There are many different protocols and voltages for electronic communications. To get one device to talk to another you can use an adaptor/converter to change the voltage level or to translate between the different protocols like I2C, USB, RS285 and TTL Serial.
Computers tend to have only USB connections these days but small electronics typically use other light weight protocols so most of our adaptors connect from USB to one of I2C, TTL serial, RS485.
Code: SKU-000489
The FTDI cable is a USB to Serial (TTL level) converter which allows for a simple way to connect TTL interface devices to USB. The I/O pins of this FTDI cable are configured to operate at 5V.The FTDI cable is designed around an FT232RQ which is housed in a USB A connector. More Details...
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Code: SKU-005225
For the times when all you need is a basic SD card this is the card for you. 1GB capacity is plenty to store MP3s or log environmental data and still dwarfs older memory systems like magnetic core memory. More Details...
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Code: SKU-002344
This deluxe serial port adaptor (RS-232 adaptor) to convert logic-level signals to the higher voltages required for RS-232 and similar serial ports. More Details...
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Code: SKU-002345
This item is the partial kit version of the 23201a serial adaptor. All surface-mount components are assembled; the 0.1″ breakaway male header strip and DB9 connector are included but not soldered. More Details...
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Code: COM-40004
This device is a programmer for AVR-based controllers, such as our Orangutan robot controllers and the 3pi robot. The programmer emulates an STK500 on a virtual serial port, making it compatible with standard AVR programming software. More Details...
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Code: COM-40021
The Pololu USB-to-serial adaptor is a tiny unit that makes it easy to connect a microcontroller project to a PC. You can connect the adaptor directly to a microcontroller without an RS-232-to-TTL level converter. More Details...
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Code: COM-40015
This is a breakout board for the very handy 16-Channel Analogue/Digital Multiplexer/Demultiplexer CD74HC4067. This chip is like a rotary switch - it internally routes the common pin (COM in the schematic SIG on the board) to one of 16 channel pins (CHANxx). More Details...
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Code: SKU-002218
This is SparkFun Beefy 3 FTDI Basic Breakout for the FTDI FT231X USB to serial IC. The pinout of this board matches the FTDI cable to work with official Arduino and cloned 3.3V Arduino boards. It can also be used for general serial applications. More Details...
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Code: SKU-004853
The SparkFun Single Supply Logic Level Converter is logic level and power supply translator in one small package. More Details...
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Code: MCU-60243
The MicroView is the first chip-sized Arduino compatible module that lets you see what your Arduino is thinking using a built-in OLED display. More Details...
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