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Mobile phone crystal 3.2*2.5mm 3225 26M (26.000MHZ)
Single chip microcomputer STM32L151CCU6
MOS power IC full range
RF cable can be customized for other specifications
Today, I want to share an "engineer-level" trick that many product developers might know. These are special "codes" or commands that engineers can access to test or modify device behavior. Let me start by showing you how to unlock one of these hidden features on an iPhone.
If you're not sure where to look, focus on the upper-left corner of your screen—this is where the signal strength is usually shown. Normally, it’s a series of dots or bars, but there’s a way to change it to a number. This is done through an engineer-level command. Here's how:
- Open the iPhone dial pad.
- Enter: *3001#12345#* and press the dial button.
- You’ll see the Field Test app open.
- Now, the signal strength will show as a negative number (in dBm). However, if you exit the app, it will revert to the default display.
- To keep it visible, hold the power button until the “Slide to Shut Down†screen appears, then press the Home button to return to the home screen. Now, the digital display stays on!
Once activated, you can toggle between the two modes by tapping the top-left corner. It’s a cool feature that gives more precise control over signal strength. Try it out and see how it works for you!
Speaking of engineer-level tricks, there's also a method to "clone" a Ford remote key using a similar approach. But before I go into the steps, I must stress: this technique should never be used for illegal purposes. It's important for Ford owners to stay aware and protect their keys.
The process involves two Ford cars with remote key functionality (let's call them Car A and Car B), both within 10 meters of each other. Here’s how to do it:
- Grab both remote keys and insert one (say, Car A) into the ignition.
- Turn the key from "OFF" to "ON" eight times, ending at "ON". Do this quickly within 10 seconds.
- Press any button on the remote key. You now have 20 seconds to proceed.
- Press a button on the second remote key (the one you want to copy). Again, you have 20 seconds to complete the process.
- Finally, turn the key back to "OFF". Now, the copied key should work on the other car.
This trick can be handy if you often mix up keys, but remember—always protect your own keys and don’t misuse this knowledge. Stay smart, stay safe, and enjoy exploring these hidden features!
Industrial PC
Industrial PC, specifically designed for harsh industrial environments, possess many notable features. Industrial PCs have excellent stability and can operate stably for a long time under harsh conditions such as high temperature, humidity, and dust, ensuring that the production process is not disturbed. Its strong anti-interference ability is another highlight, which can effectively resist electromagnetic interference and power fluctuations, ensuring the accuracy and reliability of data transmission. Industrial computers also have a high degree of durability, with a sturdy casing and protective design that can withstand impact and vibration. In terms of performance, it has efficient computing power and fast data processing speed, which can easily cope with complex industrial control and monitoring tasks. For example, in automated production lines, industrial computers monitor the real-time operation status of equipment, timely detect and solve problems; In the intelligent warehousing system, precise management of goods in and out of storage improves logistics efficiency.
The application fields of Industrial All-In-One PC are very extensive. In the manufacturing industry, it is the core control equipment of automated production lines, accurately controlling various machines, improving production efficiency and product quality. In the field of intelligent warehousing and logistics, it is possible to achieve rapid sorting of goods, inventory management, and real-time tracking of logistics information. In the medical industry, industrial all-in-one pcs are used for the control and data acquisition of medical equipment, such as medical imaging equipment, ward monitoring systems, etc. In the field of energy, it plays an important role in power monitoring, petrochemical production, and other aspects to ensure the safety and stability of energy production. In addition, the signal control and intelligent transportation management of rail transit in the transportation industry also rely on industrial integrated machines. For example, in automobile manufacturing factories, industrial all-in-one machines help achieve the automation process of automobile assembly; In large hospitals, all-in-one pcs ensure the stable operation of medical equipment and accurate recording of data.
Industrial Panel PC play a crucial role in numerous extreme environmental scenarios due to their wide temperature characteristics. In the cold northern factory workshop, even if the temperature is extremely low, it can still operate stably, used for monitoring and operating production equipment, real-time display of equipment operating parameters, and convenient for workers to adjust and maintain in a timely manner. In the hot desert areas of the power industry, wide temperature protection ensures its normal operation under high temperatures, used for remote monitoring and scheduling of substations, to ensure the stable operation of the power system. In mine operations with large temperature differences, it can also adapt and provide safety monitoring data and communication support for workers. For example, in extremely cold cold storage, industrial panel computers can accurately control temperature and inventory management; Real time monitoring of production processes in high-temperature steel plants.
In intelligent security monitoring systems, Fanless Panel PC play a crucial role, demonstrating excellent adaptability and reliability. Firstly, in the monitoring center, fanless industrial computers can undertake centralized processing and analysis tasks for a large amount of video data collected by surveillance cameras. Its powerful computing power can quickly identify and filter out abnormal behavior, suspicious individuals or vehicles, and issue alerts in a timely manner. Due to the absence of noise generated by fan operation, it will not interfere with the working environment of monitoring personnel, allowing them to focus more on handling emergency situations. Secondly, in outdoor monitoring equipment, the fanless design effectively prevents foreign objects such as dust and insects from entering the computer interior, reducing the risk of equipment failure. Whether in hot summers, cold winters, or even harsh weather conditions, fanless industrial computers can operate stably, ensuring uninterrupted transmission and storage of monitoring data. Furthermore, in scenarios such as border security and important facility protection, fanless industrial pcs can work in conjunction with intelligent recognition software and sensors. For example, in border areas, it is possible to accurately identify illegal cross-border activities; Real time monitoring of unauthorized access around important facilities. For example, in the security monitoring system of a large commercial park, fanless industrial panel pc can not only process high-definition video streams from hundreds of cameras 24 hours a day without interruption, but also automatically distinguish between normal personnel activities and potential security threats, such as abnormal intrusion or abnormal stay at night, through intelligent analysis algorithms. In some remote monitoring stations, their fanless and low-power characteristics enable equipment to operate reliably even under unstable power supply conditions such as solar or wind energy.
In the field of intelligent transportation, Embedded Computer are installed in road monitoring equipment. For example, at toll stations on highways, computers are embedded in control boxes to process vehicle information in real-time, achieving rapid toll collection and traffic management. In terms of medical equipment, such as large X-ray machines and industrial computers embedded in the body, precise control of radiation emission and image acquisition and processing provides accurate diagnostic basis for doctors. On industrial automation production lines, embedded industrial computers are installed in the control unit of the robotic arm to accurately command actions, ensuring efficient and high-quality production of products. In addition, industrial computers are embedded in the intelligent distribution cabinets of the power system to monitor power parameters in real time and ensure the safe and stable operation of the power grid.
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Shenzhen Hengstar Technology Co., Ltd. , https://www.angeltondal.com