STMicroelectronics P-NUCLEO-LRWAN2 Meet the STM32 Nucleo starter pack for LoRa technology and advanced modulations! This uses the NUCLEO-F746ZG board with an STM32F7 microcontroller, paired with a RisingHF ARDUINO expansion board (LRWAN_GS_HF1). It acts as a strong LoRaWAN packet forwarder, smoothly connecting your data to LoRaWAN network servers. Equipped with the NUCLEO-L073RZ board, which runs on an ultra-low-power STM32L0 microcontroller. It controls the USI I-NUCLEO-LRWAN1 ARDUINO expansion board, serving as a versatile sensor node compatible with ARDUINO platforms. The I-NUCLEO-LRWAN1 includes an easy-to-use STM32L05-powered LoRa module with simple AT commands for easy operation. Buy STMicroelectronics P-NUCLEO-LRWAN2 now and step into the world of LPWAN. Key

SX1278 LoRa Module Ra- 02 433MHZ Wireless Spread Spectrum Transmission The wireless transmission module Ra-02 is based on the SEMTECH SX1278 wireless transceiver. This LoRa module uses advanced LoRa spread spectrum technology to provide a communication range of up to 10,000 meters. It has excellent anti-jamming skills and an air wake-up consumption feature. The SX1278 LoRa RF module is designed mainly for long-range spread spectrum communication and has low current consumption. It has a high sensitivity of -148 dBm and a power output of +20 dBm. Compared to traditional modulation technology, LoRa modulation technology provides significant advantages in terms of anti-blocking and selection, interference, and power consumption. Features LoRa ™ Spread Spectrum modulation technology Constant RF power output at + 20dBm-100mW voltage change Half-duplex SPI communication Supports FSK, GFSK, MSK, GMSK, LoRa ™ and OOK modulation modes Automatic RF signal detection, CAD mode and very high speed AFC Packet engine with CRC up to 256 bytes Small footprint dual-row stamp-hole patch package Shielded housing Spring Antenna Applications: Long-range wireless communication module based on LoRa platform Uses SPI communication protocol and requires an antenna for proper RF communication Operates on 3.3V and has 16 pins (8 on each side) Can be interfaced with microcontrollers like Arduino Uno and Nano Widely used in IoT, smart agriculture, smart cities, and industrial automation due to its long-range communication and low power consumption Package Includes: 1 x LoRa Wireless Spread Spectrum Transmission Specifications: Working voltage 1.8-3.7v Communication distance 15KM Sensitivity down to -148dBm Programmable bit rates up to 300kbps RSSI dynamic range 127dB Wireless frequency 433MHz

TTGO T-Call V1.4 ESP32 SIM800L Wireless Communication Module You're looking at an unsoldered TTGO TCall ESP32 SIM800L module with a SIM antenna and SIM card slot. This module is a wireless communication module that connects any microcontroller to your WiFi network via the ESP V1.4 ESP32 Serial WIFI Wireless Transceiver Module. The ESP32 module is a self-contained SOC with a built-in TCP/IP protocol stack. Because of its solid inbuilt processing and storage capabilities, this module can be quickly connected with sensors and other application-specific devices, with little programming and runtime loading. The TTGO T-Call combines an ESP32 development board and a SIM800L GSM/GPRS module. This combo offers wireless communication via the ESP32's WiFi and Bluetooth capabilities, as well as the SIMCom SIM800L GPRS module. Notably, the board's power and programming ports are USB-C rather than micro USB. Whether you need to get warnings when someone enters your room or remotely water your plants, the ESP32 with SIM800L GSM/GPRS Module can prove quite useful. The SIM800L's tiny size and adaptability make it an excellent choice for a variety of IoT projects. Why is this Wireless Communication Module best for IoT applications? The ESP32-based wireless communication module is best for IoT applications because it consists of a USB Type C pluggable board that has an onboard LiPo Battery Charging Circuit & Connector.

