I don't know the touch IC model. The six spring-loaded buttons are connected to the touch IC, which has only one port connected to the microcontroller. When no button is pressed, the touch IC always s...
[size=4]Haha, JD Logistics is awesome. I received it as soon as I arrived at the company this morning. I thought it would be quite small, but it turned out to be quite big. Haha, the workmanship is al...
[p=25, null, left][color=#000][font=Tahoma, Helvetica, sans-serif]Hello everyone! I have a problem and would like to ask you for help. [/font][/color][/p][p=25, null, left][color=#000][font=Tahoma, He...
Last weekend, when I continued to discuss the true color hardware circuit of VGA with my good friend Xiao Chen, he provided me with a very novel idea (at least I personally think so). [/font][/color][...
LTC3555 has 3 step down DC/DCs, and the other two are fine. But for the first DC/DC, according to the data sheet, it should have output when EN1 is high, and no output when it is low, but it is just f...
I want to buy an embedded board, maybe s3c2410 or something like that. I have a desktop computer, and if I buy a board, will the hardware be enough? Do I need to buy an emulator? What does an emulator...
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]
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[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]
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[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]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
Don’t just look at the power when choosing a power supply
We know that a power supply with a low rated power can hardly meet the power supply needs of the system, which may cause frequent free...[Details]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]
1 Introduction
With the development of computer technology and information technology in the world, the global information age has arrived. All countries are formulating their own development p...[Details]
When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility?
1. The following systems should pay special attention to anti-...[Details]
Fairchild's FAN6208 is a synchronous rectification (SR) controller for isolated LLC or LC resonant converters that can drive two individual SR MOSFETs emulating the behavior of rectifier diodes. FAN62...[Details]
If users want to extend the effective use time of the battery, in addition to ensuring the quality of the charger, correct charging techniques are also essential. Here are 14 tips for charging mobile ...[Details]