BuildCircuit

8 CHANNEL RELAY BOARD

This project is a general-purpose 8 Channel Relay Board. DESCRIPTION 8 Channel Relay Board is a simple and convenient way to interface 8 relays for switching application in your project. Input voltage level support TTL as well as CMOS. Easy interface with Microcontrollers based projects and analog circuits. SPECIFICATIONS: Input supply 12 VDC @ 336…

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ELECTRONIC TOGGLE SWITCH

The Project works as electronic toggle switch. DESCRIPTION The circuit is based on CMOS CD4013 Flip Flop IC, The circuit has two stable states, ON and OFF. Once it is ON, it remains ON till you press the switch again. A short button press of a tactile switch SW1 latches the circuit ON and another toggles it…

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ONE CHANNEL RELAY DRIVER

This project is an one Channel Relay Driver suitable for a variety of projects. DESCRIPTION Single Channel Relay project  is a simple and convenient way to interface a relay for switching application in your project. SPECIFICATIONS: Input – 12 VDC @ 42 mA Output – SPDT relay Relay specification – 5 A @ 230 VAC…

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Scoreduino

Click here for all the Scoreduino related posts Click here for all the Scoreduino related products Click here for digital objects counters and common cathode displays What is Scoreduino ?Scoreduino is a combination of Arduino based controller and Android App designed to operate up/down counters and scoreboardsScoreduino is an Arduino based programmable controller/device/platform dedicated to...
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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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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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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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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…

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PWM HALOGEN LAMP DIMMER

High Current PWM Halogen Dimmer controller project is designed around SG3525 IC and High current MOSFET.  Project can handle lamp up to 5 Amps (10Amps Possible with big heat sink) and supply 12-24V DC .Ideal for Halogen Dichroic Lamp or Halogen Lamp. SPECIFICATIONS Supply input 15 to 24 VDC  Load-Lamp 12 to 24 VDC @…

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230 VAC TIMER

Classic AC 230 V Timer project can be used in all application requiring a timer of up-to 3 Minutes to operate or control any AC mains load of up-to 200 Watts.  This project is based on the Classic 555 Timer IC, triggering a TRIAC.  Input and Output is Optically Isolated. SPECIFICATIONS Supply input 12 VDC…

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