Adafruit

US$3.93
This is a simple plastic casing with two elements - an IR LED and an IR phototransistor.
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US$9.53
This tiny 5050 (5mm x 5mm) SMD LED is fairly easy to solder and is the most compact way possible to integrate multiple bright LEDs to a design.
Delivery within 2-3 weeks
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US$8.67
Design your own Pi HAT, attach custom circuitry and otherwise dress your Pi A+ or B+ with this jaunty prototyping HAT kit.
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US$1.74
This is the matching connector for our 40-pin GPIO Cable (1988-ADA). By soldering this onto perf board you can run a GPIO cable from your Pi A+ or B+ to the socket.
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US$6.92
This cable will let you swap out the stock 150mm long flex cable from a Raspberry Pi Camera (either 'classic' or 'NoIR' type) for a different size.
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US$10.42
This cable will let you swap out the stock 150mm long flex cable from a Raspberry Pi Camera (either 'classic' or 'NoIR' type) for a different size.
Delivery within 2-3 weeks
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US$1.90
That's one tiny microphone! At about the size of a mature aphid, this wired Electret Microphone is perfect for your FONA. Diameter: 4.4mm. Wire Length: 67mm. Weight: .17g.
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US$2.02
Silicone-sheathing wire is super-flexible and soft, and its also strong! Able to handle up to 200°C and up to 600V, it will do when PVC covered wire wimps out.
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US$10.42
These are handy for projects using individual LEDs as they look sleek, and your LED won't budge.
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US$2.02
This is great in conjunction with any of our 10-pin IDC cables. It comes in two parts, a 'pin-through' socket and a male header. The socket straddles the center of a breadboard or Perma-Proto and then header plugs into the top of the socket.
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US$2.53
This is great in conjunction with any 16-pin IDC cables. It comes in two parts, a 'pin-through' socket and a male header. The socket straddles the center of a breadboard or Perma-Proto and then header plugs into the top of the socket.
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US$3.93
This is great in conjunction with any 32-pin IDC cables.  It comes in two parts, a 'pin-through' socket and a male header. The socket straddles the center of a breadboard or Perma-Proto and then header plugs into the top of the socket.
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US$22.95
This chip from FTDI is similar to their USB to serial converter chips but adds a 'multi-protocol synchronous serial engine' which allows it to speak many common protocols like SPI, I2C, serial UART, JTAG, and more!
Delivery within 2-3 weeks
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US$4.38
Connect your own PCB to a Raspberry Pi B+ and stack on top with this normal-height female header with extra long pins.
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US$2.63
Connect your own PCB to a Raspberry Pi B+ with this normal-height female header.
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