I2C
IC serial bus protocol speed grades; standard mode: 0.1 / 0.4, fast mode: 1.0 / 3.4 / 5.0 Mbit/s are maximum ratings. Also known as: Inter-Integrated Circuit
See Also: Serial, Serial Communications, LIN, Can bus, ExpressCard, Fieldbus, FireWire, RS-232, RS-485, PCI Express, Serial ATA, Serial Peripheral Interface, SMBus
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Product
Electrical Interface
QSFP-DD 200G
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Eoptolink Technology Inc., Ltd.
QSFP-DD 200G Eoptolink’s EOLD-162HG-E-10-1 QSFP-DD CWDM4, 8x25G Optical transceiver module are designed for use in 200 Gigabit links over 10km singlemode fiber. They are compliant with the QSFP-DD MSA. Digital diagnostics functions are available via the I2C interface, as specified by the QSFP-DD MSA.
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Product
Lightning Sensor Breakout
SEN-39001
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Breakout board for the AS3935 digital lightning sensor based on the AMS reference design. Includes specially tuned antenna, SPI or I2C interfacing, and a wide 2.4V to 5.5V standard operating range. This innovative sensor is designed to interface with most current development systems and boards, including all current Arduino modules. The breakout board features an inductor (antenna) specially designed for this application, and the board ships fully calibrated. This ensures that you don't have to write a massive back-end to support low-level IC calibration, just focus on your final application!
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Product
SparkFun Micro OLED Breakout
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The SparkFun Micro OLED Breakout Board breaks out a small monochrome, blue-on-black OLED. It’s "micro", but it still packs a punch – the OLED display is crisp, and you can fit a deceivingly large amount of graphics on there. This breakout is perfect for adding graphics to your next Arduino project, displaying diagnostic information without resorting to serial output, and teaching a little game theory while creating a fun, Arduino-based video game. Most important of all, though, is the Micro OLED is easy to control over either an SPI or I2C interface.
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Product
SparkFun Humidity And Temperature Sensor Breakout
Si7021
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The Si7021 is a low-cost, easy-to-use, highly accurate, digital humidity and temperature sensor. This sensor is ideal for environmental sensing and data logging and perfect for build a weather stations or humidor control system. All you need are two lines for I2C communication, and you’ll have relative humidity readings and very accurate temperature readings as a bonus!
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Product
SparkFun Triple Axis Magnetometer Breakout
MLX90393 (Qwiic)
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It's time to start utilizing the superior magnetometer, and what better way than to throw it onto an easy-to-use breakout board? The SparkFun MLX90393 Magnetometer Breakout is a triple-axis magnetic sensor board capable of sensing very small fields, while still behaving as one would expect during saturation in larger fields (like a nearby magnet). The MLX90393 breakout can be used as a compass sensor but also works well as a non-contact controller, a flow meter with a magnetic impeller, or a linear actuator position sensor. To make it even easier to to get your readings, all communication is enacted exclusively via I2C, utilizing our handy Qwiic system. However, we still have broken out 0.1"-spaced pins in case you prefer to use a breadboard.
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Product
ARM 9 System on Module
MS 1515
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- Processor: LPC3250 processor with ARM 9 core running at 266 MHz SDRAM- Memory: DDR2 256 MB (scalable to 512 MB)- Flash Memory: NAND flash 512 MB- Display & Graphics: Programmable color LCD controller supports up to a TFT interface- Touch screen: Integrated touch screen controller- Network Support: 10/100 Base-T Ethernet PHY- PC Interface: One USB 2.0 high-speed On-the-Go interface- Serial Interfaces: Up to four external UARTs- + CAN 2.0B controller- + Three I2C ports- + Three SPI ports- GPIO: Programmable I/O depending on peripheral requirements- Mechanical: 60 mm wide x 60 mm long x 5.4 mm high
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Product
Training Board
JT 2156
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The JT 2156 training board has been devised to demonstrate all the latest features and test techniques available to users of JTAG Technologies’ ProVision & JTAG Live application development systems. As well as a modern ARM Core processor, the design also includes an Altera Cyclone FPGA, DDR Memory, Ethernet PHY, and several SPI and I2C peripheral parts. The JT2156 is shipped with a comprehensive self-study manual for getting to know the in-depth features of ProVision and/or JTAGLive Studio. For Altium users the design also serves as an example of how to adapt the Nano board into a realistic custom design.
