Adaptors and Converters

Adaptors and Converters

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.

Clear

16 Channel Digital & Analog Multiplexer-Demultiplexer

Code: COM-40015

Need more IO? This analog and digital multiplexer-demultiplexer breakout board provides 16 IO channels using just 5 pins on a microcontroller. Digital signals like I2C, Serial are supported as well as analog IO. Operates over 2-6V.

$ 9.95

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Devantech USB to RS485B adaptor / communications module

Code: COM-040033

The USB-RS485-B module from Robot-Electronics (Devantech) allows for RS485 communication from a PC/Mac/Linux using a USB connection. It can be used to communicate with other hardware over RS485 protocol and can be used to generate DMX streams.

$ 36.95

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Logic Level Shifter, 4-Channel, Bidirectional

Code: SKU-003305

This tiny logic level shifter features four bi-directional channels, allowing for safe and easy communication between devices operating at different logic levels.

$ 4.75

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microSD Card - 1GB (Class 4)

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 .

$ 11.95

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SparkFun FTDI Basic Breakout - 3.3V

Code: SKU-000517

This is the newest revision of our FTDI Basic . We now use a SMD 6-pin header on the bottom, which makes it smaller and more compact. Functionality has remained the same. This is a basic breakout board for the FTDI FT232RL USB to serial IC.

$ 26.95

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SparkFun Logic Level Converter - Bi-Directional (3.3V - 5V)

Code: COM-40018

Easily connect 3.3V devices to a 5V system or vice versa with this little logic level converter from SparkFun. Supports I2C, SPI, TTL Serial and other digital signals. Not compatible with analog signals.

$ 4.60

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SparkFun Qwiic 12 Bit ADC - 4 Channel (ADS1015)

Code: SKU-005534

A lot of the time you just need to add more analogue inputs to solve a problem. It happens. The SparkFun Qwiic 12 Bit ADC can provide four channels of I 2 C controlled ADC input to your Qwiic enabled project. These channels can be used as single-ended inputs, or in pairs for differential inputs.

$ 20.95

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SparkFun Serial Basic Breakout - CH340G

Code: SKU-003923

The SparkFun Serial Basic Breakout is an easy-to-use USB-to-Serial adaptor based on the CH340G IC from WCH. It works with 5V and 3.3V systems and should auto install on most operating systems without the need for additional drivers.

$ 14.95

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USB to RS232 Converter and cable

Code: COM-40024

What do you do if you've got a laptop and need RS232 serial? This is a high quality, low cost, small, and easy to use USB to RS232 converter with a cable. Driver support for Windows, Mac, and Linux RedHat.

$ 30.95

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FTDI Cable 5V VCC-3.3V I/O

Code: SKU-000488

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 VCC pins of this FTDI cable are configured to operate at 5V with 3.3V I/O. The FTDI cable is designed around an FT232RQ, which is housed in a USB A connector.

$ 26.95

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