
SPI Serial Peripheral Interface Bus in Raspberry pi: SPI Serial Peripheral Interface:- A bus system, or bus (Binary Unit System) for short, is used to transfer data between several participants. In contrast... Read more »

Bluetooth with ESP8266 NodeMCU, Description: ESP8266 Bluetooth– You are already familiar with Nodemcu ESP8266 and ESP32 WiFi modules developed by the Espressif systems. ESP32 has the built-in low energy Bluetooth module which... Read more »

SSD1306 Oled with ESP32 and ESP8266, Description: SSD1306 Oled Display Module Interfacing with ESP32 and ESP8266– In this tutorial, you will learn how to use the SSD1306 Oled Display with ESP32 WiFi... Read more »

JFET Junction Field Effect Transistor: JFET:- It is a three-terminal Unipolar Semiconductor device in which current is controlled by electric field. Since, only one type of majority carrier i.e. Electrons or holes... Read more »

Bluetooth Pulse Oximeter Max30100, Description: Bluetooth Pulse Oximeter using Max30100, and Arduino Nano– In this tutorial, you will learn how to use the Max30100 Pulse Oximeter with Arduino Nano and display the... Read more »

Reed Switch: Reed switch was invented in 1936 Walter B. Ellwood in the bell telephone labs. Reed switch consist of pair of ferromagnetic flexible metal contacts nickel or iron which is easily... Read more »

Arduino and Raspberry Pie, Introduction: Arduino and Raspberry Pie together using I2C interface- I have been using Arduino boards and Raspberry Pie for years in different basic, intermediate, and advanced level projects.... Read more »

Women Safety Device, Smart Purse Introduction: Women Safety Device with GSM and GPS location tracking, Smart Purse– It is estimated that approximately 35% of women worldwide have experienced some forms of sexual... Read more »

Cell Phone Signal Jammer Project Description: Cell Phone Signal Jammer using 555 Timer IC– In this tutorial, you will learn how to make your own low-cost Cell Phone Signal Jammer using the... Read more »