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Product
Sensirion SHT31-DIS-B Humidity and Temperature Sensor Breakout Board
SEN-37002-F
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Breakout board for the Sensirion SHT31-DIS-F with a built-in permeable membrane filter. This sensor is an extremely accurate digital (I2C interface) temperature and humidity sensing device, with +/-0.2C temperature and +/-2% humidity accuracy typical. These specs far exceed the accuracy of ICs that came before it, including the HTU2x and SHT1x series, and improves upon the success of the SHT2x that came before it. In addition, the SHT31-DIS-B has a wide input voltage range of 2.4V-5.5V and includes temperature isolation and airflow cutouts as recommended for the optimal operation. Finally, in the case of environmental changes that could cause light condensation, the SHT31-DIS-B has a built-in heater to burn off any condensate.
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Product
Unipolar D/A Converters
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Analog Devices offers the broadest portfolio of low voltage single-supply d/a converters in the industry, which includes many leading products in performance and package size. A wide variety of applications use ADI precision nanoDAC® products because of their small footprint and robust range of features, including 8- to 16-bit resolution, low power, a fast 50 MHz SPI or 3.4 MHz I2C interface, and more, in a tiny package option. ADI’s nanoDAC+® products offer enhanced features such as higher accuracy, improved dc performance, increased robustness, and lower glitch energy, among other advantages.
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Product
SparkFun Breakout
HMC6343
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The HMC6343 is a fully integrated high end electronic compass module that can compute and give you a heading direction that’s accurate within a couple degrees. It is tilt compensated and is calibrated to handle magnetic distortions. This breakout board allows for easy use of the HMC6343. All that is required is power and I2C connections to a microcontroller so that the module can receive commands and send data back to the user.
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Product
SparkFun GPS Breakout
Chip Antenna, SAM-M8Q (Qwiic)
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The SparkFun SAM-M8Q GPS Breakout is a high quality GPS board with equally impressive configuration options. The SAM-M8Q is a 72-channel GNSS receiver, meaning it can receive signals from the GPS, GLONASS, and Galileo constellations. This increases precision and decreases lock time and thanks to the onboard rechargable battery, you'll have backup power enabling the GPS to get a hot lock within seconds! Additionally, this u-blox receiver supports I2C (u-blox calls this Display Data Channel) which made it perfect for the Qwiic compatibility so we don't have to use up our precious UART ports. Utilizing our handy Qwiic system, no soldering is required to connect it to the rest of your system. However, we still have broken out 0.1"-spaced pins in case you prefer to use a breadboard.
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Product
Bus Analyzer, Exerciser, Emulator, and Programmer
CAS-1000-I2C/E
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While the I²C interface seems simple on the surface, this straightforward architecture is not immune to intermittent glitches, device misbehaviors, and protocol violations. Likewise, tracking down these errors can be tedious business if the right tool is not utilized.The CAS-1000-I2C/E bus analyzer is an exceptional tool for pinpointing I2c irregularities. The ability to spot complex problems and identify invisible obstacles make it the preferred I²C development solution. Advanced logging, debugging, emulation, and verification capabilities offer power and versatility, yet the Windows-based user interface makes the most complex features simple to use.The CAS-1000-I2C/E succeeds where simple monitoring and interactive I/O tools fall short—a complete solution to monitoring, emulating, stressing, and characterizing I²C and SMBus interfaces.
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Product
Infrared Array Sensor
Grid-EYE Evaluation Kit
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Panasonic Automotive & Industrial Systems Europe GmbH
Panasonic Automotive & Industrial Systems has launched this evaluation kit for its Grid-Eye infrared array sensor, which integrates a ”nanopower” Bluetooth Smart module and a microcontroller. The kit is intended for prototyping the Grid-EYE sensor which is a 64 pixel IR camera in a surface mount package measuring 11.6mm x 8mm x 4.3mm, which integrates the MEMS sensor, lens and I2C interface. The integrated Bluetooth module in the evaluation kit, the PAN1740, draws 4.9mA in transmit or receive operating modes, which means it can be powered by coin cell batteries. The IR sensor has 64 thermopile elements in an 8×8 grid format that detect absolute surface temperature without any contact.
