Tag: Led
3 Digit Common Cathode 0.5″ – 7 Segment Display Module (Multiplexed)
This is a 3 Digit 7-segment display project that contains 3 x Common Cathode displays, current limiting resistors or each LED segment, 3 x PNP Transistor on each common cathode for multiplexing etc. The project works with 5V TTL signals but can be optimized for 3.3V operations by...
Continue ReadingArduino 4-Digit 0.5″ Common Cathode 7 Segment Display Module
This project will help you to easily develop an Arduino compatible project that requires 4 x -7Segment 0.5″ displays. The project consists of an Atmega328 microcontroller, 4 x BC847 NPN transistors to drive the common cathode displays. All displays are used in multiplexing...
Continue ReadingArduino 3-Digit 0.5″ Common Cathode 7 Segment Display Module
This project will help you to easily develop an Arduino compatible project that requires 3 x 7-Segment 0.5″ displays. These are common cathode displays that use multiplexed configuration, BC847 transistor drives 3 x common cathodes, all display segments are connected to the...
Continue ReadingArduino 2-Digit 0.5″ Common Cathode 7 Segment Display Module
This is an Arduino compatible board for creating 2 Digit Display projects. The circuit operates with 5V DC, Connector CN1 is provided for bootloader programming and Arduino firmware upload. A new Atmega328 chip requires a bootloader and Arduino firmware programming, Connector CN1 helps...
Continue ReadingOSRAM Opto Semiconductors OSLON Square GH CSBRM4.24 Hyper Red LEDs
OSRAM Opto Semiconductors OSLON® Square GH CSBRM4.24 Hyper Red LEDs are optimized for horticulture. These LEDs feature a unique and innovative radiation pattern designed to illuminate plants evenly for uniform growth while reducing the number of luminaires required. The high-power GH...
Continue ReadingDisinfecting with ultraviolet light
Würth Elektronik offers UV LEDs with emission wavelength of 275nm. This wavelength kills germs, by destroying the RNA structure of Viruses and Bacteria. Therefore, those type of LEDs are suitable for disinfection in areas where chemical components are not suitable to use. This can be...
Continue ReadingTaiwan Semiconductor’s LED driver with 4.5 V to 75 V input @ 2A
Taiwan Semiconductor's TS19503 is a single-channel continuous-conduction, hysteretic mode converter LED driver IC. Featuring best-in-class 4.5 V to 75 V input and 2 A output, the TS19503 offers up to 97% efficiency and 2% accuracy over a wide range of external conditions. AEC-Q100...
Continue ReadingPOV (Persistence of Vision) – Open-Source Arduino Nano Hardware
This is an easy and simple hardware to create a POV display. The hardware consists of a Hall sensor, Arduino Nano, 17 x 5mm LEDS of various colors, etc. The Hall Sensor is connected to analog pin A5 with a pull-up resistor. The circuit works with 3.7V to 5V DC and a 3.7V battery is...
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