WS2812B Addressable RGB LED Interfacing with Arduino

WS2812B Addressable RGB LED interfacing with Arduino

WS2812B is the most popular addressable RGB LED. Whether used for decorations or hobby projects, they are used for their easiness, bright colors, low required voltage. Most importantly, it contains an internal integrated driver that helps to control the color and brightness of RGB LED with a programmable feature. This programmable feature makes it smart … Read more

2N5457 General Purpose N-Channel JFET

2N5457 Pinout diagram

2N5457 is a general-purpose N-channel Junction Field Effect Transistor with Drain and Source interchangeable feature. It operates in depletion-mode and requires reverse biasing to turn off. Because depletion types MOSFETs act like a normally closed switch. It has high (AC and DC) input impedance, contrary to other MOSFETs.  It is a CMOS technology device used … Read more

5V Dual Channel Relay Module Interfacing with Arduino

5V Dual Channel Relay Module interfacing with Arduino

Relays are one of the essential components in the electronics industry. A relay is an electromagnet that acts as a switch by opening or closing its contacts to controls the current. Relay modules are typically used with microcontrollers to profoundly control A.C. and D.C. devices, ranging from low voltages to high voltages. We can use … Read more

PT8211 16-Bit DAC

PT8211 DAC Pinout diagram

PT8211 is a 16-Bit dual-channel Digital to Analogue converter chip. It is typically a dual-channel DAC that is specifically intended for the applications concerned with digital audio. This DAC chip uses CMOS technology. As the name suggests, it depends on 16-bit and the inner engineering depends on the R-2R resistor ladder network. R-2R ladder is … Read more

5V Single Channel Relay Module

5V single channel relay module components

In this tutorial, we will discuss 5V single channel relay modules and their important features such as pinout, pin configuration details, features, working, interfacing with microcontrollers and applications. Relay is an electro-mechnical device which acts as a switch. DC electrical current is used to energize the relay coil which opens or closes the contact switches. … Read more

Nova PM SDS011 Dust Particle Sensor for Air Quality Measurement

SDS011 dust sensor pinout diagram

SDS011 is an air quality measurement sensor which can be used to get dust particles and smoke concentration in the air. More precisely, it can measure  particulate matter (MP) concentrations in the air.  It can detect the dust particles concentration between 0.3 to 10um. Most importantly,  Nova PM dust sensor provides an interrupt based response … Read more

GP2Y1014AU0F – Optical Dust Sensor

GP2Y1010AU0F optical dust sensor pinout diagram

GP2Y1014AU0F is an optical dust sensor that means it senses dust by using an optical sensing system such as a light source. It is used to detect dust particles in the air. Additionally, it can be used to measure air quality.  Its internal circuitry consists of a simple infrared light emitting diode and a photo … Read more

2SC828 NPN Amplifier Transistor

2SC828 pinout diagram

2SC828 is an NPN type silicon epitaxial planar transistor. It is used for switching and signal amplification in audio AF based applications. This transistor is designed for low power applications. Because peak and normal collector dc current is 100mA and 50mA respectively.  Recommended Components The following parts are used in this article, along with a … Read more

EL357 Optocoupler – Transistor Output

EL357 optocoupler pinout

In this tutorial, we will learn to use EL357 optocoupler IC Compact 4 Pin SOP IC. It is a phototransistor and LED based photocoupler which provides high voltage isolation between input and output sources. The isolation voltage can be upto 3750 volts RMS value.  Recommended Components The following parts are used in this article, along … Read more

74LS323 8-Bit Universal Shift Register IC

74LS323 shift register ic pinout diagram

74LS323 is an 8-bit universal shift-storage register having 3-state outputs with the feature of Synchronous Reset. Pin count has been minimized in it using parallel load inputs and flip flops outputs. In order to provide cascading without any trouble, separate inputs and outputs are available for flip-flops. Recommended Components The following parts are used in … Read more