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 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
