I have been searching for a long time, but still failed to modify the existing driver. What exactly do deviceid and other things need to be changed? I checked the chip manual but found no difference. ...
I happened to be free today and saw this activity. It also happened that a scanner in my company broke recently, so I happened to dismantle it. :loveliness: Not much to say, just do it, here are the p...
[i=s]This post was last edited by dontium on 2015-1-23 11:13[/i] To summarize the benefits of differential signals: 1. Strong anti-interference ability, interference noise is generally equal; 2. Can e...
I am using FM1208 chip. The problem is 1. The external authentication key is locked and reports error 6983. How to unlock FM1208? 2. All instructions cannot be executed normally, that is, error 6581 i...
In the attached picture, the S terminal is connected to a photosensitive diode, which changes the frequency of the X1 terminal according to the intensity of light. Generally, NE555 is the most practic...
[color=rgb(0,0,0)][backcolor=rgb(209,217,226)]I saw an article about TVout in the "Radio" magazine and was very interested. So, I'll put everything else aside and just play with it for a bit to satisf...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[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 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data, the...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[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]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[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]
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]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]
The era of mobile access to the Internet has arrived, and it will rapidly change the business and infrastructure needs of mobile operators under a whole new trend of requirements. We need 4G LTE to...[Details]
Real-time operating system RTOS
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