Remote Operated Switch
When you press an infrared transmitter or normal TV remote control near TSOP1738 infrared sensor, the 555 timer configured in monostable mode gets triggered.
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Arduino Project 1- Blinker or Flasher using Arduino UNO
This is the most basic project for Arduino beginners. Almost everyone starts Arduino with this project. The output of this project is a blinking/flashing LED. Insert an LED on your breadboard and connect it to your Arduino using wires as shown on the image. We can also use the inbuilt LED present on the Arduino…
Mono 2.5W Class D Audio Amplifier – PAM8302 for basic projects
You can call this as an upgrade to LM386 based audio amplifier. We are also selling speakers for this module. This is a small but very powerful audio amplifier which is able to deliver 2.5 Watts into 4-8 ohm impedance speakers. It is based on Class D controller circuit that can be operated with 2.0V-5.5V DC….
NE555 and Arduino for interactive sound production
This project shows a combination of analog and digital circuits ready for interactive sound production! The project uses Arduino and NE555.
SOUND TO LIGHT EFFECT
Audio Dancing LED project is a fun filled project which generates a LED dancing sequence depending on the audio level it senses. This project is based on one of the VU Meter IC LB1403 or CA1403 SPECIFICATIONS Power supply input 6 to 9 VDC Output 5 LED’s Onboard preset to adjust audio level to the…
How to assemble Magician Chassis
Check out similar robotics chassis at Buildcircuit store Sparkfun.com has recently released a simple, easy and useful robot platform for robotics amateurs. It is called “Magician Chassis”. You can use the chassis for different kinds of robots, for example, line sensing, obstacle detecting and smart phone controlled robots. I have recently published an easy project…
Assembly- Breadboard power supply DIY kit
This is the assembly tutorial of ‘breadboard power supply DIY kit’. You can get all the details of this kit at this link. You will get the following components with the kit package. You can purchase this kit at buildcircuit.com.au. The web store is operated by BuildCircuit team. Look at the PCB below.You can see…
Sensor Alarm using thyristor- Basic electronic project
This is a simple RC circuit using thyristor. You might have done similar projects using transistors. Let me provide you some of my previous RC projects: a. Basic RC project You can make several projects with this module, for example, Remote tester, object counter, etc.
WTV020SD-16P evaluation board- DIY kit
This product is outdated. We are now selling DFplayer mini that easily plays mp3 files. It is far better than WTV020SD-16P module. BuildCircuit has previously published several articles about WTV020SD-16P, the best and the cheapest music module ever made for electronic enthusiasts. If you have never worked with wtv020sd-16p module, we recommend you to check...
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DIY KIT 45- Metal Detector Electronic Kit
This is a simple metal sensor DIY electronic kit for electronics beginners. Use 3V-5V battery and take metal to its proximity, it will activate the buzzer. The kit can detect metals up to 5cm. Kit parameters: Supply voltage: 3-5V Dimensions: 66 * 61MM Maximum detection range: 5CM The schematic of the kit is given below:You…
Android-Arduino BTCOMM do-it-yourself (DIY) Shield Versions 1.0 and 2.0
This kit has retired, but, we have upgraded it. Please CLICK HERE FOR THE UPGRADED AMARINO SHIELD. The upgraded version of Amarino is a better kit with additional features. Fully assembled kit is also available on buildcircuit.net. About “Android- Arduino Bluetooth Communication (BTCOMM) DIY Shield- Version 1.0 and 2.0” : If you are interested in controlling…
DIY KIT 11- Jaycar’s No Brainer Amplifier project
This is basically an audio amplifier with one sound channel. Build the kit and connect it to an audio source using a mono jack. You will need two kits to make it stereo amplifier. The source can be your another FM radio project, mp3 project, etc.
Amarino Shield Experiment 3- LM35 temperature sensor and LED controller
This is one of the most interesting experiments that uses Amarino shield and Amarino toolkit application. If you have never heard of Amarino toolkit and the shield, we recommend you to go the following pages: About Amarino toolkit About Amarino shield This experiment with Amarino shield is similar to our previous tutorials on Sensor Graph-…
Remote operated switch DIY kit
Description: Here’s a simple do-it-yourself (DIY) remote operated switch. You can use this simple kit to switch ON/OFF any appliances working on 220V AC. This DIY kit has been designed basically as a learning kit rather than as a household device. With this kit, you may learn about relay and infrared sensor. It can used for fun at home for switching…
2 x 100W Class D Bluetooth Audio Amplifier Board – TSA7498B (Apt-X)
This is a 2x100W audio amplifier board with a new Audio B plus Bluetooth module that supports Apt-X. It has integrated ST high-performance TDA7498 chip which supports dual channel audio amplification. Both of the channels are capable of outputting nominal power simultaneously and continuously. This board can be powered by any DC12V-39V* power supply.
SensorGraph using android, amarino and arduino
BUILDCIRCUIT.COM HAS RELEASED A DIY SHIELD FOR AMARINO, CHECK THIS OUT. This tutorial is for novices who have never made any Android application or worked with Amarino. If you have never done any experiment with Android and Arduino, start with the this experiment.
DIY KIT 56- KA2284 DIY KIT Audio Level Indicator Suite
The KA2284 is a monolithic integrated circuit designed for 5-dot LED level meter drivers with a built-in rectifying amplifier. It is suitable for AC/DC level meters such as VU meters or signal meters.
How to make a batteryless (crystal set) radio
CRYSTAL SET The simplest radio receiver, known as a Crystal Set, consists of nothing more than a coil, tuning capacitor, diode detector, and a pair of earphones. A typical circuit diagram for a Crystal Set Radio is given below where inductor or coil L1 is tuned by variable capacitor VC1 to the transmitter frequency. Diode D1 demodulates the signal, which is…
MP3 mode circuit- WTV020SD-16P Tutorial
Description: This tutorial is about mp3 mode of WTV020SD-16P module. With this simple circuit, you can play AD4 format music files. At the end of the article, you can see a video output of this simple and easy project.
DIY KIT 57- LM317 adjustable power supply with seven segment display
This is yet another post related to LM317. The LM317 device is an adjustable three-terminal positive-voltage regulator capable of supplying more than 1.5 A over an output-voltage range of 1.25 V to 37 V. It requires only two external resistors to set the output voltage. The device features a typical line regulation of 0.01% and…