Best I2c Interface

KEYESTUDIO 16-Channel 12-bit Servo Motor Driver Board I2C Interface for Arduino

This expansion board can directly stack on the controller R3 board and can drive up to 16 servos.
Uses I2C input, just occupy A4 and A5 interface on the control board.
Contains PCB double sided holes, can direct to solder with components to build up prototyping circuits.
Servo power supply independent V + input up to 6V.
How to use: Search for "keyestudio wiki KS0258" in Google Chrome to get the wiki online tutorial for this product..

It is 5V compliant, which means you can control it from a 3.3V microcontroller and still safely drive up to 6V outputs (this is good for when you want to control white or blue LEDs with 3.4+ forward voltages)..
Communication Interface: IIC, PCA9685 contain an I2C-controlled PWM driver with a built-in clock..
6 address select pins so you can wire up to 62 of these on a single i2c bus, a total of 992 outputs..
12-bit resolution for each output - for servos, that means about 4us resolution at 60Hz update rate..
16 Channel PWM/Servo Driver IIC interface-PCA9685 for arduino or for Raspberry pi shield module servo shield..

Heart Rate Click carries Maxim's built-in MAX30100 pulse oximetry and heart rate sensor..
It is an optical sensor that derives its readings emitting two wavelengths of light from two LEDs..
A red and an infrared one - thus measuring the absorbance of pulsing blood through a photoelectric cell..
This particular combination of LED colors is optimized for reading data through the tip of a finger..
The signal is processed by a low-noise analog signal processing unit and communicated to the target MCU through the mikroBUS I2C interface..

Recognizable Objects: Human Body (upper body). Sphere (orange table tennis ball and tennis ball). 4 Sets of Customized 20 Cards included in the package: 5 traffic cards, 5 shape cards, 10 number cards, 8 color cards. Color Blocks. Etc..
Programming IDEs: Arduino, makecode, MuEditor, mixly, mind+, mPython, mpythonx.
MU3 WIFI Smart Vision Sensor, AI Module, Motion Detectors, for Robotics, Object Tracking, Industrial & Scientific Test, Measurement & Inspection, STEM educational Tool.

Raspberry Pi Pico is Raspberry Pi's first microcontroller board, designed especially for physical computing.
It can be easily reprogrammed over USB from a Raspberry Pi or other computer using the C/C++ SDK or the official MicroPython port.
Pico RTC HAT is a Real-Time clock expansion module with the powerful IC DS3231..
Stackable design with fast I2C interface..
Pico RTC hat is specifically made to work with the Raspberry Pi Pico Board.

What you will get: you will get 2 OLED display modules with classic display colors, self illumination with no need of backlight.
Power-saving display: the I2C OLED display performs better than the traditional LCD display and with lower consumption the IIC (I2C communications)....
More details: this I2C LCD display is compatible with Arduino, ESP8266, ESP32, STM32, etc., 3.35V power.
Operating temperature: -40 - 85 degree....
Good compatibility: this I2C OLED display module is compatible with Raspberry Pi 4B/ 3B+/ 3B/ 2B/ Zero, compatible with Arduino, also compatible with....
Product manual: as shown in the instructions.

Brand new original ADXL345 chip, quality assurance.
According to the 16-bit two's complement format, it can be accessed through the digital interface SPI (3-wire or 4-wire) or I2C.
ADXL345 is very suitable for mobile device applications. It can be used for tilt sensing applications while measuring static acceleration of gravity,....
With high resolution (13 bits) measurement up to ±16g. The digital output data is in 16-bit two-valued complement format, which can be passed through....
Communication method: IIC / SPI communication protocol.

The MPR121 is a capacitive touch sensor controller driven by an I2C interface..
The chip can control up to twelve individual electrodes, as well as a simulated thirteenth electrode..
The MPR121 also features eight LED driving pins..
Low power operation, 1.71 V to 3.6 V supply operation..
29μA supply current at 16 ms sampling interval period..

Si5351A clock generator is an I2C controller clock generator. It uses the onboard clock to drive multiple PLLs and clock dividers through I2C instructions. By setting for and divider, you can make precise arbitrary frequencies..
Most importantly, we even provide excellent tutorials and libraries to help you get started! Our is designed to work for microcontrollers and IDEs, but it can be easily ported to your favorite platform through I2C support..
With the breakthrough for Adafruit's Si5351A clock generator, you will never look for another crystal! The chip has an accurate 25MHz crystal reference voltage source and internal for and frequency divider, so it can generate almost any frequency, from 003c8KHz to 150+ MHz..
There are three independent outputs, and each output can have a different frequency. Through a breadboard friendly plug or optional SMA connector, the output is 3Vpp..
Such convenient small chip is put on its own breakout board PCB, with 3.3V LDO regulator, so it can be powered by 3-5VDC. We also placed a level circuit on the I2C line, so you can safely use the chip under 3V or 5V logic..

The ADXL345 is a small, thin, ultra-low power 3-axis accelerometer with high resolution (13 bits) and measurement range of ± 16g..
The digital output data is in 16-bit twos complement format and is accessible via SPI (3-wire or 4-wire) or I2C digital interface..
Its high resolution (3.9 mg / LSB) enables measurement of tilt angle changes of less than 1.0 °.
Low-power mode supports motion-based intelligent power management for threshold sensing and motion acceleration measurement with very low power consumption..
The ADXL345 is perfect for mobile device applications. It measures static gravitational acceleration in tilt detection applications as well as dynamic acceleration due to motion or impact..