Light operated switch
Light operated switch works with NE555 timer and light dependent resistor. It uses relay and toggle switch idea for operation.
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Assembly Tutorial- 3 Digits – Digital object counter DIY kit
We are now selling CD4026 and CD4029 up and down counter modules. This page shows you how to assemble three digit digital object counter. If you are looking for 2 digit digital object counter please see this page. If you are interested in knowing about this 3 digit counter, please check this page. The counter...
Read More How to change baud rate of Bluetooth Modem – BlueSMiRF Gold/Silver using arduino terminal
This tutorial gives extremely simple easy for changing the baud rate of your BlueSMiRF Gold/silver bluetooth module. In this article, I have presented the baud rate changing steps done on Windows 7.
5.5W – 2 CHANNEL AUDIO AMPLIFIER
This project is a 5.5W – 2 Channel Audio Amplifier based on LA4445 IC. DESCRIPTION The small 2 Channel amplifier constructed around SanyoÂ’s LA4445 IC delivers 5.5Watts +5.5 Watts at 4 ohm load, supply in 12V DC 2Amp, Input impedance 30K. SPECIFICATIONS Dual Channels output : 5.5W Minimum External Parts Very small pop noise at the time…
DIY KIT 40 – TDA2822M Audio Amplifier DIY Kit
AMP-1 amplifier uses TDA2822MÂ as an amplifier chip. This chip is STMicroelectronics (ST) developed dual-channel monolithic power amplifier IC, usually used in the pocket cassette player (WALKMAN), tape recorders and multimedia speaker for the audio amplifier. It has a simple circuit, produces good sound quality, it has a wide voltage range and other characteristics that…
DC OUTPUT SOLID STATE RELAY
DC Output Solid State Relay 10Amps 60V DC (Optically Isolated Input) This project has been designed around TLP250/352 which is Opto-Coupler IGBT/MOSFET Gate Driver from Toshiba and Mosfet IRFP260 from IR, This relay consists of optically isolated gate driver and low impedance Mosfet. The combination of low resistance and high load current handling capabilities make this Relay suitable for…
DIY KIT 30- Digital Clock Kit with 16×2 LCD
This is a basic electronic clock built with  STC15w408AS, clock chip DS1302, and 16×2 LCD. The best thing about this kit is its enclosure. With all the features of a commercial clock, the kit gives a professional look after assembly. The article shows you all the steps to build the electronic part of the kit…
Audio amplifier using LM386
Description: The LM386 is an audio amplifier designed for use in low voltage consumer applications. The gain is internally set to 20 to keep external part count low, but the addition of an external resistor and capacitor between pins 1 and 8 will increase the gain to any value from 20 to 200.
USBASP FIRMWARE UPDATE GUIDE
The USBASP programmer is an important tool/accessory for embedded systems engineers/ firmware developers. It is a USB ICSP (In-Circuit Serial Programmer) that allows developers to easily upload firmware/bootloaders on AVR microcontrollers. Unlike what you find to serial programmers like the USB-TTL converters, it does not use a dedicated chip as it runs on an atmega88 (or atmega8), and uses…
Cosmarino- A DIY kit for Android-Arduino communication
“Cosmarino is a kit for experimenting Android-Arduino communication via Bluetooth.” Features:Â Control RGB LED with Android phone Display photoresistor sensor data on a graph on Android phone Transmit LM35DZ temperature sensor data on Android phone Control 5V relay with Android phone Control 5V relay and LED with any infrared remote control This is Cosmarino- A…
Arduino Project 3- Arduino Potentiometer and LED
In this tutorial, we will learn to use a potentiometer with Arduino. It allows us to change its value by turning a small knob, the analog value read by Arduino will enable us to do our flashing of the LED depending on the value read. Steps: -Connect the LED as shown on the image. -Connect…
Amarino LED Lamp
Recommended app All the images on Flickr. Amarino Lamp is a versatile programmable LED lamp based on Arduino. The lamp has an inbuilt Arduino as its controller. PWM signals from Arduino are fed into UNL2003A and this chip controls the LED lamp. You can also simultaneously control the lamp with an infrared remote control. It has...
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DIY KIT 10- Jaycar’s Sound Level Meter Kit project
This is a sound level meter project from Jaycar. It is based on LM3915 chip. The kit displays the volume intensity via LEDs. It is a visual representation of the audio level. For the maximum volume of an audio source, the yellow and red LEDs light up. For medium sound level, only GREEN LEDs light…
MP3 mode circuit with Audio Amplifier-WTV020SD-16P tutorial
This tutorial shows you how to use an LM386 based audio amplifier with WTV020SD-16P module. The WTV020SD-16P music module has been configured in mp3 mode.
ISOLATED HIGH POWER DC SOLID-STATE RELAY SHIELD FOR ARDUINO
Isolated high power Mosfet DC solid state relay shield allows you to control high current DC load in switching or PWM control mode. The project can be used in wide verity of applications like DC DC Converters, inverters, DC motor control, solenoid, LED Dimmer, battery chargers and it can control inductive and resistive loads. On board high…
Assembly Tutorial of Amarino Nano 1.0
Please visit this page first to know about Amarino Nano. Assembly process of this kit is very easy. If you have basic soldering knowledge, you can assemble the board within half an hour. You can directly visit BuildCircuit’s Flickr page and see all the assembly steps. If you look at the PCB, you will see that…
Factors affecting Bluetooth transmission range
Bluetooth technology has become an integral part of our wireless communication landscape, enabling a wide range of devices to connect and exchange data. However, the transmission range of Bluetooth connections can vary based on several factors. Here are some key factors that affect Bluetooth transmission range: Bluetooth Version: Different Bluetooth versions offer varying ranges. The…
DIY KIT 13- Jaycar’s Skeet Shooting Game DIY Kit
This is the “Skeet” Shooting Game Project from Jaycar. The kit checks your hand and eye coordination. There are 9 green and 1 red LED. There are two switches: one is reset switch and the other is FIRE switch.