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
Accelerometor, Gyro, Magnetometer Breakout Board
SEN-38001
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The LSM9DS1 is a highly configurable, flexible and precise motion sensing solution from ST Microelectronics - the latest in a wide-ranging inertial product line. It integrates a 3-axis accelerometer, 3-axis gyroscope and 3-axis magnetometer into a single IC , giving you a full nine degrees of freedom (9-DOF) in a tiny 3mm x 3.5mm package. Even with support components, square mounting pattern and connection breakouts for both SPI and I2C, this board is barely the size of a quarter.
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Product
Multipurpose Debug Board
DB40-HPC Debug Module
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The DB40-HPC Debug Card is designed for debugging of COM-HPC 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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Product
SparkFun 16 Output I/O Expander Breakout
SX1509
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Are you low on I/O? No problem! The SX1509 Breakout is a 16-channel GPIO expander with an I2C interface – that means with just two wires, your microcontroller can interface with 16 fully configurable digital input/output pins. But the SX1509 can do so much more than just simple digital pin control. It can produce PWM signals, so you can dim LEDs. It can be set to blink or even breathe pins at varying rates. This breakout is similar to a multiplexer or "mux," in that it allows you to get more IO from less pins. And, with a built-in keypad engine, it can interface with up to 64 buttons set up in an 8x8 matrix.
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Product
Beagle I2C/SPI Protocol Analyzer
TP320121
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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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Product
720W to 1000W - Single Output
CPFE1000 Series
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*Universal Input*MIL STD 461/462D CE102EMC*Baseplate cooled, no fan required*I2C Interface*High Efficiency*Conformal Coated
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Product
High Flexibility Test Controller Card
TCC 1800-UE
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The TCC1800-UE Test Controller Card is a generic control board for production testing of printed circuit boards (PCBs). The board is controlled by a command language on a PC to which it is connected via Ethernet.The TCC1800-UE is designed to work with positive voltages up to 24V. The card provides extensive IO: Analog and digital interfacing, counters, PWM outputs, bidirectional I/O, ethernet-, CAN, USB, SPI and I2C interfacing.
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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 IR Array Breakout
55 Degree FOV, MLX90640 (Qwiic)
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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 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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Product
Control Board For Testing PCBs
TCC 1800
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The TCC1800 Test Controller Card is a generic control board for production testing of printed circuit boards (PCBs). The board is controlled by a command language on a PC to which it is connected via a galvanically separated USB interface. The TCC1800 is designed to work with positive voltages up to 24V. All inputs and outputs are protected against higher voltages however. The card provides basic IO: Analog and digital interfacing, counters, PWM outputs, bidirectional I/O, Serial (UART) and I2C interfacing.
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Product
Interface Adapter
U2C-12
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Dimax U2C-12, all-in-one USB-I2C, USB-SPI and USB-GPIO Bridge device, converts PC USB transactions to the I2C Master, SPI Master transactions and GPIO functions. U2C-12 turns your PC running Windows, Linux or MacOS into comprehensive I2C/SPI Bus master.
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Product
SparkFun Qwiic EEPROM Breakout
512Kbit
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The SparkFun Qwiic EEPROM Breakout is a simple and cost effective option to add some extra storage space to any project. With 512 kilo-bits (or 64 kilo-bytes) of storage, this product is great for any microcontroller that doesn't have any EEPROM storage space, like the SAMD21. You can use the Qwiic EEPROM for storing data like GPS waypoints and other user settings that need to be maintained between sketch uploads. The SparkFun Qwiic EEPROM has three address jumpers, allowing for up to eight EEPROMs on one bus. All communication is enacted exclusively via I2C, utilizing our handy Qwiic system (as the name implies). However, we still have broken out 0.1" spaced pins in case you prefer to use a breadboard.
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Product
64 Channel 12C GPIO Expansion
FXA-102 I2C Expander
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The FXA-102 provides 64bit of General-Purpose Input / Output (GPIO) which are controlled via I2C. It is 3,3V and 5V compatible and based on four 16bit I2C Port Expander (PCA9535). To simplify debugging each channel is equipped with a status led. Using the optional Phoenix Contact UMK housing, the FXA-102 can be installed on a DIN rail. The dual row 2,54mm pin headers allow usage with IDC20 connectors or wire wrap cables.
