Resistive Sensors and Arduino: Analog Input, Digital Output
Resistive Sensors
Resistive sensors are variable resistors that change their resistance depending on the values of an external physical magnitude.
Examples:
- LDR (Light Dependent Resistor): Changes resistance in an inversely proportional way to the amount of light it receives.
- Thermistor: Its resistance changes when the temperature changes.
- Potentiometer: The resistance changes when you turn a movable terminal.
When connected as above, using another resistor (a fixed one) in series, the change in resistance
Read MoreVoltage Regulators: History, Function, and Types
What are Voltage Regulators?
Voltage regulators are essential components in electronic circuits, designed to maintain a constant output voltage regardless of fluctuations in the input voltage or load conditions.
Origin of Voltage Regulators
The development of voltage regulators began with the need to simplify the process of delivering a regulated voltage in the shortest time possible. With each advancement, the design became much easier, and energy loss was minimized.
Inventor: Fairchild Semiconductor
Voltage
Read MoreMemory Management Techniques: Swapping, Paging, and Virtual Memory
Memory Management Techniques
Main Memory: Necessary for operations to reduce the number of I/O operations to secondary storage.
OS Memory Management: Function: to keep the largest number of resident processes, enabling the maximization of resource sharing between processes and other computational tasks.
Strategies for Loading Programs into Main Memory
- Best-fit: The best partition is chosen, selecting a partition where the program leaves the smallest amount of unused space.
- Worst-fit: The worst partition
Essential Industrial and Construction Terms
Construction and Engineering
Jib (Brazo): The arm of a mechanical crane.
Ballast (Lastre): Heavy material placed in the hold of a ship or the gondola of a balloon to enhance stability.
Beams (Viga): Any rigid member or structure loaded transversely, e.g., a wooden, metallic, or stone bar to support a building’s roof.
Borderline (Línea Divisoria): A line that establishes or marks a border.
Buffering (Amortiguación): The act of lessening or absorbing the shock of an impact.
Crane (Grúa): A device for
Read MoreAutomotive and Mechanical Terminology: A Comprehensive Glossary
Automotive and Mechanical Terminology
AIRBORNE (aerotransportado, en el aire): Carried by or through the air.
AT FULL THROTTLE (a todo gas): The state in a vehicle engine when there is the maximum acceleration power.
BLOW UP (estallar): To explode.
BRAKE PADS (pastillas de freno): A thin block which presses on to the disc in a disc brake.
BUMP (choque): A blow or collision.
CAM (leva): An eccentric or multiply curved wheel mounted on a rotating shaft, used to produce variable or reciprocating motion in
Read MoreMFS File System Functions: Write, Inode Retrieval, and Directory Operations
MFS File System Functions
mfs_write Function
Function Signature: int mfs_write(int fd, void *buf, size_t count)
This function writes data to a file within the MFS file system. It takes a file descriptor fd, a buffer buf containing the data to write, and the number of bytes count to write.
Functionality:
- Checks if the file descriptor is valid.
- Verifies if the file is opened.
- Adjusts the write count if it exceeds the file’s remaining capacity.
- Calculates the starting position and block number for writing.