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Product
1Gsps, 9 Channel, Logic Analyzer with Protocol Analyzer plugins and Hardware Compression
DigiView™ DV509
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- Physical Channels: 9- Sample rate: 4ch@1 Gsps or 9ch@500Msps (4 ch. are sampled every 1ns or 9 ch. are sampled every 2ns)- Typical capture: 100M transitions (> 1B samples)- Hardware based triggers with 8 universal match circuits, and partitionable 16 stage sequencer- Adjustable Threshold (± 4V)- Real-time, Hardware-based, Adaptive Compression- Channels protected to ± 20V- Ground leads protected to ± 12V- High-quality test leads: 66 strand soft copper wires, flexible insulation, and gold plated connectors. Fit .025 square posts as well as the included clips.- Extra ESD protection- Streaming storage with auto fall-back to Store & Forward mode ensures large storage and reliability.- USB 3.0 (SS) or USB 2.0 (High Speed)- USB powered- Each DigiVIew includes all avialable Protocol Analyzer plugins (including: I2C, SPI, CAN, Async, Sync, 1-wire, I2S, TDM)- Free Plugin Developers' Kit- Requires Windows 7 or greater OS (32bit or 64bit)- Free Lifetime sofware updates.- 1 year warranty
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Product
Micsig Smart Oscilloscope
STO1000C/E
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Shenzhen Micsig Instruments Co., Ltd.
*Up to 70Mpts memory depth, Zoom into a selected part of the captured waveforms to get more details. *Support serial triggering and decode (I2C, SPI, RS232/UART,CAN, LIN) and Aerospace and defence (MIL-STD 1553, ARINC 429). Two formats to display decoding, text and graphic.
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Product
SparkFun I2C DAC Breakout
MCP4725
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You've always wanted to output analog voltages from a microcontroller, the MCP4725 is the DAC that will let you do it! The MCP4725 is an I2C controlled Digital-to-Analog converter (DAC). A DAC allows you to send analog signal, such as a sine wave, from a digital source, such as the I2C interface on the Arduino microcontroller. Digital to analog converters are great for sound generation, musical instruments, and many other creative projects!
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Product
TTL/I2C/SPI Expansion Kit
OP-SB85L
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OP-SB85L is the interface expansion kit that has a port to measure TTL / CMOS signal level communications, and the one to measure the voltage of high-speed analog input. The port for TTL / CMOS supports the measurement of TTL / CMOS level communications that power supply system is from 1.8V to 5V. It is suitable for monitoring the communication between the LSI and the interface IC on the printed circuit board by directly probing into the lines. It supports the protocol of not only UART and HDLC but also I2C and SPI on monitoring and simulating.
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Product
Smart Card Reader
UTC-300P-S
Card Reader
Dual color LED indicator. Memory Card: Synchronous 2-line, 3-line and I2C interface. CPU Card: Comply with ISO7816-1,2,3,T=1 and T=0 protocol. USB connection to UTC.
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Product
Evaluation Kit
ROM-DK2620
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*NXP Arm® Cortex®-A35 i.MX 8ULP Dual up to 1.0 GHz*1 x Arm Cortex-M33 core*Onboard LPDDR4 1GB, 2000MT/s memory*1 x 4 lane MIPI-DSI*1 x USB2.0, 1 x USB 2.0 OTG, 5 x UART, 2 x I2C, 24 x GPIO, 6 x PWM, 1 x CAN*Support Ycoto Linux
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Product
Pico-ITX SBC With Intel® Atom® X5-E3940 Processor, DisplayPort, LVDS, 2 GbE LAN And Audio
PICO319
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The PICO319 is powered by the onboard Intel® Atom® x5-E3940 quad-core processor. The noise-free pico-ITX motherboard offers combinations of ruggedness, high computing capabilities and enhanced graphics capability in an extremely compact size of only 100 x 72 mm. Moreover, the board features 12V DC power supply input with AT Auto Power On function. A dual-display capability is available through DisplayPort and 18/24-bit single/dual channel LVDS ports. For extensive storage needs, this compact embedded motherboard has one M.2 Key B slot (22 x 42 mm or 30 x 42 mm) for SATA or PCIe x2 SSD card and one half-size PCI Express Mini Card slot in support of mSATA. The Intel® Atom®-based pico-ITX board comes with rich I/O connectors, including two USB 2.0 ports, two USB 3.0 (USB 3.1 Gen1) ports, one RS-232/422/485 port, one RS-232 port, one HD Codec audio, and 4-channel digital I/O. It also supports SMBus that is compatible with I2C for smart battery support. The PICO319 offers watchdog timer and hardware monitoring function for reliable operation.
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Product
Small outline PCB with 72 Pin Socket
1091-001
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Our small format embedded switching (SIM relay) cards offer a choice of switching configurations using low cost industry standard SIM connectors. They free the designer from the detail of routing complex switching circuits, you may select from a wide range of cards using the built in RS-232 and I2C interfaces. These low-cost embedded switching cards are intended to be mounted on to a simple motherboard. They may be used to construct very high density switching networks. SIM based switching cards also allow for very simple in-field maintenance.
