Microcontroller based running light controller
https://www.electronics-lab.com/project/microcontroller-based-running-light-controller/
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 […]
Triac based lamp dimmer
https://www.electronics-lab.com/project/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 […]
Temperature Controlled PC FAN
https://www.electronics-lab.com/project/temperature-controlled-pc-fan/
This project is a temperature controller for a PC FAN. It regulates the speed of the FAN attached to it according to the measured temperature. Temperature is sensed using a simple NTC thermistor. Description In most PCs, the fan runs constantly, which may not be necessary. A simple circuit can regulate the fan speed according […]
Valentine LED Chaser
https://www.electronics-lab.com/project/valentine-led-chaser/
Every year at 14 February we celebrate the Valtentine’s day with our loved person. Usually we make a gift to each other to show our love to her/him. This can be a flower, chocolate or other stuff. Here we propose a different kind of gift to give her. That is a hand crafted LED chaser […]
PicoBuck – RGB LED Driver
https://www.electronics-lab.com/project/picobuck-rgb-led-driver/
The PicoBuck is a small and inexpensive 3-channel LED driver. It employs constant-current buck driving which approaches an efficiency of 95% (theoretical). It’s based on AL8805 LED Lighting Buck Driver from Diodes Inc. Description The PicoBuck supports a wide range of input voltages (6v to 20v) which may be connected to the VIN header. It […]
DC Motor Driver using L293D
https://www.electronics-lab.com/project/dc-motor-driver-using-l293d/
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 […]
Super Flux RGB LED Controller
https://www.electronics-lab.com/project/super-flux-rgb-led-controller/
Introduction In this project it was used the Piranha Super-flux RGB Led of common anode, and the PIC18F25K20, in order to generate combinations of colors. It has two function modes, automatic that generate the color sequence that is stored in the μC memory, and the manual mode in which you can select one of the […]
A Very Simple Power Failure Light
https://www.electronics-lab.com/project/a-very-simple-power-failure-light/
Introduction This is a very basic power failure lighting circuit based around a relay. This simple circuit has many uses, from lighting up rooms and walkways in the case of a power failure, to monitoring and security uses. There are many different power failure circuits out there based on 555 timers or transistors but they […]
Motorized Curtain with Remote control
https://www.electronics-lab.com/project/motorized-curtain-with-remote-control/
Introduction The project is “Motorized Curtain” with Remote control. It is made up of MCU ATMEGA328 with Arduino BootLoader, motor driver L293D ( i used L293B with external diodes, because i couldn’t find L293D ), IR Receiver TSOP 1738, DC Motor from an old printer and other small parts. To control it, i use […]
Digital Impulse Relay
https://www.electronics-lab.com/project/digital-impulse-relay/
Introduction In the first place, a relay is like a switch to a coil assembly. This switch is activated when electricity is applied to the coil. With a common relay, the electricity must be continuously applied to the coil to maintain the contacts, but the impulse relay “remembers” and only requires a momentary application of […]