USB to UART ESP-01 CH340 Programmer The USB to UART/ESP8266 Adapter Programmer for ESP-01 WiFi Modules with CH340G Chip converts the signal from a USB interface to a PC / laptop to match a serial module ESP8266. ESP-01 serial wifi module can be directly plugged into the yellow pin header without any connecting wire. This converter module has a CH340 chip which is reliable and high-performance. It is compatible with most Windows systems. The adapter features integrated capacitors to maintain a current of 1000 μF. Applications: Water heater thermostat. Smart card equipment. Wireless communication Package Includes: 1 x USB to UART ESP-01 CH340 Programmer Specifications Operating Voltage (VDC) 4.5 ~ 5.5 Driver IC CH340G Logic Input (V) 3.3 Operating Current (A) 0.3 Dimensions  5 x 1.8 x 1.4cms  Weight  5 grams

V3 Version 863MHz-928MHz SX1262 ESP32 WIFI Bluetooth Lora with 0.96 OLED Display The ESP32 LoRa SX1262 0.96 Inch OLED Display Bluetooth WiFi Module for Arduino is a new development of the cost-effective networking program. The ESP 32 WiFi LoRa is a classic IoT dev-board designed & produced by Heltec Automation. Since its launch in 2017, it has been loved by developers and makers. The newly launched V3 version has the same pin sequence as the V2 version and retains Wi-Fi, BLE, LoRa, OLED display, and other functions.  This loRa module has Onboard 32MByte Flash, Wi-Fi antenna, 0.96-inch blue OLED display, lithium battery charging circuit and interface, CP2102 USB to serial chip, the perfect support for Arduino development environment, can be very simple and fast for program verification and product development. It is the best option for smart cities, farms, homes, industrial control, house security, wireless meter reading, and IoT developers. check out : MKS TFT-WIFI V1.0 ESP8266 WIFI Module Pinout: Pinout Of V3 ESP32 WIFI Bluetooth Lora With 0.96 OLED Display Package Includes: 1 x V3 Version 863MHz-928MHz SX1262 ESP32 WIFI Bluetooth Lora with 0.96 OLED Display  Specifications:  Master Chip ESP32-53FN8 (Xtensa 32-bit lx7 dual core processor) LoRa Chipset SX1262 USB to Serial Chip CP2102 Frequency 470 510 MHz, 863~928 MHz Max. TX Power 21 + 1 dBm Max. Receiving sensitivity -139 dBm Battery 3.7V lithium battery power supply and charging Operating temperature -20~70 °C Dimensions 50.2x25.5x10.2 mm Weight 5g

WeMos Lolin V1.0 wifi+Bluetooth This is WeMos LOLIN32 board which is based on ESP 32 Rev1 Wifi and Bluetooth Board. The WeMosboard is designed perfectly for DIY wifi-based projects compatible with Arduino. This WeMos Lolin wifi board is inspired by Adafruit’s Feather series. It has 4 MB flash memory onboard, a USB-serial adapter (cp210x), and a LiPo battery charger and connector. All the relevant pins are broken out and well-labelled, especially on the bottom. It has a nice central reset button and even a single-user LED for your blinking pleasure. Pinout: Pinout of WeMos Lolin V1.0 wifi+Bluetooth Applications: Wireless Communications IoT Applications Control System Home Automation Package Includes:  1 x WeMos LOLIN32 V1.0.0 based on ESP32 Rev1 Wifi Bluetooth Board 1 x Header pins set Specifications Microcontroller  ESP-32 Operating Voltage 3.3V Digital I/O Pins 26 Analog Input Pins 12 Clock Speed(Max) 240MHz Flash 4Mb Dimensions  58 x 25 Weight  15 grams

WiFi Kit 32 WiFi Kit 32 is a classic IoT dev-board designed & produced by Heltec Automation(TM), it’s a highly integrated product based on ESP32 (include Wi-Fi and BLE), Li-Po battery management system, 0.96″ OLED is also included. It’s the best choice for smart cities, smart farms, smart home, and IoT makers. The internal flash of the ESP32 module is organized in a single flash area with pages of 4096 bytes each. The flash starts at address 0x00000, but many areas are reserved for Esp32 IDF SDK and Zerynth VM. There exist two different layouts based on the presence of BLE support. Note: The device can operate on an external supply of 2.5 to 6 volts. If using more than 6V, the voltage regulator may overheat and damage the device. Pinout: Pinout of WiFi Kit 32 Package Includes: 1 x WiFi Kit 32 Specifications: Operating voltage 3.3V to 7V Operating temperature range -40°C to +90°C. Data Rate 150Mbps @ 11n HT40,72Mbps @ 11n HT20,54Mbps @ 11g, 11Mbps @ 11b Transmission power 19.5 dBm @ 11 b, 16.5 dBm @ 11 g, 15.5 dBm @ 11 n Flash size 32 MegaByte Dimensions 50 x 25.4 x 10.3mm Lithium battery interface 2 pin,1.25mm interface

