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. AKA: 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
- Pickering Interfaces Inc.
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SIMRC - 16 x Uncommitted Reed Relay, SPDT
1010-R-16-1-5/3D
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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I2C Bus Host Adapters
iPort/AFM 2 brings I2C directly to your Windows, Linux, or Mac OSX PC, Single-board Computers, or Embedded Systems. Just load our free software, plug the iPort/AFM 2 into your computer's legacy or add-on RS-232 port, and you will be sending and receiving I2C Bus messages in minutes.
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Power Monitors
Analog Devices’ power monitoring amplifiers provide an integrated solution for digital current and voltage measurement via an on-chip, 12-bit analog-to-digital converter (ADC), communicated through an I2C interface. Leveraging ADI’s precision analog design techniques, ADI’s products are twice as precise as competing devices, offering best-in-class accuracy (<±0.8%). The power monitors complete the industry’s only monitor and sequencer family to deliver <±1% accuracy for 2 to 12 supplies.
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Training Board
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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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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Lightning Sensor Breakout
SEN-39001
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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SparkFun Qwiic Quad Relay
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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Beagle I2C/SPI Protocol Analyzer
TP320121
The versatile Beagle™ I2C/SPI Protocol Analyzer is the ideal tool for the embedded engineer who is developing an I2C, SPI, or MDIO based product. The Beagle analyzer provides a high performance bus monitoring solution in a small, portable package. Perfect for engineers in the field and in the lab.
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SparkFun Pulse Oximeter And Heart Rate Sensor
MAX30101 & MAX32664 (Qwiic)
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 con...show more -
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USB Protocol Analyzers
Beagle Series
Our line of Beagle Protocol Analyzers provide real-time visibility into I2C, SPI, and USB systems making them ideal tools for embedded engineers.The Beagle analyzers provide high-performance bus monitoring in a small, portable package that includes cross-platform software support making it perfect for engineers in the field and in the lab.
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SparkFun MicroMod Environmental Function Board
The SparkFun MicroMod Environmental Function Board adds additional sensing options to the MicroMod Processor Boards. This Function Board includes three sensors to monitor air quality (SGP40), humidity & temperature (SHTC3), and CO2 concentrations (STC31) in your indoor environment. To make it even easier to use, all communication is over the MicroMod's I2C bus!
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SparkFun Micro OLED Breakout
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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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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Mixed Signal Oscilloscopes
A Mixed Signal Oscilloscope (MSO) is a combination Logic Analyzer and Oscilloscope. Since all inputs sample simultaneously, it is easy to see the timing relationships of the digital and analog components of your circuit. The extra channels also allow for more complex triggering. All of our MSOs have Oscilloscope triggering, Logic Analyzer triggering, SPI triggering and I2C triggering.
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USB to I2C Adapter
Model JI-300
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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SIMRC - 16-Channel 1-Pole MUX, Screened Reed
1020-R-16-1RF-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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Quad QSFP28/QSFP+ FMC+ Module
iWave’s QSFP28/QSFP+ 2×1 Stacked FMC+ HSPC Module is designed to meet VITA 57.4 FMC+ Standard. This FMC+ Module is supported by two stacked QSFP28/QSFP+ ports(Upto400G) with 4-Bit Silicon Labs programmable clock synthesizer (default = 156.25Mhz). A flexible reference clock for on the QSFP28/QSFP+ 2×1 Stacked FMC+ Module is fully programmable over the 0.16 to 710 MHz range through I2C. Each QSFP28/QSFP+ ports are directly connected to four multi-gigabit serial transceivers banks of Vita 57.4 compliant carrier Board.
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SparkFun GPS Breakout
NEO-M9N, SMA (Qwiic)
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 recha...show more -
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Evaluation Kit
ROM-DK2620
*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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InfiniiVision Oscilloscopes
2000 X-Series
70 MHz to 200 MHz See more signal detail with 50,000 wfms/s update rateView time-correlated digital content with 8 digital channels (MSO)Modulate signals within the scope with WaveGen, built-in 20 MHz function generator (optional)Quickly characterize signals with the built-in 3-digit voltmeter and 5-digit counter option Decode serial busses faster with hardware-based serial analysis options for CAN, LIN, I2C, SPI and RS232/422/485/UART Protect your investment with full upgradability
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In-Circuit Programmer/Loader
SKU-018-01
The In-Circuit Programmer/Loader (“EasyLoader” or “eLoader”) is a standalone device that was designed to provide a flexible and cost-effective solution for electronic device manufacturers, as well as for hardware design companies and their customers. It allows you to upgrade code on any JTAG/SPI/I2C compliant device (like FPGA/CPLD/EEprom/Flash, etc.) or Microcontrollers at any time of development, testing or production.
