It is easy project but difference with other projects is several - after pushing the push button the sound automatically stops after a time (which happens with normal door bells), three LEDs used for rhythmic lighting with the music and very less number of components used. Only limitations are sound will not be very loud with buzzer and it is slightly difficult for the beginners to change the … [Read more...]
Arduino Sound Sensor Module Buying Guide
Made in China things are cheap but there are clones of Made in China things too. The situation become worser if the name of the components used is not known. There are different type of Arduino sound sensor modules available in the market with variable price and look. Here is a brief Arduino Sound Sensor Module buying guide. We do have guides with Arduino and microphone like Arduino clap switch or … [Read more...]
Clap Switch Using Arduino Uno And Microphone
Clap switch is popular since our childhood in the days of '90s when basic electronic components were not so easily available and cost was not really towards cheap. Here is how to develop clap switch using Arduino Uno and microphone with circuit diagram, list of components and code. It is a basic project and also our second project with microphone. The previous project with microphone was a sound … [Read more...]
Arduino Sound Meter With LED : Easy But Better
Some wrongly refer these as VU meters. VU Meter is too much but these are entertaining. Volume Unit meter (VU meter) device display representation of the signal level in audio equipment, which has some of standards. We are just building a "sound meter". You need some LEDs, couple of resistors, ceramic capacitor to build this Arduino Sound Meter. Frankly there are more easy guides with almost … [Read more...]
Arduino Wireless Electricity Transmission Project
Definitely you heard or saw or using some from of wireless electricity transmission. We have a basic technical article on wireless charging. This guide, Arduino wireless electricity transmission is a complete DIY, easy project with basic electronic components with circuit diagram and code. We talked about different types of copper wire, the needed wire is called winding wire. We will create need … [Read more...]
ATtiny Arduino Boards For Cost Saving Projects
It is probably normal or expected that many of the Arduino users will know very less about the microcontrollers. Genuine Arduino boards are for development purpose, but one need to search for low cost for really creating a project which will be used. The methods of cost reduction varies and depends on the skill of the readers. Ready to use cheap ATtiny Arduino boards available which can be used by … [Read more...]
DC Motor Speed Controller (PWM) Buying Guide
These days cheap China PCB circuits with knobs are sold as LED Dimmer, Voltage Regulator, Motor Speed Controller. Here is DC Motor Speed Controller (PWM) buying guide for understanding. If you do not understand what is PWM - that is Pulse-width Modulation, you need to watch our Arduino guide for DC motor control which has a video. In that video, we had way to input 0 to 255 values to control the … [Read more...]
What is Negative DC Voltage, Like -5 Volt?
Few weeks ago, we were discussing about building ATX DIY bench power supply - in that way, we can use or convert Computer Power Supply to breadboard power supply with stable, regulated voltage. Before explanation, for that DIY work - as computer's power supply is a ready to use solution for computer board, that negative DC Voltage, like -5 Volt are present. You will use only the positive DC … [Read more...]
Arduino DC Motor Control With Speed On TM1637 LED Display
This is kind of under development project. It only demonstrates that we can echo the serial input to display device. Here is Arduino DC Motor Control with speed on TM1637 LED display with basic easy circuit. Basically if we run TM1637 LED Display, Arduino and DC Motor simultaneously drawing power from computer's USB, performance becomes unreliable! More funnily, the basic circuit is of our Arduino … [Read more...]
Arduino Hidden Voltmeter & Thermometer
It is fun to know that Arduino boards has voltmeter & thermometer but that knowledge has not much use. Arduino hidden voltmeter & thermometer are features of AVR chips for the chips themselves. Not all Arduino AVR chips will have the thermometer. With hardware and software updates, old codes to demonstrate may not work at all. The thermometer has entry on official Arduino website with list … [Read more...]
Nokia 5110 Arduino Snake Game
Previously, we talked about Nokia 5110 wiring details. Here is circuit diagram and code to play Nokia 5110 Arduino Snake Game. This Snake is like original Nokia Mobile's famous Snake II game. Nokia 5110 is a versatile LCD display and capable to perform almost everything. The basic problem is inconsistent quality of these Nokia 5110 LCDs - these are refurbished from 2 decade old thrown away mobile … [Read more...]