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Product
SparkFun Spectral Sensor Breakout
AS7263 NIR (Qwiic)
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The SparkFun AS7263 Near Infrared (NIR) Spectral Sensor Breakout brings spectroscopy to the palm of your hand, making it easier than ever to measure and characterize how different materials absorb and reflect different wavelengths of light. The AS7263 Breakout is unique in its ability to communicate by both an I2C interface and serial interface using AT commands. Hookup is easy, thanks to the Qwiic connectors attached to the board --- simply plug one end of the Qwiic cable into the breakout and the other into one of the Qwiic shields, then stack the board on a development board. You’ll be ready to upload a sketch to start taking spectroscopy measurements in no time.
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Product
Breakout - General Purpose USB to GPIO+SPI+I2C
FT232H
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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! There''s even a handful of digital GPIO pins that you can read and write to do things like flash LEDs, read switches or buttons, and more. The FT232H breakout is like adding a little swiss army knife for serial protocols to your computer!
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Product
Grid-EYE High Performance Type
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Panasonic Industrial Devices Sales Company of America
Panasonic's Grid-EYE® Series High-Performance Type is an 8x8 (64) pixel Infrared Array Sensor. This Sensor offers digital output (I2C) for thermal presence, direction, and temperature values. The built-in lens includes a 60-degree viewing angle. The Grid-EYE Sensor features compact SMD design using MEMS thermopile technology. This Sensor offers several advancements over the original Grid-EYE, including higher accuracy, enhanced resolution, and longer detection distance for true next-generation performance.
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Product
SIMRC - 8 x 4 Matrix 1-Pole Screened Relay
1030-R-8-4-1RF-5/1D
Matrix Switch Module
Our small format embedded switching (SIM relay) cards offer a choice of switching configurations using low cost industry standard SIM connectors. They free the designer from the detail of routing complex switching circuits, you may select from a wide range of cards using the built in RS-232 and I2C interfaces. These low-cost embedded switching cards are intended to be mounted on to a simple motherboard. They may be used to construct very high density switching networks. SIM based switching cards also allow for very simple in-field maintenance.
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Product
SparkFun Humidity Sensor Breakout
SHTC3 (Qwiic)
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Looking to keep a log of the climate in your greenhouse, create a humidor control system or want to track temperature and humidity data for a weather station project? The SparkFun SHTC3 Humidity Sensor may be the perfect option for you! The SHTC3 is a low cost, easy-to-use, highly accurate digital humidity and temperature sensor. The SHTC3 communicates via I2C so, as you can tell by the name, we have broken out the pins on the sensor to Qwiic connectors so you can easily connect it to SparkFun's ever growing Qwiic Ecosystem.
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Product
Interface Adapter. USB Solution
U2C-11
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Dimax USB to I2C Bridge device - U2C-11 converts USB transactions to I2C Master transactions. U2C-11 turns your PC running Windows or Linux OS into comprehensive I2C Bus master.
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Product
RX Family Of 32-bit High Power Efficiency MCUs
RX700
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The RX700 Series is the flagship of the RX Family with outstanding performance at up to 240MHz CPU performance, power efficiency, and connectivity. It offers up to 4MB of embedded flash memory, integrates rich peripherals such as Ethernet, USB, CAN, I2C, SSI and HMI function. The RX700 Series is an ideal fir for high end application in industry, office automation and other areas, where performance really matters.
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Product
Multichannel Voltage Output D/A Converters
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Analog Devices offers an industry-leading family of multichannel voltage output D/A converters (DACs), covering 8-bit to 16-bit resolutions, from 2-channel up to 40-channel density, and serial SPI or I2C interfaces. This family of precision D/A converters are in demand for applications that require high channel density and a small form factor, such as optical communications, analog output modules, or LED displays. ADI’s multichannel voltage output D/A converters provide features such as the availability of multiple independent output spans, system calibration functions that allow user-programmable offset and gain, or D/A converter increment/decrement functionality, which reduces the need to add external precision gain stages and facilitates the use of this family of D/A converters.
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Product
Alchitry Au FPGA Development Board (Xilinx Artix 7)
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The Alchitry Au is the "gold" standard for FPGA development boards and it's possibly one of the strongest boards of its type on the market. FPGAs, or Field-Programmable Gate Arrays, are an advanced development board type for engineers and hobbyists alike to experience the next step in programming with electronics. The Au continues the trend of more affordable and increasingly powerful FPGA boards arriving each year. This board is a fantastic starting point into the world of FPGAs and the heart of your next project. Finally, now that this board is built by SparkFun, we added a Qwiic connector for easy I2C integration!
