Using Atmel Atmega328P-AU MCU, Support ISP download,using the same chips ATmega328P and CH340 with the official version. | Support USB download and Power. | Support for external 5V~12V DC power supply, Support power supply by 9V battery. | Nano V3.0 ATMEGA328P improved version with 3pcs pin headers. No welding needed.

ATmega32U4 running at 5V/16MHz | Supported by Arduino IDE v1.0.1 | On-Board Micro-USB connector for programming | 4 x 10-bit ADC pins, 12 x Digital I/Os | Rx and Tx Hardware Serial Connections

Pro Mini Atmega328 3.3V 8Mhz | It has been programmed for its bootloader, without the user to buy ISP burner for programming, user-friendly. | This board connects directly to the FTDI Basic Breakout board and supports auto-reset. | Low-voltage board needs no interfacing circuitry to popular 3.3V devices and modules (GPS, accelerometers, sensors, etc)

Main chip: Atmel Atmega328P-AU | Fully compatible to Arduino Boards | Support Serial Download, 5V/16M | Support external power supply 3.8-12V DC | 3 Pin headers included

SN65HVD230 can be used under high interference environment. | The device has the ability to send and receive good at different rates. | Fully compatible with ISO11898 standard. | High input impedance, allowing 120 nodes | Low current standby mode, the typical current of 370μA

HiLetgo 4pcs NRF24L01+ Wireless Transceiver Module | Multi-frequency: 125 frequency points | Low operating voltage : 1.9 ~ 3.6V low voltage operation

Connector 1:SMA Female straight | Connector 2:IPX/U.FL Connector | Impendence :50 ohm | Cable Length: 6 inch (15cm)

Mini NodeMcu based on ESP-8266EX | Mini WIFI Development Board,4M bytes. | Support OTA on line | Arduino ompatibility. Using the Arduino IDE for programming | 5V 1A switching power supply (switching power supply）onboard

14 I/O Pin (servo type with GND, power and signal) | 8 analog Pin with power output and GND | 6 PWM Pin | 1 Servo power input | 5 I2C expansion Pin

HiLetgo MAX3232 RS232 to TTL Converter Module | Operating Voltage: 3.3V~5V | Four Interface: VCC, GND, RXD, TXD | Communication Chip: MAX3232 chip

TTL to RS485 485 to Serial UART Adapter | Compatible with 3.3V and 5.0V power supply. | Has RXD, TXD signal indicator light, monitor send and receive status. | Support multi-machine communication, allowing access at up to 128 devices on the bus | The module can be hot swapped, the signal does not appear dead phenomenon.

Size: 24mm * 12mm * 2mm | White: 5600K | Double sided inserting 5V USB port

HiLetgo 6 in One USB to UART Serial Interface Module | This product perfectly supports 3.3V | TTL to 232
TTL to 485

Main Chip: ENC28J60-I/SO | The board 25MHZ crystal | RJ45 connector HR911105A isolation transformer | Power supply 3.3V

Note: This item comes unassembled, soldering of headers is required. Lithium battery is not included. | WIFI LoRa 32 development board with 433/470MHz antenna, It supports Sniffer, Station, softAP and Wi-Fi Direct modes. This product is based on the WIFI Kit 32 added SX1278 chip, that is, LoRa remote modem, 433MHz frequency, about -139dBm high sensitivity, +20 dBm power output

Microprocessor: ESP32-S3FN8 dual-core processor, frequency up to 240 MHz | SX1262 LoRa node chip. | Onboard SH1.25-2 battery interface, integrated lithium battery management system | Onboard 0.96-inch 128*64 dot matrix OLED display | Integrated CP2102 USB to serial port chip, convenient for program downloading, and debugging information printing.

