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MCP23017 16-Bit I/O Expander via I2C Interface With the IC MCP23017 Microchip is Arduino is very easy to expand to 16 I / O channels via the I2C interface. This IC has three address pins which allows up to eight ICs can be connected to a bus line. Thus Arduino can be expanded by a total of up to 128 I / O channels.

Raspberry Pi Location Tracker

Standort-Tracker,Himbeere,Himbeeren,Pi Location,Rpi Arduino Nodemcu,Pi Time,Rasberry Pi,Sensing,Sensors

Bluefruit LE Sniffer - Bluetooth Low Energy (BLE 4.0) - nRF51822 - v1.0

Bluefruit LE Sniffer - Bluetooth Low Energy (BLE 4.0) - nRF51822 - v1.0 - Interested in learning how Bluetooth Low Energy works down to the packet level? Debugging your own BLE hardware, and trying to spot where something is going wrong? Or maybe you're writing a custom application for your phone or tablet that needs to talk to existing BLE hardware, but you don't know how it works beneath the surface? We have the perfect tool for you!

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2.4GHz Duck Antenna RP-SMA - 2.4GHz Duck Antenna 2.2dBi with Reverse Polarized - SMA RF connector. Perfect for prototyping with our RF ICs. 50 ohm impedance. 4" long.

Bluefruit LE Friend - Bluetooth Low Energy (BLE 4.0) - nRF51822 - v2.0

Bluefruit LE Friend - Bluetooth Low Energy (BLE 4.0) - nRF51822 - v2.0 - The Bluefruit LE Friend is your new BLE BFF! This USB-to-BLE board makes it easy to get your computer talking to your BLE enabled phone or tablet using a standard serial/UART connection.

Bluetooth SMD Module - RN-42 (v6.15)

Bluetooth SMD Module - RN-42 (v6.15) - This is the RN-42 module from Roving Networks, a powerful, small, and very easy to use. This Bluetooth module is designed to replace serial cables.

Adafruit RFM69HCW Transceiver Radio Breakout - 868 or 915 MHz

Adafruit RFM69HCW Transceiver Radio Breakout - Sending data over long distances is like magic, and now you can be a magician with this range of powerful and easy-to-use radio modules.

Adafruit Ethernet FeatherWing

Bluefruit LE - Bluetooth Low Energy (BLE 4.0) Breakout

Bluefruit LE - Bluetooth Low Energy (BLE 4.0) Breakout - The Adafruit Bluefruit LE Breakout allows you to establish an easy to use wireless link between your Arduino and any compatible iOS or Android (4.3+) device.