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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Interface Adapter
DMX-10
DMX-10 is, all-in-one ready to use PCIEx to I2C/SPI/GPIO Interface adapter based on system with FPGA and 1x PCIEx PHY. DMX-10 converts PCIEx transactions into the I2C, SPI master or slave transactions and GPIO control functions. DMX-10 turns your PC running Windows, DOS, Linux, MacOS or any embedded OS with PCI support into comprehensive general purpose bus master or slave adapter.
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720W to 1000W - Single Output
CPFE1000FI Series
*Smaller size than CPFE1000F*Baseplate cooled, no fan required*Protective coating option*I2C Interface*High Efficiency
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SparkFun Triple Axis Digital Accelerometer Breakout
ADXL313 (Qwiic)
The SparkFun ADXL313 Breakout is a low power, high resolution (up to 13-bits) 3-axis accelerometer for measurement up to ±4g. This breakout measures the static acceleration of gravity in tilt-sensing applications, as well as dynamic acceleration resulting from motion or shock. Digital output data is formatted as 16-bit two's complement and is accessible through the on-board Qwiic connectors (I2C) or SPI.
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SparkFun Triple Axis Magnetometer Breakout
MLX90393 (Qwiic)
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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SIMRC - 8 x 2 Matrix 1-Pole
1030-R-8-2-1-5/1D
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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SparkFun Qwiic Mux Breakout - 8 Channel (TCA9548A)
Do you have too many sensors with the same I2C address? Put them on the SparkFun Qwiic Mux Breakout to get them all talking on the same bus! The Qwiic Mux Breakout enables communication with multiple I2C devices that have the same address that makes it simple to interface with. The Qwiic Mux also has eight configurable addresses of its own, allowing for up to 64 I2C buses on a connection. To make it even easier to use this multiplexer, all communication is enacted exclusively via I2C, utilizing our handy Qwiic system.
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Power Supply Support
Renesas offers a complete portfolio of system supervisory solutions ranging from single to quintuple (five) voltage monitors. In addition, the system management ICs are voltage monitors with small amounts of I2C or SPI software programmable EEPROM memory. Renesas single-chip sequencing solutions sequence up to four different voltages while providing other useful features such as voltage monitoring, fault protection, and reset assertion.
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Environment click
Environment click measures temperature, relative humidity, pressure and VOC (Volatile Organic compounds gases). The click carries the BME680 environmental sensor from Bosch. Environment click is designed to run on a 3.3V power supply. It communicates with the target microcontroller over SPI or I2C interface.
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Interface
Renesas offers industry-leading devices to enable efficient and reliable communication for industrial control, networking and computing applications. Dual protocol transceivers, voltage level translators, I2C Buffers, wide operating voltage range RS-232 transceivers, and RS-485/422 devices with the highest noise immunity and ESD protection in small packages are available to support high-speed data transfer and a variety of configurations to fit your applications.
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Serial Bus Buffers, Extenders, and Accelerators
The Analog Devices family of I2C solutions support hot swappable, 2-wire bidirectional bus buffers to allow I/O card insertion into a live backplane without corruption of the data and clock busses. Additional supported 2-wire buses include SMBus, PMBus, the ATCA intelligent platform management bus (IPMB), and the HDMI DDC bus. I2C/SMBus Accelerators improve bus transitions to allows multiple device connections or a longer, more capacitive interconnect, without compromising slew rates or bus performance. ADI's software-programmable and pin-selectable I2C multiplexers help resolve I2C address limitations, increase fan-in or fan-out, and integrate bus buffers and rise time accelerators for an all-in-one solution. Resistor configurable I2C address translators can be configured with over 100 unique slave addresses to allow multiple slave devices with the same address to coexist on the same bus.
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LCD Controllers
CP240x
The CP240x extremely low power LCD controller devices can drive up to 128 LCD segments. These devices are easily interfaced with any microcontroller using SPI or I2C interfaces. A benefit to this approach is designers can select the best-fit MCU for the system and then add the CP240x to handle LCD requirements efficiently with respect to system size and power consumption.
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Multipurpose Debug Board For EC
DB30 x86 Debug Module
The DB30 x86 Debug Card is designed for debugging of COM Express modules with FFC (FlexFoil Cable) debug connector. It includes an 80 port for Power on and Self-test (POST) via I2C interface, interface to SPI Flash for BIOS update, interface to EC for Embedded Controller (EC) update, Power and Reset buttons, and Status LEDs and Test Point for various debug tests.
