The DHT21/AM2301 is a high-precision capacitive digital temperature and humidity sensor operating at 3.3V–5.5V. It offers a wide temperature range of -40°C to 80°C and 0–100% RH with ±0.5°C and ±3% RH accuracy. Ideal for Arduino, IoT, weather monitoring, and smart home automation projects.
The MQ4 Gas Sensor Module is a high-sensitivity methane (CNG) detector designed for reliable detection of combustible gases. Operating at 5V DC, this sensor features analog and digital outputs, making it easy to integrate with Arduino, Raspberry Pi, and other microcontroller platforms. Its fast response time, adjustable sensitivity, and compact size make it ideal for smart gas leakage detection, industrial monitoring, and IoT automation projects.
Detect hydrogen gas leaks with the high-performance MQ8 Gas Sensor Module, compatible with Arduino, Raspberry Pi, and ESP32. It operates at 5V DC, offering both analog and digital outputs for flexible integration into smart safety systems, IoT devices, and gas monitoring solutions. Ideal for STEM projects, industrial automation, and hydrogen-powered applications.
The Raspberry Pi 4 Model B 4GB RAM is a compact yet powerful single-board computer, ideal for tech enthusiasts, developers, and educators. Equipped with a 1.5GHz quad-core Cortex-A72 CPU, 4GB LPDDR4 RAM, dual 4K micro-HDMI ports, USB 3.0, and Gigabit Ethernet, it delivers seamless performance for tasks like IoT development, AI integration, robotics, home automation, and media streaming, all within a credit-card-sized board.
The Raspberry Pi 4 Model B 8GB RAM is a high-performance single-board computer built for developers, engineers, and tech enthusiasts. It features a 1.5GHz quad-core Cortex-A72 CPU, 8GB LPDDR4 RAM, dual 4K HDMI output, Gigabit Ethernet, USB 3.0, and wireless connectivity. Ideal for AI, robotics, programming, and media center applications.
The Raspberry Pi 5 4GB RAM is a compact and high-performance single-board computer, powered by a 2.4GHz quad-core ARM Cortex-A76 processor and equipped with 4GB LPDDR4X RAM. It features dual 4K HDMI outputs, PCIe 2.0 expansion support, USB 3.0 ports, and advanced networking options. Engineered for tech enthusiasts, developers, and hobbyists, it’s ideal for Robotics, AI, IoT, and desktop computing projects.
The SIM900A GSM GPRS Module is a compact wireless communication board that enables SMS, calling, and GPRS internet connectivity for microcontroller platforms like Arduino, ESP32, and Raspberry Pi. Operating at 5V–12V DC, it supports standard AT commands and includes an external antenna for enhanced signal reception. Ideal for IoT, remote monitoring, and wireless control projects.