I2C Sensor Examples

  • Differential Pressure Sensor (SDP611)
  • IR Temperature Sensor (MLX90614)
  • SHT3x Temperature and Humidity Sensor.
  • Adafruit 10-DOF IMU Breakout.
  • Accelerometer & Compass Module (LSM303)
  • Compass (LSM303)
  • Accelerometer (LSM303)
  • Accelerometer (ADXL345)

Besides, What does I2C mean?

I2C stands for Inter-Integrated Circuit. It is a bus interface connection protocol incorporated into devices for serial communication. It was originally designed by Philips Semiconductor in 1982. Recently, it is a widely used protocol for short-distance communication. It is also known as Two Wired Interface(TWI).

Keeping this in mind, Where is I2C used? I2C Communication

The I2C bus protocol is most commonly used in master and slave communication wherein the master is called ā€œmicrocontrollerā€, and the slave is called other devices such as ADC, EEPROM, DAC and similar devices in the embedded system.

Which is the I2C messaging example?

Which is the I2C messaging example? Explanation: The 24c32 EEPROM, which uses two request bytes that are called Address high and address low. These bytes are used to address bytes within the 32 kbit supported by that EEPROM. 10.

Is I2C digital or analog?

The Inter-Integrated Circuit Bus (I2C) is a synchronous serial data communication bus in which the master initiates the communication and the slaves are controlled by addressing. In this design, the benefits of the PCA9605 IC are exploited. …

What is I2C and how it works?

I2C is a serial communication protocol, so data is transferred bit by bit along a single wire (the SDA line). Like SPI, I2C is synchronous, so the output of bits is synchronized to the sampling of bits by a clock signal shared between the master and the slave. The clock signal is always controlled by the master.

What is difference between I2C and SPI?

I2C and SPI both are bus protocol to allow the

user for short-distance, serial data transfer

. I2C is two-wire communication made by Philips (Nowadays NXP) and SPI is made by Motorola.



Difference between I2C and SPI ( I2C vs SPI ), you should know.

I2C SPI
I2C is better for long-distance. SPI is better for a short distance.
I2C is developed by NXP. SPI is developed by Motorola.

What is another name for I2C?

Explanation: The i2c protocol also known as the two wire interface is a simple serial communication protocol that uses just pins of a microcontroller namely SCL and SDA.

Is I2C still used?

I2C is a serial protocol for two-wire interface to connect low-speed devices like microcontrollers, EEPROMs, A/D and D/A converters, I/O interfaces and other similar peripherals in embedded systems. It was invented by Philips and now it is used by almost all major IC manufacturers.

What is the use of SPI and I2C?

Both SPI and I2C offer good support for communication with low-speed devices, but SPI is better suited to applications in which devices transfer data streams, while IĀ²C is better at multi master ‘register access’ application.

What are the advantages of I2C over SPI?

I2C supports multiple devices on the same bus without any additional select lines (work on the basis of device address). SPI requires additional signal (slave select lines) lines to manage multiple devices on the same bus. I2C is better for long-distance. SPI is better for a short distance.

What are the four I2C modes of operation?

The I2C module may be configured to operate in the following modes: I2C slave, 7-bit addressing, I2C slave, 10-bit addressing, and. I2C master, 7- or 10-bit addressing.

Which of the following is the example of a short range wireless network?

Examples of short-range wireless communications are Bluetooth, infrared, near field communication, ultraband and Zigbee.

Which are the two lines used in the I2C?

Explanation: The I2C bus consists of two lines which are called SDA and SCL. The master and slave devices are attached to these lines.

Is I2C an analogue?

The I2C-DAC board is a 6-pin CMOS 8-bit digital-to-analog converter device using I2C bus. There are no external components required.

Is I2C digital?

The Inter-Integrated Circuit (I2C) Protocol is a protocol intended to allow multiple “peripheral” digital integrated circuits (“chips”) to communicate with one or more “controller” chips.

What is the difference between I2C and UART?

I2C, however, uses a master/slave configuration that uses clock signals to help synchronize the data being read or transmitted by the devices. UART, on the other hand, is hardware that is responsible for implementing asynchronous serial data streams for point to point connection and includes no clock signal.

How does I2C protocol work?


Basics

  1. Start Condition. To initiate the address frame, the controller device leaves SCL high and pulls SDA low. …
  2. Address Frame. The address frame is always first in any new communication sequence. …
  3. Data Frames. …
  4. Stop condition. …
  5. 10-bit Addresses. …
  6. Repeated Start Conditions. …
  7. Clock Stretching.

How does I2C LCD work?

In such situations, I2C LCD comes handy making use of only 2 pins (SDA & SCL) to talk to MCU, thereby saving atleast 4 pins. If you already have I2C devices, this LCD module actually uses no more pins at all. … He does the work using an I/O expander PCF8574, that communicates with the micro-controller by I2C.

Where is I2C communication used?

I2C Communication

The I2C bus protocol is most commonly used in master and slave communication wherein the master is called ā€œmicrocontrollerā€, and the slave is called other devices such as ADC, EEPROM, DAC and similar devices in the embedded system.

Which is better to use I2C or SPI?

Overall, SPI is better for high speed and low power applications, while I2C is better suited for communication with a large number of peripherals, as well as in situations involving dynamic changing of the primary device role among peripherals on the I2C bus.

What is the difference between SPI UART and I2C protocol?

The SPI interface is synchronous serial data transmission between the CPU and the peripheral low-speed device. … It is full-duplex communication, and the data transmission speed is overall faster than the I2C bus and can reach speeds of a few Mbps.

What is I2C controller?

IĀ²C (Inter-Integrated Circuit) Controller is a two-wire, bi-directional serial bus that provides simple and efficient method of data transmission over a short distance between many devices. Avalon compliant IĀ²C Controller provides an interface between Nios II processor and IĀ²C device.