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RS232 I2C Adapter
12C Master
*I2C frequency adjustable up to 400kHz*I2C level shifter, I2C level from 2V to 15V*Interrupt input for external events*Simple software interface (ASCII commands)
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SparkFun Spectral Sensor Breakout
AS7263 NIR (Qwiic)
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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Low-power, High-performance FPGA
iCE40 LP/HX
*Available in three series with LUTs ranging from 384 to 7680: Low power (LP) and high performance (HX)*Integrated hard I2C and SPI cores that enable flexible device configuration through SPI*Match your preferred display to your application processor with interfaces such as RGB, 7:1 LVDS and MIPI DPI/DBI*Multi-source your image sensors by implementing flexible bridges supporting common interfaces such as HiSPi, subLVDS, LVDS and Parallel LVCMOS*Up to 128 kbits sysMEM™ Embedded Block RAM*Industry’s broadest range of 0.35 mm - 0.40 mm pitch BGAs fit in space-constrained applications
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Single-Supply Voltage Output D/A Converters
Analog Devices offers the broadest portfolio of low voltage single-supply D/A converters (DACs) 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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Computing Power VRM/IMVP
Renesas' computing power products are featured with high accuracy up to ± 0.5%, parallel/serial VID supporting, phase dropping, CCM/DEM mode transition for energy saving, and I2C function. Our multiphase modulation technology comes from our experience in analog multiphase controllers used in computing.
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Optical tTansceiver Module
QSFP28
Eoptolink Technology Inc., Ltd.
Eoptolink’s EOLQ-851HG-02 QSFP28 SR4 100G Optical transceiver module are designed for use in 100 Gigabit Ethernet links over multimode fiber. They are compliant with the QSFP28 MSA and IEEE 802.3bm 100GBASE-SR4 and CAUI-4. Digital diagnostics functions are available via the I2C interface, as specified by the QSFP28 MSA.
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Logic Analyzer & Digital Pattern Generator
ScanaQuad Series
ScanaQuad (SQ) is a series of high performance 4 channels logic analyzers and digital pattern generators. They are designed to be your best companion when working on serial protocols like UART, SPI, I2C, 1-Wire, USB, I2S, CAN, LIN, RS232, RS485, and more. With ScanaQuad Logic Analyzers, you can capture signals, you can play them back, and you can even build genuine test signals and generate them!
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1Gsps, 9 Channel, Logic Analyzer with Protocol Analyzer plugins and Hardware Compression
DigiView™ DV509
- 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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Lightning "Emulator" Shield
SEN-39002
Arduino shield, ideal for AS3935 lightning sensor development. The lightning "emulator" generates a RF signal that mimics lightning strikes. This board is in an Arduino Uno form factor, and only uses GPIO and I2C, so can be stacked on many form factors (developed on an Uno and Mega).
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ST VL53L0X Time-of-Flight Range/Distance Sensor
SEN-36003
Highly integrated breakout board for the ST Micro VL53L0X Time of Flight (ToF) range finder sensor, which builds on the absolute ranging technology introduced with the VL6180X. The VL53L0X drops the ambient light sensing capability of it's predecessor for a 10X improvement in absolute ranging capability, bringing the maximum possible range to 2 meters! As a result, this sensor has even more uses in the robotics, cell phone and gesture recognition space. The SEN-36003 includes the VL53L0X IC mounted between two 4-40 sized mounting holes with on board 2.8V LDO and high-speed signal translation to handle interface voltages from 3V to 5V. The board is interfaced via an I2C interface and function pins have been broken out to a 0.1" pin header. All pins are translated to allow interfacing with any microcontroller in the 3V to 5V operating range.
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I2C High Speed Interface for USB
Tracii XL 2.0
telos EDV Systementwicklung GmbH
Tracii XL 2.0 is the outstanding I2C Adapter featuring the I2C high-speed specification running the I2C bus with up to 3.33 Mbit/s. Additionally Tracii XL 2.0 can work as an I2C monitor.
