Shanghai Hanhe Electronic Technology Co., Ltd. is a high-tech enterprise specializing in EMS processing business. The factory is located in Xidu Industrial Zone, Fengxian District, Shanghai. It is joi...
[size=14px]Tools you need:[/size] [list] [*]A BBC micro:bit, including the battery box[*]A Chinese thermal printer, available from Pimoroni, Sparkfun, Adafruit[*]A 5-9v 2A DC printer power supply[*]Du...
I am currently learning about BSL, and hope to use P3.4 and P3.5 of 5438a to enter BSL mode in UART mode by accessing the Z-area and finally modify the program in 5438a. Now I see that the second page...
MOS tube is a kind of FET, which can be made into enhancement type or depletion type, P type or N type. No matter which one, its working principle is essentially the same. There are many types and fun...
In the MSP430 program: TACCR0 = 0; TACTL = MC_0; What does TACCR0 = 0 mean in these two statements? What function does it achieve? Does it stop the TA timer?...
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
LED is the abbreviation of the English word. Its main meanings are: LED = Light Emitting Diode, a solid-state semiconductor device that can convert electrical energy into visible light. It can dire...[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]
Designing low power circuits while achieving acceptable performance is a difficult task. Doing so in
the RF
bands increases the challenge dramatically. Today, nearly everything has wireless...[Details]
Current sensing in automotive applications includes controlling the current through solenoids and injectors. For example, during diesel injection, we rapidly increase the current to the induction i...[Details]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
High-voltage switches are important control equipment in power systems and play an important role in the safe operation of power grids. The resistance of the switch conductive loop is an important tec...[Details]
0 Introduction
The PTZ controller designed with a single-chip microcomputer as the core can control the camera to move over a large range and at a wide angle in monitoring situations, so that ...[Details]
1. Problems with the current transformer maintenance method
The current maintenance method for transformers is to deal with defects during regular maintenance and patrol inspections. There...[Details]
Fragment velocity is an important parameter for evaluating the explosive effectiveness of warheads. Traditional range fragment velocity measurement systems mostly use multi-channel data acquisition...[Details]
Designing with FPGA, DSP or microprocessor is a critical part of the design and also takes the most time. System-level designers can benefit greatly by focusing their main efforts on system design, an...[Details]