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
I2C Tools
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A set of open-source Linux user-space utilities used to interact, debug, and test I2C/SMBus peripheral devices without writing code.
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Product
USB-8452, 3.3 MHz I2C, 50 MHz SPI I2C/SPI Interface Device
781964-02
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
USB-8451, 250 kHz I2C, 12 MHz SPI I2C/SPI Interface Device
779553-01
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
RS232 I2C Adapter LowPower
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*I2C frequency adjustable up to 100kHz*Maximum power consumption <5mA*Interrupt input for external events*Simple software interface (ASCII commands)
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Product
TTL/I2C/SPI* Expansion Kit
OP-SB5GL
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OP-SB5GL is the interface expansion kit that has a port to measure RS-232C(V.24) and a port to measure the TTL / CMOS signal level communications. 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 communications 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
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
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
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
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
Triple-Axis Accelerometer (+-2g/4g/8g/16g) w/ I2C/SPI
ADXL345
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Filling out our accelerometer offerings, we now have the really lovely digital ADXL345 from Analog Devices, a triple-axis accelerometer with digital I2C and SPI interface breakout. We added an on-board 3.3V regulator and logic-level shifting circuitry, making it a perfect choice for interfacing with any 3V or 5V microcontroller such as the Arduino.
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Product
I2C Bus Monitor
Model JI-210
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The JI-210 is a PC hosted I2C bus monitor used to non-invasivelymonitor and analyze a variety of I2C networks. The desktop unitcaptures and stores up to 32KBs of bus activity including data andaddress values, stop/start, read/write, ACK/NACK, and frame errorevents. Data is displayed as both I2C messages and TimingWaveforms. A Windows software application manages capturedI2C messages, trigger setup, and recording settings.
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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
I2C High Speed Interface for USB
Tracii XL 2.0
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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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Product
I2C Interface for Digital I/O Control
EE301-I2C
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Cable can be used with EE301-I2C or EE301-DCMI Model Numbers only. Cable + Power for Loads & Control Modules / Connects to a PC Parallel Port / Supports (2) Electronics Loads & Control Modules / 6' Power cable & 5' Data cable
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Product
GPIB to I2C and 8-Bit Data Bus Interface
Model 4802
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ICS's GPIB to I2C Interface Board is an IEEE-488.2 GPIB and HP-IB compatible interface for I2c and SMB devices.
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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 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
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
Bridge Device and GPIO Port Expander
SPI-to-I2C
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The CP2120 compact SPI-to-I2C bridge and general purpose port expander device can be easily added to a system to solve interface compatibility problems and add more GPIO when required.
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Product
Low Speed Protocol Decode/Trigger Software (I2C, SPI, RS232, I2S, JTAG)
D9010LSSP
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This bundle includes powerful decoding and triggering for the following serial bus standards: I²C, SPI, Quad SPI, eSPI (including Quad eSPI), RS232/UART, Manchester, I²S, SVID, and JTAG (IEEE 1149.1). It is compatible with S-Series, V-Series, Z-Series, EXR-Series, MXR-Series, UXR-Series, 9000 Series, and 90000 Series Infiniium oscilloscopes. For detailed information on the decode and trigger settings, please refer to the datasheet.
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Product
SparkFun GPS Breakout
ZOE-M8Q (Qwiic)
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The SparkFun ZOE-M8Q GPS Breakout is a high accuracy, miniaturized, GPS board that is perfect for applications that don't possess a lot of space. The on-board ZOE-M8Q is a 72-channel GNSS receiver, meaning it can receive signals from the GPS, GLONASS, BeiDou, 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
500 Watt AC/DC Power Line Conditioner, 3U VPX, Holdup Time
VPX56-3HU
Power Line Conditioner
NAI's VPX56-3HU is a rugged, high-performance 500-Watt Output +28 VDC Input 3U VPX AC/DC Power Line Conditioner designed for aerospace, defense, and industrial markets. This off-the-shelf power supply plugs directly into a standard VPX conduction cooled chassis and protects downstream DC-DC converters from MIL-STD-704 transients, low-voltage conditions and power interruptions, providing up to 50 milliseconds of holdup time at up to 500-Watts. Continuous Background Built-In-Test (BIT) and I2C communication are included.
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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
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
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
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.
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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
Smart Card Reader
UTC-510P-S01E
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Memory card -Synchronous 2-line, 3-line and I2C interface. CPU card -Complies with ISO7816-1,2,3,T=1 and T=0 protocol. Reliability: 200,000 cycles.
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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
SparkFun GPS Breakout
NEO-M9N, SMA (Qwiic)
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The SparkFun NEO-M9N GPS Breakout is a high quality GPS board with equally impressive configuration options including SMA. The NEO-M9N module is a 92-channel u-blox M9 engine GNSS receiver, meaning it can receive signals from the GPS, GLONASS, Galileo, and BeiDou constellations with ~1.5 meter accuracy. This breakout supports concurrent reception of four GNSS. This maximizes position accuracy in challenging conditions increasing, precision and decreases lock time; and thanks to the onboard rechargeable 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 makes 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.





























