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
USB I2C Adapter
MS (Master & Slave)
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*Plug & Play*No additional driver necessary*HID device drivers are included in major operating systems*Open interface description enables communication without a DLL
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Product
USB-8451, 250 kHz I2C, 12 MHz SPI I2C/SPI Interface Device
779553-50
Interface Module
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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Product
I2C Fast Mode Interface for USB 2.0, I2C Multimaster and Monitor
Connii MM 2.0
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telos EDV Systementwicklung GmbH
Connii MM 2.0 is a small, compact, easy-to-use solution for a PC driven I2C transmitter and receiver. The I2C interface works as an I2C multimaster device. Thus, it is able to drive buses running multiple I2C bus masters. Additionally, Connii MM 2.0 is a limited I2C monitor for traffic up to 400kHz.
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Product
I2C High Speed Interface for USB
telos Tracii XL
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telos EDV Systementwicklung GmbH
Tracii XL is the outstanding I2C Adapter featuring the I2C high-speed specification running the I2C bus with up to 2 Mbit/s. Additionally Tracii XL can work as an I2C monitor.
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Product
I2C Bus Monitor - USB
Model JI-216
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The JI-216 I2C Bus Monitor is a low cost, easy-to-use PC hosted instrument specificallydesigned for troubleshooting and debugging I2C networks. The JI-216''s FPGA basedarchitecture provides for the capture and display of all valid or invalid messages and I2Cbus events. Captured I2C messages are available for display in two modes: real-timestreaming, or triggered. These modes provide optimized data display for either hardwareor software development. The SDA/SCL timing display aids in tracking down and solvinghardware timing problems. JI-216''s broad bandwidth (DC 3.4Mbits/s), wide input signalrange (0 15.0V), and variable signal filtering provides flexibility in monitoring a variety ofI2C bus systems. An intuitive Windows application manages instrument setup andcontrol. Communications and unit power is provided via a USB 2.0 link.
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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
I2C Soil Moisture Sensor
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Capacitive soil moisture sensor interfaced via I2C. Additionaly provides ambient light and temperature readings. Open Source Hardware. Soil moisture sensing, Light sensing, Temperature sensing.
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Product
8-Sites ISP & I2C/SPI Interface
YAV90ISP
Switch Module
Industrial Programmers Interface up to 8 targetsRelay BarrierDemultiplexer module up to 32 devicesCommunication Interfaces I2C and SPI
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Product
USB-8452, 3.3 MHz I2C, 50 MHz SPI I2C/SPI Interface Device
781964-03
Interface Module
The NI USB‑8452 is a master interface for connecting to and communicating with inter-integrated circuit (I2C) and serial peripheral interface (SPI) devices. With plug‑and‑play USB connectivity, the USB‑8452 is a bus-powered, 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, toggling LEDs, or strobing convert and data ready lines common to analog converter chips. You can physically place the USB‑8452 more closely than PCI interfaces to I2C/SPI devices, which reduces I2C bus length and minimizes noise problems. Additionally, the interface provides +5 V and GND to power circuits with no external power supply.
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Product
I2C Adapter
RS485
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*RS485 address adjustable via DIP switch*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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Product
RS232 I2C Adapter
12C Master
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*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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Product
USB to I2C Adapter
Model JI-300
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The JI-300 is a versatile, easy to use PC hosted adapter used to drive I2C communicationsto/from a target device. The desktop unit can be configured to interface a variety of I2Cnetworks. Bus parameters such as clock frequency, duty-cycle, setup and hold times, busvoltage, and pull-up resistor values can be varied. JI-300''s diagnostic features including"excessive clock-stretch", "bus-not-free", and "bus contention" monitoring, as well as statusreporting at the conclusion of each message transaction simplifies I2C trouble-shooting. AWindows software application manages the setup and control of the instrument.Communications and unit power is provided via a USB 2.0 connection.
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Product
Bus Analyzer
Scribe I2C
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The Blackhawk Scribe is an entry level, yet feature-packed and robust I2C debugging tool. The Scribe was designed to help engineers developing products which utilize the IC and SMBus interfaces.
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Product
SIMRC - 16 x Uncommitted Reed Relay, SPDT
1010-R-16-1-5/3D
Reed Relay
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
SIMRC - 16-Channel 2-Pole Multiplexer
1020-R-16-2-5/1D
Multiplexer 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 Qwiic Quad Relay
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The SparkFun Qwiic Quad Relay is a unique power accessory board that has been designed for switching not one but four high powered devices from your Arduino or another low powered microcontroller using I2C. Taking a look at the board, the Quad Relay has four individual relays rated up to 5 Amps per channel at 250VAC or 30VDC. Each channel also has its own uniquely colored LED, silk for easy identification, and screw terminals for optional connection. Utilizing our handy Qwiic system, no soldering is required to connect it to the rest of your system!
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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 Triple Axis Accelerometer Breakout
ADXL345
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This new version adds two standoff holes as well as an extra decoupling capacitor. The ADXL345 is a small, thin, low power, 3-axis MEMS accelerometer with high resolution (13-bit) measurement at up to +-16 g. Digital output data is formatted as 16-bit twos complement and is accessible through either a SPI (3- or 4-wire) or I2C digital interface.
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Product
SparkFun GPS Breakout
XA1110 (Qwiic)
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The SparkFun XA1110 GPS Breakout is a small I2C-supported module built for easy hookup, thanks to our Qwiic Connect System. Equipped with the XA1110 GPS module from GTOP, this board utilizes the MediaTek MT3333 chipset, loaded with specialized SparkFun firmware that enables both I2C and serial ports simultaneously. Using I2C means you won’t have to tie up your serial port with GPS, leaving it open to other possibilities.
