SIM800L is a miniature cellular module which allows for GPRS transmission, sending and receiving SMS and making and receiving voice calls. Low cost and small footprint and quad band frequency support make this module perfect solution for any project that require long range connectivity. After connecting power module boots up, searches for cellular network and login automatically. On board LED displays connection state (no network coverage – fast blinking, logged in – slow blinking).
Be prepared to handle huge power consumption with peek up to 2A. Maximum voltage on UART in this module is 2.8V. Higher voltage will kill the module
The SIM900A GSM GPRS Wireless Extension Module is a versatile communication module designed for SMS, voice calls, and GPRS data transmission. It supports quad-band frequencies, making it ideal for IoT projects, remote monitoring, and wireless communication applications. With its compact design, onboard antenna, and easy integration, it’s perfect for Arduino, Raspberry Pi, and microcontroller-based projects.
The 2-Channel Solid State Relay (SSR) Module is a high-performance switching device designed for fast, noise-free, and reliable AC load control. It operates silently with no mechanical wear, making it ideal for home automation, industrial applications, and microcontroller-based projects. Compatible with Arduino, Raspberry Pi, and other controllers, it ensures safe and efficient switching of electrical devices.
Ublox NEO-6M GPS Module with active Antenna is a cost effective, high-performance u-blox 6 based NEO-6 series of GPS modules, that brings the high performance of the u-blox 6 positioning engine to the miniature NEO form factor.
These receivers combine a high level of integration capability with flexible connectivity options in a small package. This makes them perfectly suited for mass-market end products with strict size and cost requirements.
The USB to ESP8266 Adapter Module is a plug-and-play USB-to-serial interface board, specially designed to simplify the programming of ESP8266 ESP-01 WiFi modules. Featuring an onboard CH340G USB-to-serial converter, 3.3V power regulation, and GPIO access pins, this adapter ensures smooth firmware flashing and communication. Compatible with Arduino, NodeMCU, and other microcontrollers, it’s an essential tool for IoT developers and embedded systems engineers.
The Wemos D1 R1 is an Arduino UNO-style development board powered by the ESP8266 WiFi module, offering built-in 2.4GHz WiFi, digital I/O pins, and USB programming.
Operating Voltage: 3.3V (Logic), 5V input via USB
Compatible with Arduino IDE, NodeMCU firmware
Ideal for IoT projects, smart home automation, and wireless sensor networks
Compact, affordable, and perfect for students, makers, and hobbyists
The WROOM-32D ESP32D Development Board is a compact, high-performance microcontroller module with built-in WiFi and Bluetooth 4.2 connectivity. Operating at 3.3V, it features a dual-core Tensilica LX6 processor, 38 GPIO pins, and supports Arduino, ESP-IDF, and MicroPython, making it perfect for IoT applications, wireless communication, smart home automation, and robotics.
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