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

Use Push Button to Control LEDs of STM32F4 Discovery Board – Digital Input pins with HAL Driver

Push button interfacing with STM32F4 discovery Board

Learn how to use a push button with the STM32F4 Discovery Board to control onboard LEDs. Step-by-step guide covering pull-up/pull-down resistors, HAL_GPIO_ReadPin, digital input configuration, and troubleshooting on the STM32F407VGT6 in Keil uvision.

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

How to use FTDI USB to Serial Converter Cable ( Linux+Windows)

FTDI cable pinout diagram

In this tutorial, you will learn to USB to RS232 FTDI cable. This cable is used to transmit and receive data between computer and external devices such as microcontrollers, Arduino, development modules (Bluetooth, GPS, GSM, etc).  Most importantly,  FTDI cable is used to connect RS232 standard based devices to Personal computers and laptops.  Recommended Components … 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