Wio Terminal Development Board Wio Terminal is an ATSAMD51-based microcontroller with wireless connectivity supported by Realtek RTL8720DN. Its CPU speed runs at 120MHz (Boost up to 200MHz). Realtek RTL8720DN chip supports both Bluetooth and Wi-Fi providing the backbone for IoT projects. Wio Terminal is more of a complete system equipped with a Screen + Development Board + Input/Output Interface + Enclosure, making it an efficient and Product-Ready Product. The Wio Terminal itself is equipped with a 2.4” LCD Screen, onboard IMU(LIS3DHTR), microphone, buzzer, microSD card slot, light sensor, and infrared emitter(IR 940nm).  With Wio Terminal, you can:  Sense and tag the Real-World data with over 300 Groves created by Seeed Use a 100% open-source Hardware in a pythonic way Build your program interpreter starting from 90% with LCD screen and compact enclosure Features All-in-one development board Equipped with an ATSAMD51-based microcontroller Wireless connectivity supported by Realtek RTL8720DN Compatible with Arduino and MicroPython 2.4'' LCD screen Onboard IMU, microphone, buzzer, microSD card slot, light sensor, and built-in magnets It can be used for various projects and interfacing with the real world Works with the standard Arduino IDE to develop applications Versatile board for DIY IoT projects, education, and more Package Includes: 1 x Wio Terminal Board 1 x User Manual 1 x USB Cable Wio Terminal Board Specifications Core Processor ARM® Cortex®-M4F Maximum Speed 200MHz Resolution 320x240 Display Size 2.4inch Wi-Fi 802.11 a/b/g/n 1x1, 2.4GHz & 5GHz Bluetooth Support BLE5.0 Accelerometer LIS3DHTR Light Sensor 400-1050nm Infrared Emitter 940nm MicroSD Card Slot 16GB Max GPIO 40-PIN (Raspberry Pi Compatible) Grove 2 (Multifunction) FPC 20 pins Dimension 72mm*57mm*12mm Weight  100 grams

Witty Cloud ESP12F ESP8266 Serial WiFi Development Board (Mini Node MCU Module) The ESP8266/ ESP-12F Module/ Serial WIFI Witty Cloud Development Board + MINI nodeMCU is a cheap and small Wifi transceiver, a perfect solution for Home Automation and IoT applications. It can be the replacement for your NRF24L01, it can talk to your Wifi router directly through the UART MCUs (Rx, Tx). The upper board is the main board which consists of an ESP-12F module where the ESP8266 Wi-Fi microcontroller is located, an RGB LED, an LDR, a button, a micro USB port, and a 3.3V voltage regulator. The lower board mounts the CH340G USB-to-UART module that allows connection with a computer to the ESP8266 for programming the flash or for seeing debug messages. There are other two buttons RST (reset) and FLASH, and a micro USB port. It has an LDR and a WS2812 LED already on board for your projects. The esp board comes with a CH40 micro USB module to program it. The system equips ESP8266 and its features are: energy-saving VoIP quickly switch between the sleep/wake patterns, with low-power operation adaptive radio bias, and front-end signal processing functions. Witty Cloud ESP12F Module Circuit Diagram: ESP8266 Serial WiFi Witty Cloud Circuit Diagram Applications: Home Automation. IoT Devices. Package Includes: 1 x Witty Cloud ESP12F Module Specifications Microcontroller ESP8266 Operating Voltage 3.3 Tactile buttons x 3  Supports 3 modes  AP, STA, AP+STA Dimensions 3 x 3 x 3cms Weight 5g

Witty Fox - ESP Programmer WittyFox ESP Programmer is a more convenient CP2102-based USB to UART converter with a built-in ESP reset circuit. It makes programming and debugging ESP series boards easier and more straightforward as the pin connections are 1:1 and can be directly connected to the ESP circuit. It also features a micro USB instead of a USB type A connector for flexibility. The Witty Fox ESP programmer allows developers to write code for the ESP microcontroller and upload it onto the device. This can be done using a variety of programming languages, such as C++, Python, and JavaScript. The ESP programmer typically connects to the microcontroller via a USB port or a set of pins, depending on the specific model of the ESP chip being used. Supported operating systems: Windows 98/Me/2000/7 MAC OS-9 MAC OS X-Windows CE Linux 2.40 or later Applications: Programming ESP8266/ESP32 Boards. Debugging and Testing. DIY Electronics. Package Includes: 1 x Witty Fox ESP Programmer Specifications: Brand  Witty Fox Model ESP Programmer Converter Type USB to TTL LED RX and TX LED indicators Dimension 3.2x2x1cms Weight 15grams