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Qseven Rev 2.1 Application Board With LVDS, HDMI, Dual LAN And Audio
Q7B301
The Q7B301 is an ultra-compact Qseven reference carrier board which measures only 100 x 72 mm - the size is slightly bigger than a credit card. The Q7B301 is perfect for small box applications such as those found in the latest digital signs, kiosks and traffic control system. This Qseven application board offers various I/O connectors and flexible expansion features to reduce the design effort to the minimum. The Q7B301 also has an extended industrial grade operating temperature range of -40ºC to +85ºC to withstand the rigors of harsh environments. Axiomtek’s new Qseven Rev. 2.1 application board, Q7B301, is compatible with Qseven module – Q7M311 which is powered by the Intel® Pentium® Processor N4200 and Celeron® Processor N3350. Customers can emulate required functions on Q7M301 as a reference design board or integrate the Q7M301 directly into their product as the application board. Its minimum footprint also enables the maximum potential. The Q7M301 is especially suited for industrial IoT applications such as industrial control, medical imaging, digital signage, gaming machines, military, and networking. The Q7B301 comes with two PCI Express Mini Card slots and one SIM card slot for wireless communication (3G/4G, GPS, Wi-Fi and Bluetooth). For enhanced or high-definition audiovisual devices, the Qseven reference carrier board supports one HDMI and LVDS interfaces as well as HD audio and 4-channel digital I/O. More I/O interfaces include two Gigabit LANs with Intel® i211AT Ethernet controller, two RS-232/422/485, one USB 2.0, two USB 3.0, one SMBus, and one I2C. Furthermore, it has one SATA-600 interface for storage requirements.
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USB-8451, 250 kHz I2C, 12 MHz SPI I2C/SPI Interface Device
779553-50
The NI USB‑8451 is a master interface for connecting to and communicating with inter-integrated circuit (I2C), System Management Bus (SMBus), and serial peripheral interface (SPI) devices. With plug‑and‑play USB connectivity, the USB‑8451 is a portable solution to communicate with consumer electronics and integrated circuits. It also includes eight general-purpose digital I/O lines for a variety of applications, such as configuring the address of I2C devices or toggling LEDs. The USB‑8451 can be physically located more closely to I2C/SPI devices than PCI interfaces, reducing I2C bus length and minimizing noise problems. Additionally, the interface provides +5 V and GND to power circuits with no external power supply.
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Digital Demultiplexers
Advanced Science and Novel Technology, Co., Inc.
24:48 digital demultiplexer (DMUX) with SSTL1.5 input and output interfaces.Supports data rates from 1.0Mbps to 2.0Gbps.User-controllable independent internal delays for data and clock signals.1.5V I2C control interface with a user-defined 3-bit chip address.Preset function for synchronization of multiple parallel devices.Full-rate output copy of external high-speed clock input signal.Two pairs of clock divided-by-2 and synchronous clock enable outputs for supporting the tree-type demultiplexation structure.Additional synchronous clock divided-by-4 output.Dual power supply of +3.0V and +1.5V.Industrial temperature range.Low power consumption of 2.1W at 2.0Gbps.Available in custom 256-pin BGA package (13mm x 13mm x 2.5mm).
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SparkFun Qwiic Micro:bit Breakout
The SparkFun Qwiic micro:bit Breakout is a board that connects to the BBC micro:bit and expands the capabilities of the development platform by providing access to more pins and allowing for connections to the I2C and SPI buses. This breakout board for the micro:bit’s edge connector allows intermediate and advanced users to connect the micro:bit to breadboards and other Qwiic sensors, motors, LEDs and more.
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Intelligent Sensors
Silicon Labs is a leading supplier of intelligent sensor solutions that are characterized by superb reliability, compact size, high levels of integration and unmatched ease of use for a variety of applications. Our diverse sensor product portfolio includes optical sensors, digital relative I2C humidity and temperature sensor ICs, biometric sensors and capacitive touch sense microcontroller devices.
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Infrared Array Sensor
Grid-EYE Evaluation Kit
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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Hall Sensor Board with I2C Interface
055-013
Version: +5V/5A +3,3V/5A +12V/5A -12V/5A The Hall-Sensor Board is the right accessory for your system in combination with the Elma SysMon. It's possible to measure up to 4 currents and to monitor them with the Elma SysMon 3 Gen.





























