This module is a non-isolated 7A DC-DC converter. The module can convert any DC voltage between 7V to 50V to a 5V DC with load current up to 7A. The project has been designed around LM5116 Wide Range Synchronous Buck Controller IC. The design includes 6uH toroid inductor and two N channel MOSFETS. The operating frequency is 250 KHz. The LM5116 is…
This small board is based on the CS5171 boost converter from ON Semiconductor. The board is configured to be used with a single 18650 LiPo battery. The circuit converts single-cell 3.7V LiPo battery voltage to 5V with a load current up to 400mA. Board has been designed to fit on the backside of a single-cell battery holder…
This USB to dual output step-up DC-DC converter has been designed to be used in industrial automation control equipment, sensors, isolated operational amplifiers and test & measurement equipment that require bipolar supply voltages. The module provides +/-15V or +/-12V DC load current up-to +/-100mA. An onboard PCB solder jumper is provided to set the output…
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…
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…
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…
This project is a DC motor driver, suitable for motors of low or medium power. Allows controlling up to 6 motors or 3 motors if you want to control the rotation of the motors. DESCRIPTION The controller is build around the IC L293D that can provide 600mA per channel, and a H-Bridge designed with transistors NPN…
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…
This project is a lights effects board using common bulbs. DESCRIPTION This project provides some lighting effect by the blinking pattern of the bulbs connected at its output. Up to 8 Bulbs can be connected in between connector CN2 to CN9 and AC power to control them should be connected at Connector CN10. DC Power…
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…
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…
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…
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…
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…
Single Channel Relay Board is a simple and convenient way to interface a relay for switching application in your project. SPECIFICATIONS    Input supply 12VDC @ 42 mA    On Board 5V Regulator provides 5V output    Output SPDT Relay    Relay specification 5 A @ 230 VAC    Trigger level 2 ~ 9 VDC…
4 Channel Infrared (IR) Remote is a simple project using the popular HT12A and HT12D encoder / decoder chips from Holtek. SPECIFICATIONS Supply – Transmitter: 2.4 ~ 5 VDC, 5 V @ 20 mA & Receiver: 5 ~ 6 VDC, 5 V @ 50 mA  Output – 4 Latched/Momentary TTL compatible outputs  Crystal based oscillator…
This tiny module has been designed to be used in Robotics, Power tools, automotive applications etc. The module is based on MC33886 from NXP. The MC33886 is a monolithic power IC comprising control logic, charge pump, gate drive, and low RDS(ON)MOSFET, H-Bridge output circuitry in a small surface-mount package. MC33886 is a monolithic H-Bridge ideal for fractional…
RF Based DC Motor Direction Controller project provides an easy way to control the direction of your DC Motor connected to the receiver. This project has been design around HT12E and HT12D encoder / decoder chips from Holtek. With jumper selectable address on the receiver and transmitter we can control multiple  motors in one area…
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…