Module with a ceramic antenna, superior signal | Save the configuration parameter data EEPROM Down | With data backup battery;With LED signal indicator | Default baud rate: 9600, Interface: RS232 TTL | Compatible with a variety of flight control module

HB100 10.525GHz Microwave Doppler Radar Detector Probe Wireless Sensor | Chip: HB100 | Frequency: 10.525GHz | Voltage: DC 5V¡À0.25V | Size: Length 37mm *width 45mm *height 8mm

Works with any USB Bluetooth adapters, running in slave role: Pair with BT dongle. Led indicate Bluetooth connection status, flashing Bluetooth connectivity, lit the Bluetooth connection and open a port Backplane | Core module uses HC-06, leads from the module interface includes VCC, GND, TXD, RXD, reserve LED status output pin, the microcontroller can be judged by the foot state Bluetooth has connected KEY pin slave invalid. | Small size, low power consumption,high sensitivity for send and receive. Bluetooth version: V2.0+EDR &Operating voltage: 3.3V &Host Interface:UART &Storage Temperature:-40℃~+150℃&Signal coverage: 30ft &Item size: 4.3 * 1.6 * 0.7cm &Item weight: 3g. | The module is mainly used for short-range data wireless transmission,such as Bluetooth wireless data transmission,Industrial remote control, telemetry,Traffic, underground positioning, alarm,Smart home ect. | Industrial serial port bluetooth, Drop-in replacement for wired serial connections, transparent usage. You can use it simply for a serial port replacement to establish connection between MCU and GPS, PC to your embedded project and etc. Computer and peripheral devices.

433Mhz SI4438 1000M HC-12 Replace Bluetooth Antenna | Power supply voltage : 3.3V | Default communication distance: about 1000 meters | Default idle current: 16 ma | Module size: 27.8mm*14.4mm*4mm

This Adapter only supports the 5 cm solid state drive defined by the mSATA interface in the mini pci-e. The mSATA is not equal to the 1.8-inch MICRO SATA. | The mini pci-e interface has three pin definitions. mSATA- is more common on Lenovo and THINPAD machines. SATA MINI PCI-E- is more common in Asus
EPC and some tablets.there is also a PATA definition, which is essentially an IDE interface, more common on Dell MINI 9 and other machines.The three interface definitions look exactly the same and can't be distinguished by the naked eye, so be sure to distinguish the interface definitions of your SSDs! | Solid state drive (not supported by ASUS, the kind used by Lenovo) plus adapter card, the size is the same as your original CE interface mechanical hard disk, solid state drive plus adapter card size: 6.3 * 3.5 * 0.63cm (long *generous). | Connect the Mini PCI-e mSATA SSD to a 1.8" ZIF SSD for easy update of IPOD, PAD or laptop SSD. (Not supported by any Apple device) | Be sure to pay attention to the direction in which the cable is plugged into the connector, as opposed to your original hard drive.

Support NFC RFID reading and writing, P2P communication with peers | Support I2C, SPI and HSU (High Speed UART), easy to change among these modes | On-board level shifter, standard 5V TTL for I2C and UART, 3.3V TTL SPI | Arduino Raspberry Pi compatible, Small Size and easy to embed into your project | RFID reader/writer supports: Mifare 1k, 4k, Ultralight, and DesFire cards, ISO/IEC 14443-4 cards such as CD97BX, CD light, Desfire, P5CN072 (SMX), Innovision Jewel cards such as IRT5001 card, FeliCa cards such as RCS_860 and RCS_854

The MF522-AN module design the circuit of card read by using the original Philips MFRC522 chip. | Easy to use, low cost, and applicable to equipment development and card reader development etc. | Applicable for the user who need to design or manufacture the RF card terminal. | The module can be directly loaded into the various reader molds. | The module use a voltage of 3.3V, it can connected communication with user's any CPU mainboard through several lines of SPI interface, it can ensure stable and reliable work, and reader distance.

Increase 5V power output, the output I / O port protection are not afraid of operational errors caused damage! | The interface easy to use simple horns seat pitch of 2.54, with 20CM DuPont line, the line can respond to different target sequence, flexible wiring | Supports automatic firmware upgrade, the factory has been upgraded to the latest firmware V2.J17.S4; | The interface definition directly in the shell marked, clear, convenient and practical；

DC 5V-12V | 1 analog input(3.2V max input) | Micro USB connection | Compatible with For Arduino | D1 R32=WiFi+Bluetooth+UNO

VK172 G-MOUSE USB GPS Receiver for Windows 10/8/7/VISTA/XP | VK172 G-MOUSE USB GPS/GLONASS USB GPS Receiver | Supported operating systems: Windows 10/8/7/Vista/XP/CE | Reference coordinate system: WGS-84 | Tracking sensitivity:-162dBm

W5500 SPI to LAN Ethernet Network Module | Power supply mode:3.3V external power supply, current should be more than 200mA; | Control interface:The TTL level, 3.3V SPI interface; | TCP IP STM32 Interface