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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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Function Generators
Respective dual channels function/arbitrary waveform generator. Sine wave output up to 160MHz, full-band resolution of 1μHz. Pulse waveform up to 50MHz (or 40MHz), adjustable time of rising, falling and duty ratio. Sampling rate of 500MSa/s and vertical resolution of 16bit. 6-bit high-precision frequency meter compatible with TTL level signal. Arbitrary wave storage of 8~32M points, 7GB non-volatile waveform storage. Multi modulation function::AM,FM,PM, ASK,FSK,PSK, BPSK, QPSK,OSK,PWM, QAM, SUM ...show more -
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SparkFun Human Presence Sensor Breakout
AK9753 (Qwiic)
This is not your normal Passive Infrared (PIR) sensor! The SparkFun AK9753 Human Presence Sensor Breakout is a Qwiic-enabled, 4-channel Nondispersive Infrared (NDIR) sensor. Each channel has a different field of view, so not only can the AK9753 detect a human, but it can also tell which direction the person is moving. To make it even easier to use this breakout, 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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Dual Band Block Up-Converter
DBUC Series
*Connectorized Package *Wide Choice of Frequency Ranges *Dual Band *Integrated Filters *Gain Control *CAN, RS-232, I2C, or SPI Control *Internal / External References *Low Power Consumption *Low Phase Noise *Low Spurs
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Soil Moisture Sensor
Modbus RS485
This is a contact-less capacitive soil moisture sensor, a continuation of my I2C soil moisture sensor. This particular version of the sensor is suited for more professional installations where long cable runs is a requirement. It adds a local voltage regulator to mitigate the voltage drop and RS485 transceiver to accommodate long wires, also reverse polarity and an additional ESD protection level is added.
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I2C Protocol Analyzer
EasyI2C
It's simple to find an I2C-style bus within arm's reach. Every computer, monitor, television and cell phone has it. Most microcontrollers directly support this protocol as well. Even so, the I2C protocol has many subtle nuances that are hard to grasp and easily forgotten. EasyI2C (TM) helps you to figure out exactly what is happening, without having to examine huge waveform trace capture files or set up complex tests.
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SparkFun IR Array Breakout
110 Degree FOV, MLX90640 (Qwiic)
It's time to say hip hip array for this IR Breakout! The MLX90640 SparkFun IR Array Breakout is equipped with a 32x24 array of thermopile sensors creating, in essence, a low resolution thermal imaging camera. With this breakout you can detect surface temperatures from many feet away with an accuracy of ±1.5°C (best case). To make it even easier to get your low-resolution infrared image, 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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Logic Analyzer
LAP-16064U
Zeroplus Technology Corperation
Sample rate (Internal clock): 100MHz asynchronous operation. Sample rate (External clock): 100MHz synchronous operation. Channels may be selectively defulted to /Channels: 16 CH. Upgrade Oscilloscope to measure and decode I2C / UART (RS232C & RS485) / SPI Protocols and mixed signals. Glitch Capture Capability: 5ns. Bandwidth: 75MHz.
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Light-to-Digital Sensors
Renesas' light-to-digital output sensors offer IR blocking filters, interrupt function and an I2C interface and are intended for ambient light sensing and lighting/backlighting control.
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ArgoBot Kit
ROB-00001
The ArgoBot Full Kit is a fully assembled robot and controls development platform. It is based on the Digilent chipKIT WF32(TM), a WiFi enabled development platform, and configured for LabVIEW targeting. Most importantly ArgoBot was designed with FIRST Robotics Competition teams in the front of our minds! Named after the FRC Team 1756 mascot, Argos, the ArgoBot development platform includes a fully-assembled, ready to drive mini WiFi enabled robot (about 8" x 5" x 4"), as well as tons of FRC con...show more
