Agarwaal Electronics

The NodeMCU ESP8266 development board comes with the ESP-12E module containing the ESP8266 chip having Tensilica Xtensa 32-bit LX106 RISC microprocessor. This microprocessor supports RTOS and operates at 80MHz to 160 MHz adjustable clock frequency. NodeMCU has 128 KB RAM and 4MB of Flash memory to store data and programs.

NodeMcu ESP8266 V3 Lua CH340 Wifi Development Board is a fast leading edge low-cost WiFi technology. Modern high-level mature LUA based technology. It is an integrated unit with all available resources on board. It is super simple to complement your existing Arduino projects or any development board that has I/O pins available.

Modern Internet development tools such as Node.js can take advantage the NodeMCU with the built-in API to put your idea on the fast track immediately. NodeMCU is built based on the mature ESP8266 technology to take advantage of the abundant resources available on the web

The ATtiny85 is a small, low-power, 8-bit AVR microcontroller, often used in compact Arduino-compatible development boards. It features 8KB of flash memory, 512 bytes of SRAM, and 512 bytes of EEPROM. The module typically includes a USB interface for programming and power, and offers multiple I/O pins for connecting components

The ESP32-CAM is a small, low-power camera module based on the ESP32 microcontroller, designed for various Internet of Things (IoT) applications. It typically includes an OV2640 camera and a TF card slot, enabling wireless video monitoring, image uploading, and more. It's a versatile and cost-effective solution for projects requiring image capture and transmission. 

The ESP-01 is a compact Wi-Fi module based on the ESP8266 chip, developed by Espressif Systems. It enables microcontrollers to connect to a Wi-Fi network and make simple TCP/IP connections using AT commands. Widely used in IoT applications, this module offers a low-cost solution for adding Wi-Fi functionality to embedded devices.

It comes pre-programmed with AT firmware, allowing it to be controlled via a serial interface, but it can also be reprogrammed with custom firmware like Arduino, NodeMCU, or MicroPython.

Ra-02 Wireless Transmission Module by ADIY for your diverse connectivity needs. Powered by SEMTECH’s SX1278 wireless transceiver, it harnesses advanced LoRa spread spectrum technology, enabling communication across impressive distances, up to 10Km. Boasting robust anti-jamming capabilities and an air wake-up function, it’s optimized for efficient power consumption.

Our SX1278 RF module is your ticket to long-range spread spectrum communication with minimal power consumption. With a remarkable sensitivity of -148 dBm and a power output of +20 dBm, it ensures both reliability and extended transmission ranges.

The Ra-02 is a state-of-the-art LoRa modulation technology. It excels at reducing interference and enhancing selectivity, skillfully tackling the typical challenges of balancing range, interference, and power efficiency that conventional designs frequently struggle with. Whether you’re overseeing a community-wide meter reading network, integrating smart home innovations, or fortifying burglar alarm systems, the Ra-02 is your dependable go-to, tailor-made to fulfill a broad spectrum of residential requirements and beyond.

A USB logic analyzer is a debugging tool used to capture and analyze digital signals in electronic circuits, particularly useful for microcontrollers, FPGAs, and other digital systems. It connects to a computer via USB and uses specialized software to display and analyze the captured data, allowing engineers to visualize and diagnose issues in digital communications and logic circuits. 

The BBC micro:bit Go kit is a pocket-sized computer designed to introduce children and beginners to the world of coding and electronics. It's a versatile device that can be programmed to perform various tasks using different programming languages. The kit includes the micro:bit V2, a USB cable, and a battery pack with AAA batteries, allowing users to start coding and experimenting right away. 

The ESP8266 CP2102 is a popular development board for IoT (Internet of Things) projects, combining the ESP8266 Wi-Fi chip and the CP2102 USB-to-serial converter. The ESP8266, a low-cost Wi-Fi chip, provides the core functionality for wireless communication, while the CP2102 handles the serial communication with a computer for programming and debugging. 

This Wemos D1 mini V3 is basically a handy breakout board of the ESP8266 chip. The CH340 USB to serial converter makes it easy to program, even as an Arduino.
The board has a micro USB connection with which it can be programmed and/or powered. (micro USB cable not included)
This board has the ESP8266 chip with 4MB flash memory.
This third version of the D1 Mini has a slightly improved circuit board including a mounting hole (2mm) and a possibility to connect the deepsleep pin directly (solder bridge) with the reset pin.
The WeMos D1 Mini is a powerful and compact Wi-Fi-enabled development board that integrates the popular ESP8266EX SoC, offering both microcontroller functionality and Wi-Fi connectivity. Its small size, low power consumption, and USB support make it ideal for DIY IoT applications like smart home automation, environmental sensing, and wireless control systems.

The STM32F103C6T6 Minimum System Board Microcomputer is a low-cost yet highly efficient development board designed for embedded systems and microcontroller-based applications. Powered by the CS32F103C6T6 ARM Cortex-M3 core, this board serves as a compact and powerful solution for developers working with STM32 microcontrollers. It features a basic MCU circuit, including an 8MHz crystal oscillator and a 32.768kHz RTC crystal (Epson brand) for stable and accurate clock timing.

This STM32 ARM Core Board provides a USB power supply circuit with a Micro USB interface, which supports both USB communication and power delivery, making it compatible with standard Android mobile phone chargers. The board is designed with two rows of I/O pins, allowing easy access to all GPIOs, enabling flexible hardware expansion for various embedded applications. Additionally, it includes an SWD (Serial Wire Debug) interface for efficient debugging and firmware downloads, offering a fast and convenient development experience.

One of its key advantages is its double-pin design, where the pins are not pre-soldered, giving users the flexibility to choose the orientation based on their project requirements. Whether for prototyping, learning, or professional development, the STM32F103C6T6 Minimum System Board provides a reliable and adaptable platform for working with Advanced RISC Machine (ARM) architecture in microcontroller-based projects.

 It is ideal for developing embedded applications involving high speed wireless communication (Zigbee / Bluetooth / WiFi), USB based data logging, real time data monitoring and control, interactive control panels etc.