Wireless

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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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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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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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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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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US$2.31
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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US$50.33
The SparkFun ESP32 Thing Power Control Shield enables the ESP32 Thing to switch up to 5A of a DC load, providing a wide variety of options to control your next project! With a default voltage range of 5–28VDC, power can be connected to this shield in one of two ways. The first is the barrel connector, but with a maximum current rating of 2.5A (designed for light loads). The second option is on the 3-pin screw terminal, which has connections for VCC, ground and a 5V output. The supply voltage is regulated down to 5V to power the ESP32 Thing, as well as a fan to keep the board cool under heavy loads.
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US$30.79
This is a WiFi module evaluation kit designed for the WiFi module WIFI-LPB100-B. Features: What's onboard: USB to UART connector, RELOAD button, LED indicators, RESET button, WPS button. Indicators: POWER, READY, LINK, RXD, TXD, WPS. Also work as a USB to UART module by configuration.
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US$17.77
This is s a WiFi module with external antenna connector. Features: Independently developed MCU platform, high cost performance. Ultra low power consumption, suit for battery-powered applications. Supports UART/GPIO data interfaces. Supports Smart Link (APP provided). Firmware upgradable via wireless and remote, wireless batch configuration tool is also provided. Supports WPS configuration. Supports software power switch (reserved for the moment). SDK provided for secondary development.
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US$33.75

The XBee USB Adapter V2 is an update version from DFRobot. It features an Atmega8U2 programmed as a USB-to-serial converter, the same chip found on the Arduino Uno. The Atmega8U2 firmware uses the standard USB COM drivers, and no external driver is needed. However, on Windows, a .inf file is required. It's compatible with all the products using XBee socket. It provides a faster and stable wireless communication for your projects. The DFRobot Xbee USB adapter is used for the XBee module configuration parameters to facilitate wireless data transmission. It can be easily connected to a PC via USB cable. Furthermore, it can be used with XBee-setting support software X-CTU. It can also be used as a USB-TTL adapter.

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US$12.25
DFRobot FireBeetle series is the low-power consumption micro-controller intentionally designed for Internet of Things (IoT). The series micro-controllers aims at IoT node of low-power consumption, attending to build the IoT hardware platform quickly and conveniently. There are three types of FireBeetle, containing Boards (main control), Covers (expansion boards) and related Accessories. FireBeetle Covers-Gravity I/O Expansion Shield is an adapter for Gravity sensors and modules. With this shield, you can achieve convenient connection between Gravity sensors and FireBeetles. Every sensor will have its independent power pins.
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US$29.68
This is a simple GPS module that has the antenna, adapter, battery and antenna extension port all on one circuit board. Simply connect four wires to get this gps module up and running with your Arduino Microcontroller! You also have the option to power the system and store data into the onboard memory register and access the data when connected to your computer using UBLOX software. Should you need some extended range to catch more satellite, we recommend using our SMA adapter.
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US$13.42
If you're interested in making your project connect to the web and be part of the grander scheme of IOT (Internet of Things) then this board is the gadget for you! Like other microcontrollers and microprocessors, the ESP32 now has built in power regulation circuits, on board antennas and noise filters and fits snuggly onto a breadboard for rapid prototyping. The ESP32 can interface with other MCUs as master or slave or function completely standalone through SPI/SDIO, I2C and UART. The microcontroller can also support an SD card and multiple sensors with its 32 GPIO pins (all of which can be used for PWM).
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US$4.38
This 4" / 100mm long flexible uFL 2.4GHz antenna has approx 4DBi gain and a 50Ω impedance so it will work fantastically with just about any 2.4-2.5GHz wireless receiver/transmitter such as the Adafruit CC3000s! Antenna comes with a uFL (a.k.a u.FL / IPX / IPEX) connector, so no more need for additional adapters to get your IoT cloud flying high!
Delivery within 2-3 weeks
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US$13.00
The ESP32 WiFi and Bluetooth chip is the latest generation of Espressif products. It has a dual-core 32-bit MCU, which integrates WiFi HT40 and Bluetooth/BLE 4.2 technology inside. Compared to the ESP8266 (the previous generation), the ESP32 has a significant performance improvement. It is equipped with a high-performance dual-core Tensilica LX6 MCU. One core handles high speed connection and the other for standalone application development. The dual-core MCU has a 240 MHz frequency and a computing power of 600 DMIPS. In addition, it supports Wi-Fi HT40, Classic Bluetooth/BLE 4.2, and more GPIO resources.
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