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Experimental Principle
Let's take a look at the hardware schematic first. We can see that the pins for controlling the stepper motor are: GPIO6 , GPIO6 , GPIO6 and GPIO1 . A four-phase five-wi...[Details]
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Method 1: Find a transistor with β≥250 (small penetration current is required). If you can't find it for the time being, you can use two transistors of the same model to form a Darlington form, as ...[Details]
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I have been exposed to some Arm programs before, but I just modified them briefly. When using the serial port, I found that its settings were related to the clock. Because I just wanted to complete t...[Details]
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The high-definition wave of video surveillance has not subsided, and it has risen again. Product planning needs to find reliable technical solutions to support it. Although the pure IP surveillance c...[Details]
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Policies have frequently shown favorability towards the automotive industry. The economic restart urgently needs to be driven by "pillar industries" with high industrial correlation and strong driv...[Details]
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According to foreign media reports, Ernie Brookins, an inventor in West Fargo, USA, announced that his clutch and transmission may obtain a "perpetual motion machine" patent from the US Patent and Tr...[Details]
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■ Diode
Inside the power supply, different types and specifications of diodes are used depending on the requirements of each circuit and the output size. In addition to the general silicon diodes...[Details]
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Recently, the final list of winners of the 2019 "IoT Star" China IoT Industry Annual Selection was officially released. As an annual selection event that has attracted much attention in the IoT field...[Details]
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What is the response time of a PLC?
What is the difference in response time when the output uses cyclic refresh and direct refresh?
The time required from when the PLC receives an i...[Details]
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This charger has the following features: 1. Constant current charging and interspersed with high current discharge, the constant current charging current is about 300mA, the discharge current incre...[Details]
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In order to alleviate the energy problem, on the basis of being fully compatible with the existing power supply system, the system uses wind and solar energy to replenish electricity, and comes wit...[Details]
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The Donghai Bridge is China's first cross-sea bridge, and we use a system consisting of multiple PXI chassis to obtain important data tracking the structural integrity and current condition of the br...[Details]
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On March 25, the Jiangsu Provincial Development and Reform Commission officially approved the fifth 500 kV cross-river channel of the Jiangsu Power Grid, the Fengcheng-Meili Transmission and Transf...[Details]
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/************************** Resources used by the file 1. Port: P0.0, P0.1 2. Call delay_ms function ******************************/ #define TIME 1 #define display_TIME 1000 sbit CS=P1^0; //Chip sel...[Details]
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The servo motor encoder is an important part of the servo motor system. Its role and function have a vital impact on the stability, accuracy and reliability of the entire system. This article will ...[Details]
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