Elecrow LoRaWAN RA-08H Development Board Integrated RP2040 with 1.8 “ LCD for Long Range Communication (868Mhz/915Mhz? Join the growing community of IoT enthusiasts and developers with our Elecrow Development Board. Designed specifically for beginners, this board combines the power of the RP2040 dual-core chip and the RA-08H module, enabling users to dive into the world of LoRa and LoRaWAN protocols with ease. The RP2040 chip offers high performance and low power consumption, making it suitable for a wide range of applications in IoT, robotics, embedded systems, and more. Equipped with the Semtech-authorized ASR6601 RF chip, the RA-08H module supports the 868/915 MHz frequency band and features a 32 MHz MCU for enhanced functionality compared to traditional RF modules. With the Crowtail interface, GPIO ports, and 3.3V/5V outputs, the board provides seamless connectivity with sensors and electronic modules on the market. Additionally, it offers RS485, SPI, I2C, and UART interfaces for expanded compatibility with various sensors and modules. Enhancing user experience, the board integrates practical features like a buzzer, custom button, three-color indicator lights, and a 1.8-inch SPI interface LCD screen with 128*160 resolution. Simplify your project development and prototyping process with Elecrow Development Board's user-friendly design and versatile functionalities. GPIO Pin Definition RP2040 Lora RA-08H Development Board GPIO0 Crowtail-UART0-TX0 GPIO15 GPIO15/ Crowtail-D1 GPIO1 Crowtail-UART0-RX0 GPIO16 LCD-DC GPIO2 GPIO2 GPIO17 LCD-CS GPIO3 GPIO3 GPIO18 LCD-SCK GPIO4 RA-08H-LPRXD GPIO19 LCD-DIN GPIO5 RA-08H-TXD GPIO20 I2C0-SDA0/Crowtail-I2C-SDA/PCA9555-SDA GPIO6 GPIO6 GPIO21 I2C0-SCL0/Crowtail-I2C-SCL/ PCA9555-SCL GPIO7 GPIO7 GPIO22 LCD-RST GPIO8 GPIO8/UART1-TX1/Crowtail-UART1-TX1/485TX GPIO23 LCD-BLK GPIO9 GPIO9/UART1-RX1Crowtail-UART1-RX1/485RX GPIO24 485-EN GPIO10 GPIO10/SPI1-SCK GPIO25 DATA GPIO11 GPIO11/SPI1-MOSI GPIO26 A0/ Crowtail-A0 GPIO12 GPIO12/SPI1-MISO GPIO27 A1/ Crowtail-A1 GPIO13 GPIO13/SPI1-CS GPIO28 BUZZER GPIO14 GPIO14/ Crowtail-D0 GPIO29 ADC-KEY Features: Uses RP2040 as the main controller, with two 32-bit ARM Cortex M0+ processor cores (dual-core) , and provides more powerful performance Integrates the RA-08H module with 32MHz MCU, supports the 868/915MHz frequency band and AT command control Abundant external interface resources, compatible with Crowtail series modules and other common interface modules on the market Integrates commonly used functions like buzzer, LED light, LCD display and custom button, making it more concise and convenient when creating projects Onboard 1.8-inch 128*160 SPI-TFT-LCD, ST7735S driver chip Compatible with Arduino/Micropython, easy to carry out different projects

ELECROW LR1262 Node Board LoRaWan Node Module for Long Range Communication (868Mhz/915Mhz) Frenquency:868 Mhz Experience the cutting-edge technology with the LR1262 Node Board, featuring the powerful RP2040 controller and LR1262 module for seamless LoRa transmission capabilities. This module supports both LoRa point-to-point transparent transmission and integration with the LoRaWAN network, providing versatile connectivity options. By combining it with Crowtail sensor modules (Ax2/Dx2/IICx1/UARTx1), you can effortlessly create a robust Lora node for various applications. Designed for outdoor use, the LR1262 Node Board boasts a built-in lithium battery charging and discharging circuit, along with solar panel charging compatibility, offering hassle-free setup and operation in outdoor environments. With six interfaces compatible with commonly used sensors like temperature, humidity, air quality, and PM2.5, this module enables quick assembly of a Lora weather station. It is also ideal for projects in smart homes, smart factories, and smart logistics. The LR1262 Node Board comes equipped with a 20-pin header and a double-row pin header in the accessories, giving you the flexibility to choose whether to solder it or not, providing you with a wide range of development options and customization possibilities. Experience the convenience, versatility, and high performance of the LR1262 Node Board for your next tech project. Features: Uses RP2040 as the main controller, with two 32-bit ARM Cortex M0+ processor cores (dual-core) ,and provides more powerful performance Integrates the LR1262 module, supports frequency band: 803MHZ-930MHZ Abundant external interface resources, compatible with 150+ kinds of Crowtail series modules Supports both Lora point-to-point transparent transmission and the use of LoraWAN network Compatible with Arduino/MicroPython, easy to carry out different projects

Elecrow RR050 5 Inch Resistive Touch Screen TFT Display 800x480 for Raspberry Pi B+/2B/3B/4B/5 This Elecrow  5-inch TFT display features a touch screen, offering a high-resolution output and a spacious viewing experience for your Raspberry Pi. It is compatible with all Raspberry Pi models, including B+, 2B, and 3B. The screen is energy-efficient, with low power consumption for its backlight. With a high resolution of 800 x 480, it delivers vibrant, full-color visuals, while the touch functionality ensures effortless interaction. Although specifically designed for Raspberry Pi, this 800 x 480 compact display can also be used with other compatible devices. Features 5-inch display monitor with a video interface, offering a high-resolution image and a wide viewing area. 800x480 resolution LCD with touch functionality, featuring backlight control for reduced power consumption. Wide viewing angle, quick response time, and vibrant full-color display. Compatible with all Raspberry Pi models, including 2B, B+, 3B, and 4B.

