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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RGB LED DISCO LIGHTS

This project is a microcontroller based RGB LED lights effects. DESCRIPTION RGB LED disco light is a simple project designed around PIC16F72 microcontroller. This firmware is a RGB driver, as name suggests it is used to derive or light red, green and blue LEDs in particular fashion. Its main feature is the pattern shown on LEDs. It…

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LED VU METER WITH LM3916

This project is a LED VU meter based on LM3916. DESCRIPTION LM3916 is a dedicated IC for VU LED meter. Unlike LM3915 which have 3dB step between voltage levels, the LM3916 have nonlinear steps: -20, -10, -7, -5, -3, -1, 0, +1, +2, +3db, just like old school analog VU meters. I saw in YouTube an interesting…

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2 CHANNEL RELAY BOARD

This project is a 2 Channel Relay Board. DESCRIPTION 2 channel Relay driver project can be controlled by feeding 2-12V trigger voltage, Very useful project for application like Micro-Controller based projects, Remote controller, Lamp on Off, and any circuits which required isolated high current and high voltage switching by applying any TTL or CMOS level…

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USB SINGLE CELL LIPOLY CHARGER

Lithium Polymer Batteries are a very common source of power today. Many electronics gadgets have one inside, and they have some reasonable features. I’ve bought great batteries, with different sizes and capacities for my electronics projects. So long I’m using this batteries, coming the problem: charge them. CHARGER VERSION 1 So, we start to find…

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LASER DIODE DRIVER

Laser Diode Driver project will help you safely drive (constant current) a 3 mW visible Laser Diode for your application. Input supply – 2.5 to 6 VDC Onboard preset to adjust the current flow to the Laser Diode Power-On LED indicator Header connector for easy input supply and LASER DIODE module connection Laser diode is…

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WARNING LED FLASH LIGHT

LED Flasher is a simple project producing a flashing effect of six LED’s.  This project can be used in all areas where you want to draw attention.  Hi-glow LED’s providing enough flashing light to attract your attention. Can be used as warning light. SPECIFICATIONS Supply input 12 V @ 35 mA (6 to 15V Dc…

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