Stars in the shape of hard work to prepare printed circuit board design for SMD LEDs to be mounted like a great deal of attention and effort, but finally emerged quite nice circuit noncontiguous clusters of LEDs flashing creates a beautiful image. 114 pcs SMD LED effects used in the circuit.
ATTINY13 eagle printed circuit control board regulations drawn with different shapes can be achieved by making the source code files have bascom.
LEDs ATTINY13 image effects work;
Source paja-trb.unas.cz Alternative link:
FILE DOWNLOAD LINK LIST (in TXT format): LINKS-13815.zip
Published: 2011/01/28 Tags: avr project, led projects, microcontroller projects
3.3V DC to DC Converter Circuit LM2575 Power Supply
Switched dc 3.3v switched 12 volt dc voltage converter circuit allows reducing the 3.3 volt output. LM2575 operating frequency of 52 kHz to 1 amp of 80% power efficiency.
LM2575 step-down (buck) switching regulator
LM2575 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving a 1A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3V, 5V, 12V, 15V, and an adjustable output version.