simple real time clock using the pic16cxxx
#PIC16CXXX
#real time clock
#RTC
#microcontroller
#clock circuit
#timing
#embedded systems
#digital clock
#timekeeping
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Interface a uC to PC RS232 with MAX232A
This document outlines the standard configuration for interfacing a microcontroller, such as the 8051, with a PC using RS232 through the MAX232A. The UART or serial port was absent in the 8049 and 8749 microcontrollers, which were predecessors to the...
Hum Circuit
The kit employs an off-the-shelf microcontroller based on the AtMega328P-PU Arduino, along with a simplified version designed for ease of replication and modification by collaborators and students. This initiative aims to enable the fabrication of simplified microcontrollers for DIY synthetic...
Microcontroller Programming 2
For this week's assignment, a chip design was provided, and the task was to incorporate a button and an LED (light-emitting diode). The objective was to fabricate the chip and program it to interact with the light and button. Given...
Multitasking Pins circuit
It is entirely logical that low-cost miniature microcontrollers have fewer pins than their larger counterparts, sometimes too few. Consideration has been given to how to economize on pins by making them perform the work of several. It was noted that...
Interfacing RTC with Microcontroller
Steps involved in interfacing a Real-Time Clock (RTC) with a microcontroller. The RTC remains powered even when the device is turned off. The microcontroller must interface with the RTC to retrieve the data.
To interface an RTC with a microcontroller, several...
Alarm Digital Clock Schematic Diagram
After the SCL line is high, the SDA line must be held low to indicate that the data being transmitted is legally binding. The data can only change when the SCL line is low. During the transfer of a single...
Jet
The microcontroller is able to make about 7000 complete line-following decisions per second, which is almost 7 decisions per millimeter when the robot is going full speed. By upping the clock, unrolling loops, and removing my wireless debugging and extraneous...
Controlling high-current circuits
Digital output from a microcontroller is typically a low-amperage signal. For example, when a pin is set HIGH on the microcontroller (in Wiring/Arduino, it is digitalWrite(somePin, HIGH);), the voltage from that pin is usually +3.3V or +5V, with the current...
MICROCONTROLLER BASED AUTOMATIC ROOM LIGHT CONTROLLER
This project involves an automatic room light controller with a bidirectional visitor counter using a microcontroller. It is designed to manage room lighting and accurately count the number of individuals present. When a person enters the room, the counter increments...