Abstract: This paper introduces the new features of the single-wire digital temperature sensor DS18B20 of DALLAS Company of the United States based on its predecessor DS1820, and the detailed interfac...
How should I read this circuit diagram? I have almost forgotten all the knowledge about transistors. I have been cramming recently. In the initial state, each avalanche transistor is in the cut-off st...
In many electronic circuits, especially some small signal amplifier circuits, the power supply often adds a first-stage transistor electronic filter . Its circuit structure is shown in Figure J1. Assu...
I designed an AD sampling system, using the AD6645ASQZ-105 AD conversion chip. However, after making the circuit board according to the data sheet, the AD chip became hot after a while after powering ...
In the PLATFORM\SMDK2442\Src\Common\Intr_dvs\intr.c function of wince5.0, there are: extern void DVS_ON(void); extern void DVS_OFF(void); extern void ChangeVoltage(int); extern int GetCurrentVoltage(v...
I designed a circuit, the single-chip MSP430fg4618 and MSP430f2418 communicate directly through the serial port, and a 485 conversion chip is connected to the serial port. The schematic diagram is sho...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
All electronic design engineers and scientists have performed electrical signal analysis, or signal analysis for short. Through this basic measurement, they can gain insight into signal details and...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
1. Introduction
At present, most lighting equipment still uses traditional energy for lighting. Making full use of solar energy as the energy supply for lighting equipment is of great si...[Details]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
Overview:
This paper introduces a method of connecting a CAN-bus network with Ethernet to form a medium-sized remote monitoring/data transmission network.
CAN (Controller Area Network) is ...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
Many battery-powered systems require a visual indicator to show when the battery needs to be replaced. LEDs are commonly used for this purpose, but they consume at least 10mA of current. This con...[Details]