Development Boards

US$8.67
This breakout is best used for projects such as voice changers, audio recording/sampling, and audio-reactive projects that use FFT. To keep the breakout small and simple, we only added a 3V voltage regulator (the microphone requires 3.3V DC) and filter capacitors.
Delivery within 2-3 weeks
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US$12.17
Finally, a way to get up to 8 same-address I2C devices hooked up to one microcontroller - this multiplexer acts as a gatekeeper, shuttling the commands to the selected set of I2C pins with your command.
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US$1.53
Give your projects usb support, great for supply 5v for your breadboard projects or interfacing with your microcontroller. It has the typical five pins assessable for your needs.
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US$27.93
The in-depth manual explains about through hole soldering, a glance at FTDI and serial communication how the Arduino plugs into the pc and is automatically detected and the basic explanations on circuit analysis for the Arduino Uno microcontroller. Using this knowledge it can be applied to any Arduino microcontrollers and give a basic understanding of microcontrollers.
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US$10.93
Scratching your heading, searching through the pile of tangled cables, found the 5v logic cable but you need the 3.3v cable? Eliminate this scenario all together with this FTDI to Serial Adapter chip. Contains 6 pins and a mini USB B to USB A connector to interface with your Arduino Pro Mini, Raspberry pi and plethora of sensors.
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US$9.45
Looking for a low power wireless component to add onto your projects? This lightweight (L)2.4cm x (W)1.6cm x (H)0.1cm has not one but 10 GPIOs, requires an FTDI Cable to program. Use this device as slave and communicate from your mobile device to activate relays, read values or any other ideas you may have from ~10 meters.
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US$10.71

This black case for the Raspberry Pi2 provides slots to access the peripheral header, USB ports, Ethernet, SD card, HMDI, composite video, audio, CSI and JTAG connectors as well as feet and vents to ensure the board gets proper cooling and plus-shaped wall mounting slots.

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US$31.80
This is an Arduino compatible R3 Mega2560 ATmega2560-16AU control board. Comes with USB cable.
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US$36.03
This is an evaluation board for the Silicon Laboratories Si4703 FM tuner chip. Beyond enabling you to tune in to FM radio stations, the Si4703 is also capable of detecting and processing both Radio Data Service (RDS) and Radio Broadcast Data Service (RBDS) information. The Si4703 even does a very good job of filtering and carrier detection.
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US$10.32
The 3.3V Arduino Pro Mini Micro controller is based on the ATmega328P-AU chip set and runs at 8 Mhz. It comes with two 12 pin headers and one 6 pin
angled connector for header based connections, some soldering is required.
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US$17.06
The 5V Arduino Pro Mini Micro controller is based on the ATmega328P chipset and runs at 16 MHz. It comes with two 12 pin headers and one 6 pin
angled connector for header based connections, some soldering is required.
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US$13.93
The Pro Micro - 5V/16MHz- is similar to the Pro Mini except with an ATmega32U4 on board.
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US$124.42
This add-on board enables a Raspberry Pi B+, A+, or Pi 2 to drive a pair of brushed DC motors. Its dual MC33926 motor drivers operate from 5 V to 28 V and can deliver a continuous 3 A (5 A peak) per motor.
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US$6.96
The ESP8266 WiFi Module is a self contained SOC with integrated TCP/IP protocol stack that can give any microcontroller access to your WiFi network. The ESP8266 is capable of either hosting an application or offloading all Wi-Fi networking functions from another application processor.
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US$46.13
The SparkFun Photon Weather Shield is an easy to use add-on board that grants you access to barometric pressure, relative humidity, and temperature. There are also connections on this shield to optional sensors such as wind speed, direction, rain gauge and soil readings!
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