io page
The I2C expansion board is designed to facilitate the integration of multiple input or output devices with minimal wiring complexity. By utilizing the I2C (Inter-Integrated Circuit) communication protocol, this board allows microcontrollers to interface with up to eight individual switches or LEDs seamlessly. The board operates on a two-wire system, consisting of a Serial Data Line (SDA) and a Serial Clock Line (SCL), which significantly reduces the number of required connections compared to traditional methods.
Each switch or LED can be independently addressed, allowing for versatile applications in various electronic projects. The board typically includes pull-up resistors on the SDA and SCL lines to ensure proper signal integrity and communication reliability. Additionally, the use of I2C means that multiple devices can be connected on the same bus, enabling scalability and flexibility in system design.
The integration of this I2C expansion board into a microcontroller-based project can simplify the design process, reduce physical space requirements, and improve overall system efficiency. It is particularly beneficial in applications where space is limited or where numerous I/O connections are needed without the complexity of additional wiring. The board can be utilized in various applications, including home automation, user interface designs, and educational projects.
In summary, this I2C expansion board serves as a practical solution for connecting multiple switches or LEDs to microcontrollers, streamlining the design process while maintaining functionality and ease of use.This I2C expansion board for microcontrollers allows you to connect 8 switches or 8 LEDs with only two wires.. 🔗 External reference
Related Circuits
The circuit operates but exhibits instability, particularly with temperature variations. For example, upon powering it on and tuning it, switching it off and on again affects its performance. The control voltage (CV) output is essential for the theremin/controller circuit....
This is one of the smallest and most compact FM transmitters available as a construction project, with the added benefit of being offered as a complete kit of parts. This convenience eliminates the need to source components from multiple...
The hardware consists of an Arduino board connected via USB to a laptop, which recognizes the Arduino as a serial device. Three LEDs (red, green, blue) are mounted directly on the Arduino board using a prototyping shield. The schematic...
This is an attempt to create a simple and compact photovore. Although it may not be visually appealing, it serves as a good starting point for beginners. It is a personal version of the Dozer photovore. The latest robot...
A digital micro-ohm meter is essential for assessing the condition of shunts used in the Electrochemical Analysis & Diagnostics Laboratory (EADL) at Argonne National Laboratories. A shunt is essentially a small resistor utilized for current measurement. The micro-ohmmeter will...
When activated, the transmitter emits a 49.890-MHz AM RF carrier signal. The receiver detects, amplifies, and decodes the RF signal, which subsequently activates a piezo buzzer. The receiver is compact enough to be carried in a pocket or placed...