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936-ADA Panel Mount USB Cable - B Female to Mini-B Male
936-ADA Panel Mount USB Cable - B Female to Mini-B Male
US$6.92
This handy USB extension cable will make it easy for you to enclose a device that has a mini-B USB type port. We think this would be most handy when putting a Teensy, FTDI friend, USB LiPo charger, USB Boarduino, etc into a box! 
Delivery within 2-3 weeks
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260-ADA USB cable - A/MiniB - 3ft
260-ADA USB cable - A/MiniB - 3ft
US$4.98

This here is your standard A-miniB USB cable, for USB 1.1 or 2.0. Perfect for connecting a PC to your Teensy, USB Lipo charger (among other things). Approximately 3 feet / 1 meter long. 

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241 USB game pad with accelerometer project pack
241 USB game pad with accelerometer project pack
US$78.75

Build a custom USB gamepad that has an accelerometer mouse inside! This project pack comes with: SNES controller, Teensy, Accelerometer, 5' mini-B USB cable, 8" of ribbon cable, 2 squares of foam tape. 

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3231-ADA Adafruit LoRa Radio FeatherWing - RFM95W 900 MHz
US$34.92
This is the LoRa 9x @ 900 MHz radio version, which can be used for either 868MHz or 915MHz transmission/reception - the exact radio frequency is determined when you load the software since it can be tuned around dynamically. These are +20dBm LoRa packet radios that have a special radio modulation that is not compatible with the RFM69s but can go much much farther. They can easily go 2 Km line of sight using simple wire antennas, or up to 20Km with directional antennas and settings tweakings.
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176 Sensor pack 900
176 Sensor pack 900
US$61.25

This is an assortment of the most common sensors used in electronics. 9 sensors and 3 additional components to interface with the 'analog world'.

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1733-ADA Anemometer Wind Speed Sensor w/Analog Voltage Output
1733-ADA Anemometer Wind Speed Sensor w/Analog Voltage Output
US$78.67
This well made anemometer is designed to sit outside and measure wind speed with ease. To use, connect the black wire to power and signal ground, the brown wire to 7-24VDC (we used 9V with success) and measure the analog voltage on the blue wire. The voltage will range from 0.4V (0 m/s wind) up to 2.0V (for 32.4m/s wind speed).
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3328-ADA Adafruit PT100 RTD Temperature Sensor Amplifier - MAX31865
US$21.79
For precision temperature sensing, nothing beats a Platinum RTD. Resistance temperature detectors (RTDs) are temperature sensors that contain a resistor that changes resistance value as its temperature changes, basically a kind of thermistor. In this sensor, the resistor is actually a small strip of Platinum with a resistance of 100 ohms at 0°C, thus the name PT100. Compared to most NTC/PTC thermistors, the PT type of RTD is much most stable and precise (but also more expensive) PT100's have been used for many years to measure temperature in laboratory and industrial processes, and have developed a reputation for accuracy (better than thermocouples), repeatability, and stability.
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381-ADA Waterproof DS18B20 Digital temperature sensor + extras
381-ADA Waterproof DS18B20 Digital temperature sensor + extras
US$17.42
This is a pre-wired and waterproofed version of the DS18B20 sensor. Handy for when you need to measure something far away, or in wet conditions. While the sensor is good up to 125°C the cable is jacketed in PVC so we suggest keeping it under 100°C.
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562 Panel Mount 10K potentiometer (Breadboard Friendly) - 10K Linear
562-ADA Panel Mount 10K potentiometer (Breadboard Friendly) - 10K Linear
US$1.67
This potentiometer is a two-in-one, good in a breadboard or with a panel. Its a fairly standard linear taper 10K ohm potentiometer, with a grippy shaft. Its smooth and easy to turn, but not so loose that it will shift on its own.
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1778-ADA Analog Output K-Type Thermocouple Amplifier - AD8495 Breakout
1778-ADA Analog Output K-Type Thermocouple Amplifier - AD8495 Breakout
US$18.49
This is a very simple sensor to use, and if your microcontroller has analog input capability, you'll be ready to go really fast!
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2652-ADA Adafruit BME280 I2C or SPI Temperature Humidity Pressure Sensor
US$25.82
This precision sensor from Bosch is the best low-cost sensing solution for measuring humidity with ±3% accuracy, barometric pressure with ±1 hPa absolute accuraccy, and temperature with ±1.0°C accuracy. Because pressure changes with altitude, and the pressure measurements are so good, you can also use it as an altimeter with  ±1 meter or better accuracy!
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789-ADA Adafruit PN532 NFC/RFID Controller Shield for Arduino + Extras
789-ADA Adafruit PN532 NFC/RFID Controller Shield for Arduino + Extras
US$61.52
We've taken our popular Adafruit PN532 breakout board and turned it into a shield - the perfect tool for any 13.56MHz RFID or NFC application. The Adafruit NFC shield uses the PN532 chip-set (the most popular NFC chip on the market) and is what is embedded in pretty much every phone or device that does NFC. This chipset is very powerful, and can pretty much do it all, such as read and write to tags and cards, communicate with phones (say for payment processing), and 'act' like a NFC tag. While the controller has many capabilities, our Arduino library currently only supports reading/writing tags, and does not support phone-to-shield communication, tag emulation (which requires an external 'secure element' only available from NXP) or other more advanced features at this time.
Delivery within 2-3 weeks
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1438-ADA Adafruit Motor/Stepper/Servo Shield for Arduino v2 Kit - v2.3
1438-ADA Adafruit Motor/Stepper/Servo Shield for Arduino v2 Kit - v2.3
US$34.92
Instead of a L293D darlington driver, we now have the TB6612 MOSFET drivers with 1.2A per channel current capability (you can draw up to 3A peak for approx 20ms at a time). It also has much lower voltage drops across the motor so you get more torque out of your batteries, and there are built-in flyback diodes as well. Instead of using a latch and the Arduino's PWM pins, we have a fully-dedicated PWM driver chip onboard. This chip handles all the motor and speed controls over I2C. Only two data pins (SDA & SCL in addition to the power pins GND & 5V) are required to drive the multiple motors, and since it's I2C you can also connect any other I2C devices or shields to the same pins. This also makes it drop-in compatible with any Arduino, such as the Uno, Due, Leonardo and Mega R3.
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269 Thermocouple Amplifier (MAX6675) breakout board - v1.0
269 Thermocouple Amplifier MAX31855 breakout board (MAX6675 upgrade) - v2.0
US$21.67

The MAX31855K does everything for you, and can be easily interfaced with any microcontroller, even one without an analog input. This breakout board has the chip itself, a 3.3V regulator with 10uF bypass capacitors and level shifting circuitry, all assembled and tested.

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1919-ADA Female-Female 2.54 to 2.0mm Jumper Wires x 40
1919-ADA Female-Female 2.54 to 2.0mm Jumper Wires x 40
US$12.17
Instead of going from 0.1"/2.54mm pitch headers to breadboard or something like that, these are 2.54mm to 2.0mm!
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2011-ADA Lithium Ion Battery - 3.7v 2000mAh
US$21.88
Lithium ion polymer batteries are thin, light and powerful. The output ranges from 4.2V when completely charged to 3.7V. This battery has a capacity of 2000mAh. If you need a larger (or smaller!) battery, we have a full range of LiPoly batteries.
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