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2479-ADA Adafruit Bluefruit LE UART Friend - Bluetooth Low Energy (BLE)
US$26.95
Would you like to add powerful and easy-to-use Bluetooth Low Energy to your robot, art or other electronics project? Heck yeah! With BLE now included in modern smart phones and tablets, its fun to add wireless connectivity. So what you really need is the new Adafruit Bluefruit LE UART Friend! The Bluefruit LE UART Friend makes it easy to add Bluetooth Low Energy connectivity to anything with a hardware or software serial port. We even have nice hardware flow control so you won't have to think about losing data. Connect to your Arduino or other microcontroller or even just a standard FTDI cable for debugging and testing.
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XB24CZ7WIT-004 Emitter-Receiver RF Module Standard 802.15.4 Wire antenna integrated
US$54.55
This RF module provides cost-effective wireless connectivity to electronic devices. They are interoperable with other ZigBee PRO feature set devices, including devices from other vendors.
Delivery within 2-3 weeks
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WL-SYN115 443 MHz SYN115 Wireless Transmitter Module
US$4.19
This is a high performance, easy to use, 433 MHz ASK Wireless transmitter that is ideal for consumer and industrial applications such as remote controlled electronics applications, wireless data transfer applications, mobile robots etc.
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SENS-I-15 Serial IR Transceiver
US$5.59
This IR transceiver module is equipped with a 38K infrared transmitter and receiver supporting NEC code (infrared transmission protocol) for transmitting and decoding. Serial communication interface can be easily connected to your microcontroller or computer, then control the NEC-code-controlled devices like TV, cooling fan, air conditioner etc...
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GK-KIT-M590E D.I.Y Neoway M590E GSM/GPRS Shield
US$5.49
This is an very inexpensive and pretty cool soldering kit. If you solder this board correctly you should have a valuable and functional GPS shield for your Arduino based projects. This GPS shield is based on the neoway M590E GPS that offers u.FL connection or a provided coiled antenna. You can send and receive data via UART or TTL both on 5V. This board is designed for GSM spectrum of 900-1800MHZ.
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ANT-25 GSM/GPRS/3G PCB Antenna with u.fl/IPEX Connector
US$2.79
This PCB board has traces inside that make it act as an antenna. If you have an Arduino or microcontroller that could use a external antenna for better reception, we suggest trying this board first. This board has a 15cm wire with a U.FL connector at the end, it is also known as the IPEX connector. It also comes with a double side tape stuck on one side for easy mounting.
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WIFI-ESP-01S ESP8266 Wireless Single Relay Breakout Board
US$4.89
This is a neatly designed board that offers the ability to connect your esp8266 directly onto the yellow female pin sockets and have a wireless preprogrammed relay working. Note: you need to purchase an ftdi programmer, flash the ESP with Arduino bootloader, write your Arduino code to toggle the relay when a wireless signal is received and then use this product to connect onto the esp8266 to wait for a signal to toggle the relay from your app or device. The added bonus is you can create your own encrypted automated home system that runs on your own protocol. The board will require an external 5v to power the board that can be tighten with the screw terminal blocks. You can use the relay to act as a switch and turn on or off devices that run at a max of 5amps 120VAC. (note the relay may state 10amps, but we think the copper trace and screw terminal can only provide up to 5A ~6A safely). It also includes a reset button, so if the program hangs you can reset the device.
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ANT-21 2.4GHz linear Dipole Antenna - u.Fl (IPX) connector
US$1.39
Like any antenna, this product is designed as a specific length of wire that is exposed for radio frequencies to be emitted or received. This antenna also known as a micro linear whip antenna is an excellent choice for light weight applications or for neatly hiding your antenna in limited space. You can find these antenna in any transmitters that do not have a removable modem. They connect onto to any u.Fl ports, do take precautions as the connector is not designed for removal and re-insertion for more than several times. This antenna is designed for operate at 2.4ghz frequencies at a quarter wavelength and the cable that extends before being exposed is shield with a special RG178 coax cable!
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TEL0120 DFRobot BLE4.1 Module
US$26.25
BLE4.1 Module is DFRobot newly developed Bluetooth 4.1 transmission module, adhering to the same usage of Bluno, and increasing the star network function, KISS connection (Approach Connection). The new Bluetooth is designed based on BLE 4.1 technology. It has low power consumption and other special features. In the BLE transmission, the point-to-point output rate is 4Kbps, equivalent to the original Bluno twice the rate.
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ANT-23 Antenna receiver Wifi Bluetooth 2.4G with IPX connector
US$0.69
This device is a 2.4G Wifi Bluetooth receiver antenna used for remote control applications in planes, or drones. Length: 15cm.
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WIFI-ESP8266-T ESP8266 ESP12 Test Board WiFi Module
US$9.09
Handy battery powered ESP8266 ESP12 module test board. Includes on board LEDs, RGB LED and light sensor. Can be setup and controlled without programming using the demo android application. ESP8266 WiFi UART Serial Module ESP-12. With breakout board and battery holder. This module uses 3x AA batteries (not included) and has a 3.3V regulator onboard.
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TEL0112 Gravity: 315MHZ RF Receiver Module
US$12.00
The 315MHz RF receiver module is widely used in the field of vehicle Telecontrol, access control system, identification, etc. Compared with traditional wired communication, RF radio has advantage of higher flexibility and lower maintenance cost. DFRobot 315MHz RF receiver module using SC2272-L4 low power decoder chip, with 8-bit three-state address coding switch, each one has three states: high level, low level, floating empty, so it supports up to 6,561 of the coding address. Modules can be used with SC2260, SC2262, PT2260, PT2262 and other coding chips, recommend our Remote Wireless Keyfob (315MHz).
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ANT-960 3-5VDC GPS Antenna with a gain of 5dB, 3 meters cable with u.FL connector
US$9.94
This GPS antenna draws about 16mA max and offers 28 dB of gain. Its cable measures 3m long extending its reach to suit your needs. The compartment of the antenna has magnetic properties allowing you to place it on any steel surface. Comes with a standard SMA connector on the end and a u.FL to SMA adapter wire, which you can use to connect your antenna to any gps module with a u.fl female port. GPS module is not included.
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WIFI-ESP8285M ESP-M1 WIFI ESP8285 Microcontroller SMD Module (ESP8266 Compatible)
US$6.29
Looking for a low power wireless component to add onto your projects? This widely known Wi-Fi module might be just what you’re looking for. With very little to no extra circuitry required, this product makes for a great addition to any IoT project. However, this module does not come with an antenna but does include a U.FL antenna connector. This is a very cost-effective alternative to getting an Arduino Wi-Fi shield. Not only is it compact and practical but it is fitted with most Wi-Fi capabilities you can think of (can act as a Wi-Fi adapter though serial communication, can be configured as a client or host, etc). This specific module is more updated which allows it to reach higher temperature values than its predecessors and is great for any PCB design that requires a WI-FI SMD mount component.
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PRT-14311 ESP32 Thing Stackable Header Set
US$3.89
These headers are made to work with the SparkFun ESP32 Thing and ESP32 Power Control Shield boards. Each set of headers makes your ESP32 Thing easily stackable with the Power Control Shield or other applications. This set includes two 1x20 headers, enough to connect your ESP32 to anything you want! Includes: 2x 20-pin Stackable Header.
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