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60W Bass Amplifier
Amplifier parts:
R1__________________6K8 1W Resistor R2,R4_____________470R 1/4W Resistors R3__________________2K 1/2W Trimmer Cermet R5,R6_______________4K7 1/2W Re...[Details]
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Due to the limitations of car shape and layout, if the car radar cannot avoid the direct impact of the low-speed collision pendulum, it is easy to be damaged by the collision. Based on the equivale...[Details]
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introduction
Fingerprint recognition refers to the recognition of the ridge-valley distribution pattern of the lines on the fingertip surface. This ridge-valley distribution pattern is for...[Details]
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1. Multimeter detection method For fixed capacitors above 0.01μF, the R×1k block of the multimeter can be used to directly test whether the capacitor has a charging process and whether there is a...[Details]
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(1) The transistor + pull-up resistor method
is a bipolar transistor or MOSFET, with a pull-up resistor connected to the positive power supply at the C/D pole. The input level is very flexible, and...[Details]
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Recently, the Shandong University Graduate Employment Information Network, Jinan Jiyang District Human Resources and Social Security Bureau and other channels released recruitment information of Jina...[Details]
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"Do you think it will be cooler after the rain? It's just a dry pot. Add some water and keep it steaming!" When friends in the circle of friends are joking about the current weather, and when every...[Details]
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The problem of mobile phone slowdown will definitely occur if you use the mobile phone for a long time. However, today's processors are obviously not a problem of computing power, so what is the core...[Details]
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现代核谱测量仪器的发展逐渐趋于便携化、小型化和智能化。虽然之前的便携式核谱测量仪器集成度较高，但是成本和功耗也相对较高，已满足不了现代野外核辐射探测的需求。笔者所设计的便携式多道核谱仪采用STM32F103 作为控制器，利用控制器自身携带的ADC 采样，对γ 射线进行数据采集，处理后通过液晶显示模块对谱线进行显示; 同时也可将测量的数据存储在存储卡中，用于电脑更加精确地离线分析( 利用设计的核谱...[Details]
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This section describes the interrupt handling of the ATmega8. For more general AVR interrupt handling, see P12 “Reset and Interrupt Handling”. Notes: 1. When the fuse bit BOOTRST is programmed, the...[Details]
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The figure shows a battery charging application circuit composed of a W317 three-terminal adjustable positive integrated voltage regulator. The circuit A in the figure shows a constant voltage curren...[Details]
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China Energy Storage Network:
At this stage, the electricity spot market has not yet been established, and the contradiction between the rapid development of new energy and the shortage of sy...[Details]
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Led by Professors Jiang Tang and Ted Sargent of the University of Toronto, Canada, and including researchers from King Abdullah University of Science and Technology in Saudi Arabia and Pennsylvania...[Details]
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With the acceleration of the pace of life, more and more smart vending machines have been added in high-speed railway stations, subway stations, and office buildings. An engineer contacted by Guoxi...[Details]
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Recently, the first PACK and the first batch of 162Ah batteries rolled off the production line at the Honeycomb Energy (Chengdu) Power Battery Manufacturing and Southwest R&D Base, located in the adva...[Details]
Test/Measurement
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