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items:
$7.82

 

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  Shipping
  1. Your Item(s) will be shipped within 5-15 business days once payment received.
  2. Standard shipping to US/UK,you may can get it in 10-20 Business days.
    Standard Shipping for Airmail via Post Office 11-30 business Days Come(approximately within 30 days) ship to other country.
  3.if you want faster shipping (Express,DHL or EMS),Please contact us.Contact UsWe are doing business in an HONEST manner.
  No cheating,only fair trading.Trust us ! and you will get more.About us1. 30 days return ! Buy with confidence
  2. If you find the item has quality problem after receiving the item, please contact us .We will refund YOUR FULL WINNING offer AMOUNT or item exchange.it's up to you.
  3. If the item is lost in transit. Or damaged. Bear all the losses by the seller.We 100% guaranteed quality.
  
  If you have any questions, please feel free to contact us. We will do our best for you!
  
  Thank you for looking and enjoy your shopping!response1. We strive to maintain the highest standards of excellence for shopping experience and 100% customer satisfaction! Positive response is very important to us.
  We sincerely request that you contact us immediately BEFORE you give us neutral or negative response, so that we can satisfactorily solve your concerns.
  2. Please buy only if you agree with the above terms. 

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  2" T-5300NL Pak X Pack Curb Stop Brass

  $199.00

  
  

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  XtremepowerUS 2800W Electric Demolition Jack Hammer w/Point Chisel Bits & Case

  $185.95

  
  

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  Stark USA 52cc Demolition Jack Hammer Gas Concrete Breaker Drill w/ 2-Chisel Bit

  $259.95

  
  

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Popular Tutorials

Alarms and Indicator Circuit diagrams

• Power supply failure alarm
• Theft preventer alarm
• Rain Alarm
• A simple electronic buzzer
• Water Level Indicator with alarm

Audio electronic circuits list

• Stereo Channel Selector
• Low cost intercom using transistors
• Infrared Head Phones
• Use the CD-ROM drive as a audio CD player without the computer
• Audio Visual Indicator for Telephones
• Ultrasonic pest repellent

Circuits for Cars/Motorcycles

• Charge Monitor for 12V lead acid battery.
• Wiper Speed Control
• Dome Light Dimmer for Cars
• Car anti theft wireless alarm.

Computer/PC Hardware Circuits :

• Control electrical appliances using PC
• Simple Analog to Digital Converter
• PC based Frequency Meter
• 7 segment rolling display using PC

Design Ideas :

• Soft ON/OFF switch

Fun/Games Circuits :

• Electronic Scoring Game
• JAM(Just A Minute) Circuit
• Flashy Christmas Lights
• TV remote control blocker

Signal/Sequence/Misc. Generators :

• Simple IF Signal Generator

Home/Garden related Circuits :

• Ultrasonic Pest Repeller
• Programmable Digital Code Lock
• Pot plant water tester

Lights & LED Circuits :

• Light Flasher (blinking lights)
• Automatic Dual output Display
• Emergency Light
• Automatic Room Lights
• Running Message Display

Motor Circuits :

• Automatic Speed Controller for fans & Coolers
• Soft Button type Motor Direction Controller
• Super simple stepper motor controller
• Discrete component motor direction controller

Music related Circuits :

• Digital Volume Control
• 5 band graphic equalizer

< Oscillator Circuits :

• Simple variable frequency oscillator
• Sawtooth wave generator

Power Supply (PS) Circuit diagrams :

• Negative supply from single positive supply
• Self switching Power Supply
• Ultra low drop linear voltage regulator

Radio,transmitter,receiver circuits :

• Car anti theft wireless alarm.
• Long range FM transmitter
• Remote control using VHF modules
• 40 meter Direct Conversion Receiver

Remote Control Circuit diagrams :

• Remote control using VHF modules
• Remote control using telephone
• A simple Remote control Tester
• Clap Activated Remote
• Radio Remote Control using DTMF
• Ultrasonic switch

Robotics related Circuits :

• Magnetic proximity sensors
• Color Sensor
• Super simple stepper motor controller

Sensors :

• Magnetic proximity sensors
• Dew sensor
• Color Sensor
• Metal Detector
• Optical toggle switch using a single Chip

Telephone Circuit diagrams :

• Telephone Ringer using 556 dual timers
• Two line intercom plus a telephone changeover switch
• Telephone line based audio muting and light on circuit
• Having secrecy in parallel telephones
• Telephone call meter using calculator & COB

Test & Measurement Circuits :

• High Resistance Voltmeter
• A simple Remote control Tester
• Contactless Mains Voltage Indicator
• Zener Diode Tester