Elementz AVR USB Programmer with Cable USB AVR USBISP programmer will allow users to painlessly transfer hex programs to most ATMEL AVR microcontrollers. It is more reliable than most other AVR programmers available. Entire AVR programmer has been built with using common parts and fits in the case of the serial connector. This AVR programmer is compatible with AVRdude GUI software. This can be used to program : AT90S1200,2313,2323,2343,4414,4433,4434,8515,8535, ATMEGA103,128,1280,1281,16,161,162,163,165,168,169, ATMEGA 2560,2561,32,323,325,3250,328,329,3290,406,48,64, ATMEGA 640,644,645,6450,649,6490,8,8515,8535,88, ATTINY 11,12,13,15,22,2323,25,26,261,28,44,45,461,84,85,86, AT90CAN128,32,64, AT90PWM2, CAPABLE OF PROGRAMMING BOTH 3.3V & 5V AVR MICROCONTROLLERS read more : Implementation of PWM in AVR

RAMPS 1.4 Endstop Switch For RepRap Mendel 3D Printer With 70cm Cable This end stop switch for 3D printers comes along with a 70cms cable wire. They are used together to detect when an X/Y/Z stage has reached its minimum or maximum in a 3D printer. The endstop switch for 3D printers is manufactured with a standard 4 pin 100? pitch header and also features an LED on the board that will light up when the switch is activated. It using 22AWG wire, copper wire inside is very thick, can be resistant to current 2A, 300V voltage. An insulating layer over a wide range of temperatures, up to 80 degrees. Is the common connection of thin copper wire can not match. Not easy to pull off, plug it convenient, for ease of use, plug the other side to do the one, you can use the direct plug.

ESD S-150 Anti Static Heat Insulation Workbench Mat ESD S-150 Anti Static Heat Insulation Workbench Mat is the perfect solution for electronics repair and soldering tasks. Made with high-quality silica gel, this durable and versatile mat measures ensure the highest quality and durability. The advanced technology featuring heat-resistant design and anti-skidding properties makes it ideal for electronics repair, providing a reliable and safe work surface for cell phones, tablets, and computers. The mat's multifunctional use extends to maintenance platforms, soldering stations, laminating machines, and bubble remover machines, solving a variety of customer pain points. It is easy to use and maintain, with user-friendly applications and a variety of hole locations for adjusting screws, IC chips, and small parts. The ESD S-150 Anti Static Heat Insulation Workbench Mat is a must-have for anyone engaged in electronic maintenance and soldering tasks. Invest in the best for your repair work.

ESD S-160 Anti Static Heat Insulation Workbench Mat The ESD S-160 Anti Static Heat Insulation Workbench Mat is your perfect solution for efficient and precise repair work. Crafted with high-quality silicone material, this mat ensures durability and reliability. The slots, heat-resistant design, and versatile applications make it an essential tool for hobbyists and professionals alike. Made to the highest standards, this mat is your reliable partner in maintaining and repairing electronic devices. Ideal for a range of applications, it measures 0.36 cm and is suitable for various age ranges. Features: High-Quality Silicone Material Anti Static Material Bright Colour for easy view of small components Comes with various slots to store the small products like screws while repair work Several hole locations to set screws, IC chips, and small parts. Built-in scale ruler (0 ~ 36 cm ) on bottom section. Make your repair work easy. A good partner for a hot air gun.

ESP32 & ESP8266 USB Programmer Rev1.0 With Auto Boot If you want to simplify your development and debugging tasks, the ESP32 & ESP8266 USB Programmer Rev1.0 with Auto Boot is here to help. This handy tool makes it easy to download firmware and handle serial communication on ESP32 platforms. All you need is a single USB cable to connect to your PC, and it automatically recognizes the board and its functions. It’s designed to make your setup smoother and more efficient, so you can focus on what you do best. Pinout details: GND 3.3V DC (100mA Max.) RXD TXD Io0/Boot/DTR EN/Reset/RTS

ESP32 CAM USB Programmer Rev2.0 With Auto Boot If you've been frustrated by the tricky process of programming your ESP32-CAM, let me introduce you to the ESP32 Cam Programmer Rev2.0. This handy little tool adds the missing USB programming feature that the ESP32 CAM didn't come with. No more fiddling with manual resets or boot mode selections—just plug in the Cam-Prog, connect it to your computer via the C-Type USB, and you're good to go. It works like a shield that snaps right onto your ESP32 CAM, and with the reliable CH340 serial USB chip onboard, you'll be up and running with the Arduino IDE in no time. This is the upgrade your ESP32 CAM has been waiting for!

ESP32 CP2102 Wireless Development Board D1 LOLIN32 The D1 LOLIN32 ESP32 CP2102 Wireless Development Board is a small yet powerful device that improves the adaptability and effectiveness of your Internet of Things projects. Based on the reliable ESP-32 chip, this board has 4MB of flash memory, built-in WiFi, and Bluetooth, providing you with all the connections you require straight out of the box. The integrated lithium battery interface of the LoLin32 is one of its most notable features. A LiPo battery can be connected directly and charged on the board, with a 500mA maximum charge current. Now, you’ll notice this board has a streamlined design. The manufacturer removes a few pins to make it lighter, but don’t worry—you still have access to all 21 I/O pins. The number of GND and 3V3 pins is reduced, but you’ll still have everything you need for most projects. The JST connector for the battery is strategically placed next to the USB port, which is your go-to for programming (whether you’re using Arduino, Lua, or MicroPython) and charging. The status LED and reset button have been thoughtfully relocated between the USB and battery connectors. This board is engineered for those who need reliability, power, and convenience in one compact package.