7 Segment LED Based SPI Display using 74HC595
Single Digit Big Display module using 74HC595 IC project will display large size 7 segment single digit number. 3.5inch height, which can be visible over large distance. More digit can be connected serially to each other easily connector. This circuit is a single digit seven...
Continue Reading4Duino UCAM-II Demo
by 4D Systems @ instructables.com: The main objective of this project is to show how to interface a uCAM-II serial camera to 4Duino. uCAM-II is a highly integrated micro serial camera which could be controlled by any host that requires a video camera or a JPEG compressed still camera...
Continue ReadingOPT3002 – Light/digital IC provides optical power measurements
By Graham Prophet @ edn-europe.com: Distributor Mouser Electronics has Texas Instruments’ OPT3002 light-to-digital sensor; the device promises improved system performance over standard photodiodes and photoresistors. The fully-integrated OPT3002 delivers the functionality of an...
Continue ReadingA DIY obstacle avoiding robot using an SG90 servo and Ultrasonic Sensor
In this video educ8s.tv shows us how to build an Arduino Robot that can avoid obstacles: The robot that we are going to build today is moving around and it can detect obstacles and avoid them. It uses a supersonic distance sensor in order to measure the distance from its front side....
Continue ReadingPV cell string optimizer boosts solar panel output up to 30%
Maxim presents its Cell-String Optimizer as the first IC to perform MPPT (maximum power point tracking) at low level in a panel; it allows photovoltaic (PV) panels to harvest significantly more energy and simplifies design complexity for solar installation projects. by Graham...
Continue ReadingLTC7851 – Quad Output, Multiphase Step-Down Voltage Mode DC/DC Controller with Accurate Current Sharing
The LTC7851 is a quad output multiphase synchronous step-down DC/DC controller with accurate current sharing between phases and differential output voltage sensing. This controller works in conjunction with external power train devices such as DrMOS and power blocks as well as...
Continue ReadingHow Boost Converters (DC-DC Step-Up) Works
A look into how boost converters work in a very visual format. Try this circuit: http://goo.gl/nkHq9H How Boost Converters (DC-DC Step-Up) Works -...
Continue ReadingDriving 14-segment displays with the MAX6954
App note from Maxim on using the MAX6954 to drive 14-segment monocolor LEDs, (PDF): This article is how-to guide, intended as a quick learning aid for engineers considering using the MAX6954 to drive 14-segment monocolor LEDs. The MAX6954 is a versatile display driver, capable of...
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