Communications

17 Item(s)

Grid List

New VELLEMAN Bluetooth Transmission Module

VELLEMAN Bluetooth Transmission Module, VMA302

$13.30
  • frequency: 2.45 GHz
  • asynchronous speed: max. 2.1 Mbps
  • Security: Authentication
  • Profile: Bluetooth Serial Port
  • Power supply: +3.3 VDC
  • working temperature: Max. 60°C
New VELLEMAN IR Receiver 2 pack

VELLEMAN IR Receiver 2 pack, VMA317

$4.20
  • Photo detector and preamplifier in one package
  • internal filter for PCM frequency
  • inner shield, good anti-interference ability
  • high immunity against ambient light
  • Improved shielding against electric field disturbance
  • 3.0 V or 5.0 V supply voltage, low power consumption
  • TTL and CMOS compatibility

Specifications:

  • Supply Voltage: 3 to 5 VDC
  • max. supply current: 1.5 mA
  • B.P.F. center frequency: 37.9 KHz
  • dimensions: 28 x 15 x 10 mm

New VELLEMAN IR Transmitter Modules 2 pack

VELLEMAN IR Transmitter Modules 2 pack, VMA316

$4.35
  • max. current: 20 mA
  • Connection: 3 pins, only GND (-) and S is used
  • weight: 2 g
  • dimensions: 35 x 15 x 8 mm
  • Attention: There is no current limiting resistor on the module.

SPARKFUN ESP8266 Thing - Dev Board, WRL-13711

$15.95
  • All module pins broken out
  • On-board FTDI USB-to-Serial
  • 802.11 b/g/n
  • Wi-Fi Direct (P2P), soft-AP
  • Integrated TCP/IP protocol stack
  • Integrated TR switch, balun, LNA, power amplifier and matching network
  • Integrated PLLs, regulators, DCXO and power management units
  • Integrated low power 32-bit CPU could be used as application processor
  • +19.5dBm output power in 802.11b mode

SPARKFUN WiFi Shield - ESP8266, WRL-13287

$14.95
  • Arduino R3 Layout
  • 802.11 b/g/n
  • Wi-Fi Direct (P2P), soft-AP
  • Integrated TCP/IP protocol stack
  • Integrated TR switch, balun, LNA, power amplifier and matching network
  • Integrated PLLs, regulators, DCXO and power management units
  • Integrated low power 32-bit CPU could be used as application processor
  • +19.5dBm output power in 802.11b mode

SPARKFUN XBee Shield, WRL-12847

$14.95
  • Mounts directly onto your Arduino
  • DIN and DOUT pins of XBee can be connected to either the UART pins or any digital pin on the Arduino (D2 and D3 default)
  • 3.3V power regulation and MOSFET level shifting on-board
  • 9x11 grid of 0.1" spaced prototyping holes
  • Reset button brought out to shield
  • Power, DIN, DOUT, RSSI and DIO5 indicator LEDs

SPARKFUN VRF Link Transmitter - 315MHz, WRL-10535

$3.95
  • 315MHz
  • 500ft range (given perfect conditions)
  • 4800bps data rate
  • 5V supply voltage

SPARKFUN RF Link Transmitter - 434MHz, WRL-10534

$3.95
  • 434 MHz
  • 500ft range (given perfect conditions)
  • 4800bps data rate
  • 5V supply voltage

SPARKFUN RF Link Receiver - 4800bps (315MHz), WRL-10533

$4.95
  • 315 MHz
  • 500ft range (given perfect conditions)
  • 4800bps data rate
  • 5V supply voltage

SPARKFUN RF Link Receiver - 4800bps (434MHz), WRL-10532

$4.95
  • 434 MHz
  • 500ft range (given perfect conditions)
  • 4800bps data rate
  • 5V supply voltage

SPARKFUN XBee 2mW Wire Antenna - Series 2, WRL-10414

$22.95
  • (ZigBee Mesh)
  • 3.3V @ 40mA
  • 250kbps Max data rate
  • 2mW output (+3dBm)
  • 400ft (120m) range
  • Built-in antenna
  • Fully FCC certified
  • 6 10-bit ADC input pins
  • 8 digital IO pins
  • 128-bit encryption
  • Local or over-air configuration
  • AT or API command set

SPARKFUN 2mm 10pin XBee Socket, PRT-08272

$1.00
  • 10-pin socket with 2mm pitch that mates XBee radio
  • Sold singly, not in pairs

SPARKFUN IR Control Kit, KIT-13235

$9.95

Includes:

  • Infrared Remote Control
  • CR2025 Coin Cell Battery
  • 2x IR Receivers
  • 2x IR LEDs
  • 25x 330 ohm resistors

SPARKFUN RFID Starter Kit, KIT-13198

$49.95

Includes:

  • 1x RFID USB Reader
  • 1x ID-12LA RFID Module
  • 2x RFID Card - 125kHz
New VELLEMAN RFID Read/Write Module

VELLEMAN RFID Read/Write Module, VMA405

$10.75
  • Operating Voltage: 3.3 VDC
  • working current: 13 to 26 mA
  • sleep current: < 80 uA
  • peak current: < 30 mA
  • working frequency: 13.56 MHz
  • Supported card types: Mifare cards
  • Interface / protocol: SPI
  • Controller chip: MFRC522
  • Data transmission speed: Max. 10 Mbit / s
  • dimensions: 66 x 40 x 7 mm
  • includes: 2 tags (1 card , 1 fob)