BuildCircuit

AC MOTOR SPEED CONTROLLER FOR MODERN APPLIANCES USING LS7311

The project specifically designed for motor speed control application in appliances such as blenders, etc. Tact switches provided for selecting/indicating from 1 to 10 power levels ( Speed Levels).  The project is ideal for universal and shaded-pole motor speed control for modern appliances design. Eliminates awkward mechanical switch assemblies and multi-taped motor winding. FEATURES 10…

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Popular Android Apps for 12CH Bluetooth Arduino module

Shortcut link for this article is https://www.buildcircuit.com/12ch 12 channels Bluetooth module for Arduino-Android communication is yet another kit for experimenting with Arduino and Android. This small module can be very effective for those learning and trying some apps using MIT media labs apps inventor . BTRF: BTRF is a module similar to the 12CH Bluetooth module....
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15A 100V ISOLATED HALF-BRIDGE DRIVER

15 A 100V Isolated Half bridge driver project intended to be used for DC-DC converters, inverters, LED driver and motor driver applications. This projects is really helpful in industrial applications where noise is a concern since project provides optical isolation between microcontroller and high current output. ADuM4224 isolated precision Half-Bridge driver is the heart of the project. IRFR120 dual Mosfet is…

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200W LAMP FLASHER

200W Lamp Flasher kit is used to flash lamps, bulbs and halogen lamp to give your product that attracting look. Input supply – 6 ~ 12 VDC Output – upto 200 W lamp / bulb load Optically isolated Mains supply Onboard preset to adjust the frequency (speed) of flashing (1 Hz to 5 Hz) Power…

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555 STEPPER PULSE GENERATOR

The 555 Stepper Pulse Generator kit will help you with the pulse required to drive your favorite DC Servo Motor application.  This kit uses the famous 555 timer IC for generating the Stepping Pulse. Input – 5 – 12 VDC @ 25 mA TTL/CMOS interfaceable Jumper selectable two speed operation Onboard preset to vary the…

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10 factors that affect the transmission range of DIY FM Transmitters

BuildCircuit sells several types of FM transmitters for electronics beginners and hobbyists. Some are for short-range and some for long-range transmission. Sometimes, customers complain that they didn't get the mentioned quality or the required range of transmission. In this article, I am explaining 10 factors that affect the transmission range as well as the transmitted...
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DARK SENSITIVE SWITCH

Dark Sensitive switch project based on single BC547 transistor, Relay operates when light that falls on the LDR, goes below a set point. It’s very simple and low cost dark sensitive switch required few components. FEATURES Input : 12 VDC @ 55 mA  Relay output : NC – C – NO  Onboard preset to set…

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TRIAC BASED LAMP DIMMER

Triac based Indecent lamp dimmer is a simple circuit and it doesn’’t requires additional power supply, works directly with 110V AC or 230V AC. DESCRIPTION It is a low cost dimmer circuit for adjusting the light brightness of incandescent, Halogen Lamp, Light Bulb load up to 250 W. FEATURES: – Input supply: 230 VAC or…

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