[i=s]This post was last edited by 574433742 on 2015-6-16 13:31[/i] I have heard of this magical thing called Arduino before. It is the treasure of makers. As someone who only knows a little bit of C l...
I have a question for you all, what protocol does the POS receipt printer use?
I recently worked on a project in which I used STM32F407 to receive printer data captured by a USB packet capture module ...
How to generate negative voltage? 1. Charge pump provides negative voltage. TTL level/232 level conversion chip (such as MAX232, MAX3391, etc.) is the most typical charge pump device that can output n...
I tried to unlock it with JLINK but it still didn't work. I was so frustrated. The error message was as followsIs there any expert who knows how to unlock it? Please give me some guidance. I have trie...
A ventilator is an instrument that can replace or assist a person's respiratory function. It is suitable for artificial respiration of patients with respiratory failure or even respiratory arrest. I...[Details]
introduction
Oxygen is an important substance for human metabolism. Brain tissue has a high metabolic rate and consumes about 20% of the total oxygen in the body. In the clinical rescue and ...[Details]
Pulse oximeters, non-invasive instruments used to monitor a patient's blood oxygen saturation, are benefiting from moving away from expensive discrete component solutions toward more integrated design...[Details]
At present, the global medical electronics industry is gradually showing attractive development prospects, and the speed of product replacement is constantly increasing. At the same time, due to the p...[Details]
Implantable Cardivoerter Defibrillators (ICDs) have been in common use for several years. ICDs apply a high voltage pulse between two electrodes connected to the heart, which detects cardiac fibrillat...[Details]
Introduction: Design of automated test systems
Challenges
To ensure the quality and reliability of products delivered to customers, test managers and engineers use automated test system...[Details]
In the development of high-stability lasers, real-time monitoring of the working state of the laser is an issue that needs to be focused on. This system realizes the high-stability laser temperatur...[Details]
Today, as network technology becomes more and more popular, industrial field instruments, data acquisition and control equipment are becoming more and more networked, and the combination of industr...[Details]
Adding "intelligence" to measurement systems is becoming more common as 8-bit microcontrollers are inexpensive, widely available, and can be programmed using today's common high-level languages, su...[Details]
Lithium-ion batteries have a high energy-to-weight and energy-to-volume ratio, no memory effect, can be recharged many times, have a long service life, and are becoming increasingly cheaper. A good...[Details]
MOSFETs are widely used as power switching elements in regulators and motor controllers. They are available as discrete devices or integrated into ICs in various H-bridge configurations.
A hig...[Details]
1 Introduction
Reliability research originated from weapon systems. After nearly half a century of development, it has become an engineering discipline that covers all disciplines and industri...[Details]
Introduction: Generally speaking, the power supplies used to drive today's high-resolution analog/digital converters have AC or DC loads of hundreds of ohms or more. Therefore, an operational ampli...[Details]
At present, TPMS (tire pressure monitoring system) is mainly divided into two types, one is indirect type and the other is direct type. The direct TPMS system has been affected by its poor alarm ac...[Details]
Abstract:
This paper introduces the excitation system designed for 3/3 phase double winding induction generator, which is composed of DSP and FPGA. The interface circuit of the control sys...[Details]
MCU
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