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Product
SIMRC - 8 x 2 Matrix 1-Pole
1030-R-8-2-1-5/1D
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
Sensirion SHT31-DIS-B Humidity and Temperature Sensor Breakout Board
SEN-37002-H
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Breakout board for the Sensirion SHT31-DIS-B. 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
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
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
500 Watt DC/DC Converter, 3U VPX, VITA 86 High Altitude
VPX57C
DC Converter
NAI's VPX57C is a rugged and high-performance 500-Watt Output +270 VDC Input 3U VPX DC/DC converter designed for aerospace, defense, and industrial markets. It is an off-the-shelf power supply ideal for high altitude operations such as orbit launch vehicles or Fighter-Grade applications that plugs directly into a standard VPX conduction cooled chassis utilizing a VITA 86 connector. The power supply, engineered to meet extremely harsh environmental conditions, features continuous Background Built-In-Test (BIT), I2C communication, remote error sensing, and protection against Input transients, over-voltage, over-current, and short-circuits, ensuring reliable and consistent performance.
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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
SparkFun Pressure Sensor Breakout
MS5803-14BA
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This is the MS5803-14BA Pressure Sensor Breakout, a high resolution pressure sensor with both an I2C and SPI interface. This MEMS pressure sensor measures the absolute pressure of the fluid around it which includes air, water, and anything else that acts like a viscous fluid. Depending on how you interpret the data, you can determine altitude, water depth, or any other tasks that require an accurate pressure reading. What makes the MS5803-14BA unique is the the gel membrane and antimagnetic stainless steel cap that protects against 30 bar water pressure.
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Product
Barometric Pressure/Temperature/Altitude Sensor
BMP180
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This precision sensor from Bosch is the best low-cost sensing solution for measuring barometric pressure and temperature. Because pressure changes with altitude you can also use it as an altimeter! The sensor is soldered onto a PCB with a 3.3V regulator, I2C level shifter and pull-up resistors on the I2C pins.
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Product
VVDI Programmer
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MC9S08 series secured and unsecured , MC68 HC series (9) 12 secured and unsecured, MC9S12 series secured and unsecuredV850 series, H8X series, R8C series, R5F series, PCF79XX, EEPROM SPI, I2C, & mu WIRE, PIC 12F, 16F, 18F, Infineon TRICORE, Infineon XC2xxxx, Infineon XC164CS, ST10F series, ST7 series, STM8 series, ATMEL- Atmega 8, 48, 16, 32, 64, 128, 256, MPC560 series, SPC560 series, Fujitsu MB91F
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Product
I2C/SPI Exerciser and Protocol Analyzer
PGY-I2C/SPI-EX-PD
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Prodigy Technovations Pvt. Ltd.
I2C Protocol Analyzer and SPI Protocol Analyzer (PGY-I2C/SPI-EX-PD) are the Protocol Analyzers with multiple features to capture and debug communication between host and design under test. PGY-I2C/SPI-EX-PD is the leading instrument that enables the design and test engineers to test the respective I2C or SPI designs for its specifications by configuring the PGY-I2C/SPI-EX-PD as Master/Slave, generating I2C/SPI traffic and decoding the I2C/SPI protocol decode packets
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Product
Mixed Signal Oscilloscopes
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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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Product
Multipurpose Debug Board For EC
DB30 x86 Debug Module
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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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Product
Intel® Smart Display Module Large (Intel® SDM-L) With 8th Gen Intel® Core™ I7/i5/i3 Processor, HDMI And LAN
SDM500L
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The SDM500L is powered by the onboard 8th generation Intel® Core™ i7/i5/i3 processor with the Intel® Generation 9 HD Graphics chipset. The Intel® Smart Display Module-Large (Intel® SDM-L) measures just 175 x 100 mm and a maximum z-height of 1.6 mm, which is well-suited for ultra-slim displays. It can be easily connected to an SDM-compliant display via a high-speed PCIe x8 edge connector - which supports 4K resolution displays and video capture and has built-in USB 3.0, HDMI 2.0, DisplayPort 1.2, Serial TX/RX and I2C signals. With its excellent graphics performance and installation flexibility, the incredible signage module can satisfy diverse industry requirements and support a wide range of digital signage applications such as bedside terminals for hospital patients or factory automation solutions.
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Product
SparkFun Qwiic Micro:bit Breakout (with Headers)
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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. We've already attached headers to this version of the board so you don't need to worry about any soldering! 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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Product
SIMRC- 72 Pin Simm Socket
1090-001
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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
SIMRC - 16-Channel 1-Pole Multiplexer
1020-R-16-1-5/1D
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
1000W to 2500W- Single Output
RFE Series
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*1U High*Internal ORing FETs and Current Share*High Efficiency*I2C, PMBus™ Communication option
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Product
SparkFun Qwiic Single Relay
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Have you ever wanted to control something powerful or have you ever needed to turn on/off a high power device from your Arduino or another low powered microcontroller? The SparkFun Qwiic Single Relay provides you with the easiest to use relay yet. The Single Relay board can handle up to 5.5A at 240VAC for long periods of time and allows you to control large power loads with simple I2C commands. Utilizing our handy Qwiic system, and on-board screw terminals, no soldering is required to connect it to the rest of your system!
