All Sections: The accountant hindi dubbed download MP4MOVIEZ - 4

31. A simple and fully automatic, 12V uninterruptible power supply system for small/medium power appliances
    Circuits Microchip PIC16F688
    .. supply system. Introduction This 12 V uninterruptible power supply initially designs to drive my fiber optic modem/router. The key reason to build this power supply is to get continuous internet and phone connection during power failures. ...
    .. of this MCU written using the Microchip XC8 compiler, and all the source code and configuration files are available to download at the project repository at GitHub [1]. The sealed 12 V lead-acid battery is the most crucial component ...
    Jul 22, 2021

32. Introduce a free PCB file checker - NextDFM
    Articles NextPCB NextDFM
    .. Why NextPCB created NextDFM? According to statistics, 60% of the product cost depends on the initial design of itself. 75% of the manufacturing cost depends on the design ...
    .. and without limits. 4. How to use NextDFM? 4.1 Installation Open https://www.nextpcb.com/nextdfm.html and click Free Download (see pic 4.1.1), it occupies 512M, please keep enough space for operation. (Please note that NextDFM is ...
    Jun 7, 2021

33. Design low-duty-cycle timer circuits
    Articles Texas Instruments TLC555D
    .. astable circuits using the industry-standard 555 timer is a straightforward process when duty cycles are 50% or greater. However, you must ...
    .. shows the results of calculations both with and without the bypass diode and includes the tolerancing parameters. You can download the spreadsheet by clicking on the link in the Downloads section. Downloads Spreadsheet for calculating ...
    Jan 20, 2021
34. Bring Back BASIC
    Articles
    .. Design I must be kidding, right? No, I’m not. I’m just suggesting that we take another look at the old programming language known as BASIC. The language has a great deal going for it, particularly that it’s ...
    .. PIC microcontroller programmed internally with a BASIC interpreter (Figure 2). You program in BASIC on a PC and then download the program to the 8-pin PIC DIP. This approach lets you do small projects with a single-chip micro. Like ...
    Oct 29, 2020
35. Repair of a Mercedes Staff Car Amplifier Harman/Becker 7019
    Вадим Колесник
    Articles Harman/Becker 7019
    .. this article, I want to talk about the experience of repairing a OEM Harman/Becker audio amplifier, which was installed in Mercedes-Benz cars. In this ...
    .. / Becker 7019 amplifier board is shown in Figure 4. High resolution images of the amplifier board are available in the download section. Figure 4. Mercedes Harman/Becker 7019 audio amplifier PCB. Before the amplifier came to me, ...
    Sep 19, 2020
36. TinyUPS - Uninterruptible Power Supply based on ATtiny13A
    Stefan Wagner
    Circuits
    .. management system and an ATtiny13 for monitoring power supply and battery charge level as well as for communication with the connected device (Figure 1). TinyUPS Block diagram shown in Figure 2, you can see Project page on github.com [ 1 ]. ...
    .. increases efficiency and thus higher output currents are possible. The entire project is available in EasyEDA [ 3 ] and in download section. Although it would be possible to supply the connected device via the battery and charge the ...
    Aug 12, 2020
37. Power Supply Analyzer with USB Interface based on ATtiny814
    Stefan Wagner
    Circuits ATtiny814
    .. The Power Analyzer is a programmable electronic constant current dummy load with two high side voltage and current ...
    .. the heatsink. It controls the fan and cuts off the load when the temperature gets too hot. Project files are available in download section and in EasyEDA [ 1 ]. Arduino sketch and Python application available on download section and ...
    Aug 12, 2020
38. Test continuity with an LED
    Raju Baddi
    Circuits ON Semiconductor BC549
    .. sometimes need to know whether a resistance exceeds a preset limit. The continuity tester in Figure 1 lets you determine that fact for resistances of 0.5 Ω to 10 kΩ. The heart ...
    .. LOOP 1 conducts a much higher current than LOOP 2, which again means a much smaller V BE change for Q 2 . Here [1] you can download an appendix that provides a detailed analysis of the circuit’s dc performance. When R CY is an open ...
    Jul 21, 2020
39. Make Your Own Laser Tachometer for $10
    Circuits
    .. Worm with an Arduino clone, laser, and sensor for about half that cost (Figure 1). You’ll also need a 3D printer for the housing, though you could probably get creative if one’s not available. Рисунок 1. Laser Tachometer on ...
    .. a better refresh rate. If you’d like to make your own, code and an STL for the physical design is available on Download section. Notably, Elite Worm did a great job modeling everything in place, so you’ll be using ...
    May 10, 2020
40. Arduino based Milliohm Meter with LCD display
    Circuits MCP3422 LT3092 ULN2003
    .. Odunlade electronics-lab.com One of the best things about being a maker is the ability to make your own tools. We have covered the development of several ...
    .. 5). Figure 5. Milliohmmeter PCB after manufacturing. Both the schematics and PCB files are attached to the BOM under the download section. It should make modifying the project for your personal use a bit easier. Table 1. Components ...
    Apr 24, 2020

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