Category: PCB GERBERS

Contact-less controlled automatic wardrobe light turns on the LED when you open the wardrobe door. Τhe project is based on Hall effect IC including LED driver and tiny magnet. Board doesn’t require any mechanical switch. When magnet is close to the board, LED is off, when you open the wardrobe door magnet goes far from…

LUX Meter project has been design to measure the illumination.  Illumination is luminous flux falling on surface area of photo diode.  This illumination converted to corresponding voltage using Op-Amp circuit. SPECIFICATIONS Supply 9 VDC PP3 Battery @ 20 mA  Onboard Photo Diode  Onboard preset for calibration  Range selection via jumper 10mV/LUX, 1mV/LUX, 0.1mV/LUX  Interfacing is…

This project is a sound-activated switch. DESCRIPTION Clap switch/Sound-activated switch designed around op-amp, flip-flop, and popular 555 IC. Switch avoids false triggering by using a 2-clap sound. Clapping sound is received by a microphone, the microphone changes the sound wave to an electrical wave which is further amplified by the op-amp. 555 timer IC acts…

This project is an automatic PIR sensor. DESCRIPTION Project is based on Holtek’s IC HT7610A, which is a CMOS LSI chip designed for use in automatic PIR lamp, flash or buzzer control. It can operate in 3-wire configuration for relay applications.  In our project we have used relay instead of Traic to connect any kind…

5 LED VU Meter kit is based on LB1409 IC from SANYO, which will indicates the volume level of the audio signal it senses SUPPLY 12V DC @ 50mA PR1 REF SET PR2 AUDIO LEVEL SET SCHEMATIC PARTS   PCB DOWNLOADS Audio_VU_Meter.pdf

SCHEMATIC PARTS LIST PCB DOWNLOADS IR_remote_volume_controller.pdf

4 Channel Infrared (IR) Remote controller is using  HT12A and HT12D encoder/decoder chips from Holtek. FEATURES Supply – Transmitter : 3 to 5 VDC, 5 V @ 20 mA & Receiver : 5 VDC @ 200 mA Output: 4 channel Latch or Momentary onboard Jumper for selection Crystal based oscillator for the reliability of operation…

This project describes how to build a “soft touch” switch. By “soft touch” we mean that you have to push once to set device ON and push again to set device OFF. This kind of switch works by latching a relay to ON state with push of a button and with another push latch is…

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…

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…

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…

DC Motor Direction Control project offers direction control using digital logic gates and a DPDT relay. FEATURES Supply input 12 VDC @ 75 mA Power LED DC Motor Direction LED Yellow/Green Relay Output: up to 7 A Onboard tactile switch for direction control Relay based drive design with diode protection LED indicator for direction indication…

DC Servo Motor Driver kit, designed using MC33030 IC, is the fastest and low cost way of getting your DC Servo Motor up and running. Input – 12 VDC Output – can drive upto 1 A Load Overcurrent shutdown, overvoltage shutdown Programmable reference input Power-On LED indicator Relimate connector for interfacing the kit Four mounting…

This project is a 4-phase unipolar stepper motor controller. DESCRIPTION Unipolar 4-Phase Stepper Motor Controller Board will help you control a Stepper Motor or 4 individual Solenoids. This circuit consisting of transistors that serve as current amplifier and also diode to prevent damaging back EMF, circuit uses Darlington transistors to provide high current capacity to…

0 – 5V Servo Controller project will control a hobby type servo motor connected to it via a preset or external DC source.  This kit will be ideal add on in animatronics and motion control application. SPECIFICATIONS Microcontroller based design for greater flexibility and ease of control Single Servo control via clearly marked berg connector…

The project designed around L293D IC. The L293D device is quadruple high-current half-H driver. The 293D is designed to provide bidirectional drive current up to 600mA a voltage from 5V to 36V. L293D Adapter Board can be used as dual DC motor driver or bipolar stepper motor driver.  Useful in robotics application, bidirectional DC motor…

DC Motor Speed and direction controller project based on L293D H-Bridge and 555 Timer IC. 555 Generate PWM and L293D works as output driver. The 293D provides bidirectional drive current up to 600mA a voltage from 5V to 12V. L293D includes the output clamping diodes for protections. SPECIFICATIONS  Supply 5 to 12 V Inhibit facility/enable…

This Half-bridge driver based on IR2104 gate driver IC and N channel Dpak  MOSFET  , The IR2104 is a  high voltage, high speed power MOSFET driver with independent high and low side referenced output channels. HVIC and latch immune CMOS technologies enable ruggedized monolithic construction. The logic input is compatible with standard COMOS or LSTTL…

This is a low cost, current feedback phase control AC motor driver based on U2008 IC. The U2008B is designed as a phase control circuit in bipolar technology. It enables load-current detection as well as mains-compensated phase control. Motor control with load-current feedback and overload protection are preferred applications. SPECIFICATIONS Supply Input:  230V AC Load:…

This stepper pulse generator project is an easy solution for stepper controller drive. It’s a very important tool and can be used to drive stepper in standalone mode.  It generates square wave pulses in frequency range 0-50Khz. This project has multiple features which are a must for stepper controller. It has on board frequency generator…