TTP224 Four-Channel Touch Detector Module with Arduino

TTP224 interfacing with Arduino

TTP224 is a non-contact four-channel touch sensor IC designed to replace traditional buttons for effortless control. As the name suggests, it has four touch keys. It works by detecting the input capacitive touch and varying the capacitance to trigger the switch. Powering this IC needs only a few volts. It comes with an auto-calibration attribute … Read more

STM32F103C8T6 Blue Pill Development Board

STM32F103C8T6 Blue Pill pinout diagram

STM32F103C8T6 is one of the mid-range microcontroller units of the STM32F103x8 family based on RISC architecture. An integrated Blue Pill Development Board was introduced as a low-cost board as an alternative to STMicroelectronics STM discovery boards. The price of Blue Pill is around 2-3$. STM32F103C8T6 microcontroller comes with GPIO pins, processor, memory, USB port, Analog … Read more

ATtiny2313 8-bit AVR Microcontroller

ATtiny2313 pinout diagram 8-bit AVR Microcontroller

ATtiny2313 is one of the small Flash technology-based microcontrollers based on RISC architecture. An integrated IC with GPIO pins, processor, memory, and other peripherals. A low-power, hi-tech chip introduced by Microchip has a speed of 12 million instructions per second and a data EEPROM of 128 Bytes. It finds its applications from domestic devices to … Read more

Raspberry Pi Pico Pinout Reference – Which GPIO Pin to use?

Raspberry Pi Pico pinout diagram

In this tutorial, we will discuss Raspberry Pi Pico pinout and which GPIO pins to use for peripherals such as UART, I2C, SPI, Interrupts, and timers, etc. In this post, we are going to discuss the Raspberry Pi Pico development board which is the first development board from the Raspberry Pi in the microcontroller series. … Read more

2N3819 N-Channel JFET – Example Circuits

2N3819 pinout diagram

2N3819 is a general-purpose N-channel Junction Field Effect Transistor. It operates in depletion-mode and requires reverse biasing to turn off. It is designed for medium to high range frequencies. Furthermore, it has a high gain for wideband frequencies and has an importance in VHF/UHF based systems. It is a small-signal device capable of fast switching, … Read more

PIC12F508 8-bit PIC Microcontroller

PIC12F508 8-bit PIC Microcontroller

PIC12F508 is an 8-bit middle range microcontroller from Microchip. Here, PIC stands for Peripheral Interface Microcontroller. PIC12F508 is a cost-effective, high-performance flash microcontroller that permits us to add intelligence to our projects. It comes with a high-performance RISC CPU with only 33 single-word instructions. All instructions take one cycle to execute except for the branch … Read more

2N5089 NPN Amplifier Transistor

2N5089 pinout diagram

2N5089 is an NPN amplifier bipolar junction transistor. It operates as a switch in saturation mode and as an amplifier in the active region. The silicon-based transistor is designed mainly for audio signal amplification to amplify the weak base signal and produce a strong output signal at the collector terminal in low power systems. This … Read more

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