Content for Buzzer

Key Finder with the Xiao NRF52840 Module

“Losing keys can be a frustrating experience that disrupts our daily routines. It’s over! Introduction: Wave goodbye to the eternal struggle of lost keys, for technology and innovation have united to provide a solution. Thanks to the collaborative efforts …

DIY Simple Arduino EMF (electromagnetic field) Detector

“The emf detector described in this video has a minimal number of components, it is simple to make, and does not require any tuning An EMF (electromagnetic field) meter is a device used to measure electromagnetic radiation in a given …

COBRA: Reflex Coach

“Unleash your reflex potential with Cobra, the ultimate coach for lightning-fast responses and unmatched agility. Strike first, conquer all. Advantages of Training Reflexes Training reflexes offers a series of advantages and benefits in both daily life and various sports fields …

RHT Device - Relative Humidity and Temperature Sensor

“RHT Device is a very simple relative humidity and temperature sensor that shows the data in the screen. The project was chosen to test the I2C communication of the PIC18F14k50. Supplies: You will need the following components (For V1 revision …

Simple Sensitive 3 Transistors BFO Metal Detector

“If properly adjusted according to the instructions, it is able to detect a small coin at a distance of 15 cm In this project I will present you a Very Simple “Beat Frequency Oscillator” type of Metal Detector. BFO metal …

How to Display and Set Numbers With 7 Segment Display and Joystick

“This project uses a 4-digit seven segment to display numbers, a joystick to change/set the numbers and a buzzer to alert the user. Many measuring devices, such as kitchen scale, voltmeter, clock, thermometer and speedometer, require numerical displays. For …

Simple Arduino Hulda Clark ZAPPER with Timer function

“The device presented in this video generates a signal identical to that of the original Zapper, but is made using a microcontroller Hulda Clark was a controversial alternative health practitioner who claimed that the use of a device called the …

Gesture Based Home Automation using Bolt IoT

“Gesture-Based Home Automation using Bolt IoT brings convenience and interactivity to home automation. The inception of this project began with a moment of inspiration while observing advancements in smart home technology. Witnessing the seamless integration of automation and human interaction …

Water Leakage Detection System

“How to use an Esp32 to detect water leakages, building a prototype, simulating the code on Iot-Lab and interacting with AWS Introduction Today irrigation does often not keep into account possible water leaks from watering pipes. This superficial management is …

Arduino Connect4 Game- Human vs Microcontroller

“Connect4 game on an 8 x 8 pixel matrix with 5050 type LEDs with a built-in WS2812B chip. Connect Four is a two-player strategy game in which the players take turns dropping colored discs into a vertical grid. The objective …