Walkie high-accuracy data collecting system with LCD human-computer interaction function
#data collection
#LCD display
#human-computer interaction
#sensors
#high-accuracy
#measurement
#instrumentation
#microcontroller
#analog-to-digital converter
#user interface
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µP-Controlled Oscillator Delivers Rock-Bottom Distortion
Function generators are essential in the design, testing, and operation of encoders, modulators, demodulators, and measurement instruments. This document presents an economical method to construct a bus-controlled sinewave oscillator that exhibits exceptionally low distortion. The circuit produces a sinusoidal output...
Water Level controller
The microcontroller-based water level controller and motor protector manages the on and off states of the motor based on the water level in the overhead tank (OHT). It regulates the tank's water level through a microcontroller, thereby providing automatic protection...
Automatic Switch Project 2
The switch control system utilizes sensors to inform the microcontroller of the trains' positions on the layout. This ensures that only one train occupies the main line at any given time and that switches are correctly set for the train's...
POWER LINE MODEM FOR COMPUTER CONTROL
This circuit employs an 87C57 microcontroller along with several peripherals to convert X-10 power-line carrier-code formats from a personal computer for use with an X-10 power-line interface in a home-control system. Software details can be found in the reference.
The circuit...
DC motor driver for DCMP(AVR-008)
A microcontroller is used to control various types of DC motors, including permanent magnet DC motors, DC servo motors, and stepper motors. This project utilizes the AVR-008 microcontroller from Circuits-Home, which is frequently referred to as the 3-in-1 driver motor...
Large Lcd Display Buffering Driver Circuit
Large LCD devices with one or more displays exhibit significant driving capacitance to the driver circuits. To address this issue, the drive circuit incorporates a buffer amplifier for each of the three common lines. Each amplifier can be programmed independently...
Handy Cricket Hardware Description
This document presents an overview of the hardware design of the Handy Cricket.
The Handy Cricket is a compact electronic device designed for educational and recreational purposes, primarily aimed at children. The hardware design incorporates various components that work together to...
Advances in Measurement & Sensor Tech
This issue features articles on various measurement and sensor-related embedded design projects. Readers are encouraged to attempt similar projects and share their results. Starting on page 14, Petre Tzvetanov Petrov describes a multilevel audible logical probe design. Petrov notes that...
Power supplies for microcontroller based projects
This document discusses the use of small microcontrollers, such as those from the PIC and Atmel series, which typically operate at 5V and require less than 100mA for complete system functionality. Some PICs can function at lower voltages, such as...