Faveren Caleb 
A solar charger is an important innovation as solar is one of the most common energy sources. This design has voltage protection for both over and under voltage. We used simple components and kept things simple for better comprehension. Components used in this project S/NO Component Value Qty 1 L7815CV 15V 1 2 1N4740A 10V … Read more
A typical I2C system consists of two separate components or microcontrollers between which we intend to enable data transmission. The I2C system is handy in electronics design as it can facilitate communication between as many as 119 components. The I2C system is made up of 4 pins, they are power (Vcc), ground, SCL, and SDA … Read more
I2C communication refers to the transfer of data between two devices. It stands for Inter-Integrated Circuit. It is a protocol that aids the communication/data transfer between two microcontrollers or components. For example, I2C technology is used in robotics to control all the different parts and aspects of the robot. Most electronic devices today make use … Read more
Introduction to a 6-way remote controlled system A 6-way remote-controlled system represents a significant leap in automation technology, offering unparalleled convenience and efficiency. This innovative system allows users to operate six different devices or functionalities from a single remote control unit. The design is based on the principles of user-centric engineering, ensuring ease of use, … Read more
ESP8266 has become a common component for building IOT-capable devices. The I2C display module is a popular I2C technology that makes interfacing devices easier. It stands for Inter-Integrated Circuit. ESP8266’s popularity has made it important to be able to interface Display to it as it is one of the most commonly used microcontrollers. The information … Read more
Imagine a world where buttons vanish, and your touch alone activates devices. Picture a light switch that responds to your fingertips, a doorbell that senses your approach, or a sleek control panel that requires no physical buttons. Welcome to the realm of TTP223 Capacitive Touch Sensor, where magic meets technology. In this blog post, we’ll … Read more
The TDA2822 is a versatile and widely-used integrated circuit known for its role as a dual audio power amplifier. It’s designed to function in portable audio devices like cassette players, radios, and CD players due to its low voltage operation and power efficiency. This IC stands out for its ability to operate on a supply … Read more
Introduction to ESP8266 (Nodemcu) The ESP8266 is a compact Wi-Fi module that has gained popularity for its versatility in Internet of Things (IoT) applications. It integrates a powerful 32-bit microcontroller and a Wi-Fi transceiver into a small footprint, making it ideal for space-constrained projects. With its ability to run at 80 MHz or 160 MHz, … Read more
Introduction to bi-directional counter with light control A bi-directional counter with light control is a device that can measure the number of people entering and exiting a place at any point and turn on lights accordingly. It can be used for various applications, such as counting visitors in a museum, monitoring traffic flow, or controlling … Read more
Introduction to smart traffic light system Traffic congestion is a common problem in many urban areas, causing delays, frustration, and pollution. One of the factors that contribute to traffic congestion is the inefficient operation of traffic signals, which are often fixed and do not adapt to the changing traffic conditions. To address this issue, a … Read more
Introduction to IOT based gas safety system IOT gas safety system is a system that is meant to reduce then rate of gas incidents. A gas safety system is a device that can detect, prevent, or mitigate the hazards of gas leakage in various environments, such as homes, industries, or vehicles. Gas leakage can cause fire, … Read more
Introduction to 12v charger with auto cut off A 12v charger with auto cut off is a device that can charge a 12-volt battery, by supplying a constant current and voltage. However, overcharging a battery can damage it and reduce its lifespan. Therefore, a 12v charger with auto cut off is a better option, as … Read more
Introduction to ESP-01 ESP-01 is a Wi-Fi module that enables wireless communication and internet access for microcontroller projects. It is based on the ESP8266 chip, which has a 32-bit processor, a TCP/IP stack, and a Wi-Fi transceiver. It can operate in three modes: as an access point, as a station, or as both. It can … Read more
Introduction to Ethernet Shield(W5100) Ethernet shield w5100 is a device that allows an Arduino board to connect to the internet and perform various network tasks. It is based on the Wiznet W5100 chip, which provides a TCP/IP stack and supports up to four simultaneous socket connections. The shield can be easily mounted on top of … Read more
Introduction to Blynk IOT Blynk is a low-code IoT software platform for businesses and developers. It allows users to create mobile and web applications for their IoT devices without any coding required. It supports over 400 hardware modules, such as ESP32, Arduino, Raspberry Pi, and more. Users can connect their devices to the secure Blynk … Read more
Introduction to PIR sensors PIR sensors consist of a pyroelectric sensor, which is a material that generates an electric charge when exposed to heat. The sensor has two slots that are sensitive to infrared radiation. A Fresnel lens or a mirror is used to focus the infrared radiation onto the slots. When the sensor is … Read more
Introduction to Decade Counter CD 4017 CD 4017 decade counter is an IC that can count from 0 to 9 in binary code. It has 10 output pins, each corresponding to a digit from 0 to 9. The output pins change state sequentially as the counter receives clock pulses from an external source. A decade … Read more
Introduction to MQ2 gas sensors MQ2 gas sensors are compact and versatile electronic devices designed to detect various types of gases in the surrounding environment. These sensors belong to the MQ series, which is a line of gas sensors widely used for applications in safety, industrial processes, and environmental monitoring. MQ2 gas sensors, in particular, … Read more
Introduction to infrared(IR) receivers and remote Most advanced systems depend on wireless communication via Infrared(IR) receivers and remote, and Arduino is one of the most common platforms for innovators to explore wireless systems. Infrared(IR) receivers and remotes serve as a gateway to seamless wireless control and interaction. These components offer a user-friendly approach to designing … Read more
Introduction to soil moisture sensors Soil moisture sensors are innovative devices designed to measure the amount of moisture present in the soil. They play a crucial role in modern agriculture, environmental monitoring, and landscaping by providing valuable data to optimize irrigation practices, enhance crop yields, and conserve water resources. These sensors employ various technologies to … Read more