Perfect for electronics beginners! 🔹 Key Features: Dual-band (AM+FM) receiver schematic Optimized PCB layout for low noise Ready-to-manufacture Gerber files
No description.
kicad files
C3 (Command, Communication, and Control) our Command and Data Handling (C&DH) card.
LinHT - Linux-based, SDR handheld transceiver.
uHoubolt Radio Communication Unit (RCU) Hardware Known Issues Silkscreen Label of CAN1 and CAN2 are swapped
The ultra-low power air quality sensor pendant is designed for continuous environmental monitoring in both everyday life and industrial work environments.
Remotely-operated quadcopter hardware, firmware and software
ThermalGuard HAT is a Raspberry Pi HAT for rack and enclosure monitoring, combining dual fan control, RPM tracking, temperature and humidity sensing, local data logging, and a web dashboard for live status and history.
open source project ecg with esp32 and ad8232
open source embossed label maker
M17 modem board for 9600-baud capable radios
Open Source Watermaker Controller.
Open-hardware Meshtastic feature phone — RP2350B dual-core, SX1262 LoRa, GNSS, 36-key keyboard, 2.4″ IPS display. CERN-OHL-S-2.0.
An Open Source Oxygen Concentrator Brain Board for Oxikit with Particle or ESP32 board !
RP2040-based flight computer for rockets
ESP32 driven, WiFi-enabled dual-button doorbell with custom audio signals and real-time red/green indicators.
A soldering reflow hot plate based on STM32
Open-source air quality and environmental monitoring node with STM32H743 + ESP32-C3, LoRaWAN, RS485, USB-C, Li-ion charging, and multi-sensor support.
Klein keyboard is a 36 keys, columnar staggered, split ergo keyboard
No description.
defcon 30 30-in-One badge
A portable UV exposure controller firmware. The project uses a modular architecture with persistent settings, preset storage in Flash, battery protection logic, and an encoder-driven OLED UI.