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Product
Open Standard Module (OSM)
ROM-2860
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Advantech ROM-2860 OSM 1.1 Computer-on-Module is powered by Qualcomm QCS6490/5430 SoC which includes up to Arm v8 Cortex® in combination with Andreo GPU 643 and Andreo VPU 633 graphics engine. It provides PCIe, USB 3.2, Giga Ethernet, MIPI-CSI, I2C, SPI, GPIO, PWM and eDP, DP, MIPI-DSI display for embedded applications.
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Product
PCI-X Carrier For AMC Modules
PCI102
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The PCI102 allows testing of AMC.1, AMC.2 and AMC.3 modules in a PC environment during development and manufacturing; reducing the costs associated with maintaining different platforms. The PCI101 is a PCI-X edge style carrier with PCIe x4 lanes going to the AMC module. The AMC.1 module connects to the host PC’s PCI-X bus via a PCI-X to PCI ebridge. The AMC.2 module’s GbE ports are routed to RJ-45s. The AMC.3 differential pairs are routed to two SATA connectors. ThePCI102 is available with an optional VT001 IPMI controller which can test the AMC IPMI management functionality. The dual I2C bus connectors allow for connecting any I2C bus to any other I2C bus as well as being able to debug and monitor the I2C bus traffic. Provides two current sense resistors to measure the payload power as well as the management power of the AMC. The PCI102 can be powered on the bench without the host PC.
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Product
SIMRC - 8-Channel 1-Pole Multiplexer
1020-R-8-1-5/1D
Multiplexer 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
Multibus Ethernet Card
MS 1750
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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- Multibus 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
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Product
I2C Adapter MS
LAN
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*No driver necessary*Integration of communication via DLL and TCP / IP & UDP protocol possible*Open interface description enables communication without a DLL*Supports TCP / IP, UDP and DHCP
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Product
ISP Programmer Superpro Is01
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Features:Until now,Support IC manufacturer, pcs devices and keeps growing.1)High speed thanks to the flexible hardware engine. Programming speed adjustable for complicated application environments brought by user target board, length of ISP cable etc.2)Stand-alone and PC-Hosted (USB2.0 High Speed) dual mode;3)Supports ISP programming of devices with I2C, SPI, UART, BDM, MON, MW, JTAG, CAN, ICC, RS232 and any other serial port.4)ATE interface;5)Over-current and ESD protection to protect your equipment;6)DLL and API for easy integration into customers’ system.Hardware Specifications:1) ISP cable integrates I2C, SPI, UART, BDM, MON, MW, JTAG, CAN, ICC, RS232 interfaces。2) VDD (0-5.5V /0.5A) and Vpp (0-15V / 0.2A) lines provided to power the target board and the target devices.3) Cable driver circuit supports target devices of voltage level 1.5-5V and is ESD protected.4) USB 2.0 (high speed) interface for PC hosted mode and management of project files on SD card.5) A 20 Characters x 4 lines LCD and a 6-key keypad are built with it for stand-alone operation. In stand-alone mode project files are stored on the SD card (up to 16GB). The number of the project files is limited only by the capacity of the SD card.6) ATE interface is built for easy external hardware control. 6 lines SEL0-SEL5 are for project selection (maximum 64 files); 2 command lines START and STOP; 3 STATUS lines PASS, FAIL and BUSY. All signals are optical-isolated.7) A universal AC adaptor of DC12V/2A is included for power supply.8)WINDOWS XP/Vista/Win7/Win8/Win10 32/64bit compatibility.Software Specifications:1) Supports almost all devices with ISP interface.2) Supports Jam and Staple files from ACTEL and ALTERA; Direct C files from ACTEL.3) Programming speed selectable (High, Normal and Low) for complicated applications such as different cable lengths, different target load characters.4) Dynamic buffer function. Application examples include device S/N, MAC address, frequency or transducer calibration etc.5) File format on SD: FAT16, FAT32.6) Functions for IP protection: Project security, SD security, batch control, administration management etc. 7) API and DLL provided for easy integration into customers’ system like ICT and ATE.8) Software provides the features for multiple units to work concurrently controlled by USB HUB.Applications:1)R&D application like in-circuit test and debug.2)Volume production. Devices may be programmed after the board is fully assembled. One example is the serial number writing to an on-board serial device.3)Field application. Comes with portability, stand-alone mode and mobile data storage media (SD card), it is suitable for field test, debug and data acquisition.4)Third application modules. Friend s/w interface (DLL and Virtual Com communication command set) and h/w interface ( ATE and USB) are provided and make it very easy for customers to integrate ISP01 as a functional module into their systems. One example is the ICT equipment. With this integration user can finish in-circuit test and in-circuit programming in one step.
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Product
Power Supply Support
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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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Product
SparkFun Pulse Oximeter And Heart Rate Sensor
MAX30101 & MAX32664 (Qwiic)
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The SparkFun Pulse Oximeter and Heart Rate Sensor is an I2C based biometric sensor, utilizing two chips from Maxim Integrated: the MAX32664 Biometric Sensor Hub and the MAX30101 Pulse Oximetry and Heart Rate Module. While the latter does all the sensing, the former is an incredibly small and fast Cortex M4 processor that handles all of the algorithmic calculations, digital filtering, pressure/position compensation, advanced R-wave detection, and automatic gain control. We've provided a Qwiic connector to easily connect to the I2C data lines but you will also need to connect to two additional lines. This board is very small, measuring at 1in x 0.5in (25.4mm x 12.7mm), which means it will fit nicely on your finger without all the bulk.
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Product
Qseven Rev 2.1 Application Board With LVDS, HDMI, Dual LAN And Audio
Q7B301
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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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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
LCD Controllers
CP240x
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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.





























