標(biāo)題: Titlebook: Custom Raspberry Pi Interfaces; Design and build har Warren Gay Book 2017 Warren Gay 2017 Raspberry Pi.hardware interfaces.maker.SRD.projec [打印本頁] 作者: 磨損 時間: 2025-3-21 18:51
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作者: COUCH 時間: 2025-3-21 20:39 作者: 消滅 時間: 2025-3-22 01:16 作者: Brain-Waves 時間: 2025-3-22 08:03
More Pi Inputs with 74HC165,e when many of the alternate functions are being used (SPI, I2C, UART, PWM, and so on). One way to cost effectively expand the number of Pi inputs is to attach one or more 74HC165 CMOS chips. These are available from digikey.com for as little as a dollar. Figure 9-1 illustrates an example of the 16-作者: 熱心 時間: 2025-3-22 12:22 作者: 懶惰民族 時間: 2025-3-22 16:40 作者: 懶惰民族 時間: 2025-3-22 17:04 作者: 大漩渦 時間: 2025-3-22 21:29
Book 2017sters. I2C I/O extenders. ..What you‘ll learn:.Build simple, low cost input/output interfaces including rotary encoders?.Interface with 5-volt devices from a 3-volt Raspberry Pi system?.Apply analog to digital and digital to analog conversions on the Pi?.Read potentiometers (volume control) from the作者: 方便 時間: 2025-3-23 04:35 作者: justify 時間: 2025-3-23 06:32
https://doi.org/10.1007/978-1-4842-2406-9Raspberry Pi; hardware interfaces; maker; SRD; projects作者: 寬度 時間: 2025-3-23 09:55 作者: Ledger 時間: 2025-3-23 14:40 作者: 用樹皮 時間: 2025-3-23 19:26
Rebuilding British Commerce and Industry-only memory (EPROM), and random access memory (RAM); find some peripherals; and then wire up the numerous address and data bus lines. After all that, you still had a pretty limited 8-bit system with no operating system. Today, you can acquire a 64-bit ARM quad-core system on a chip (SoC) with 1GB o作者: 冷峻 時間: 2025-3-23 22:47
éva Erd?s,Zoltán Nagy,Zoltán Vargae touch screens available. But these displays still command a fair investment. This chapter will explore inexpensive, used VGA monitors. With the correct type of adapter and Pi configuration, you can repurpose some used VGA LCD screens. VGA monitors will eventually become scarce, but while they last作者: nonsensical 時間: 2025-3-24 05:23 作者: Exposition 時間: 2025-3-24 07:57
éva Erd?s,Zoltán Nagy,Zoltán Vargae when many of the alternate functions are being used (SPI, I2C, UART, PWM, and so on). One way to cost effectively expand the number of Pi inputs is to attach one or more 74HC165 CMOS chips. These are available from digikey.com for as little as a dollar. Figure 9-1 illustrates an example of the 16-作者: 賞心悅目 時間: 2025-3-24 12:28 作者: Inculcate 時間: 2025-3-24 16:38
éva Erd?s,Zoltán Nagy,Zoltán Vargae 74HC165 and 74HC595 are fixed as input or output. Sometimes it is desirable to be able to configure them as required like the Raspberry Pi’s own GPIO ports. This chapter will examine the Microchip MCP23017 peripheral chip, which can offer any combination of 16 GPIO ports (in DIP form), each of whi作者: 先行 時間: 2025-3-24 20:25 作者: 航海太平洋 時間: 2025-3-25 02:01 作者: 小爭吵 時間: 2025-3-25 06:19
Keh-Chang Gee,Yuan-Chun (Martin) Lanelectronic circuits; they are so fast that they see contacts make and break thousands of times per second. If you ignore this aspect of input controls in your design, you could wind up with dysfunctional custom controls for your Pi.作者: Antarctic 時間: 2025-3-25 11:04
éva Erd?s,Zoltán Nagy,Zoltán Vargae when many of the alternate functions are being used (SPI, I2C, UART, PWM, and so on). One way to cost effectively expand the number of Pi inputs is to attach one or more 74HC165 CMOS chips. These are available from digikey.com for as little as a dollar. Figure 9-1 illustrates an example of the 16-pin dual inline package (DIP) chip.作者: 服從 時間: 2025-3-25 15:11 作者: meretricious 時間: 2025-3-25 18:29
éva Erd?s,Zoltán Nagy,Zoltán Vargaocks, or simple data input keypads. Normally these have their buttons arranged in rows and columns so that they can be scanned by the host computer, reducing the number of I/O ports necessary. You’ll do the same in this chapter but using the DIP form of the PCF8574 I/O chip to avoid using up precious GPIO ports.作者: RUPT 時間: 2025-3-25 22:47
éva Erd?s,Zoltán Nagy,Zoltán VargaLooking through online forums, I often see posts from people struggling with how to interface between 3V and 5V logic systems. Advice varies widely, ranging from “connecting it directly seems to work for me” to other dubious methods.作者: Lament 時間: 2025-3-26 02:46 作者: Pillory 時間: 2025-3-26 05:12
éva Erd?s,Zoltán Nagy,Zoltán VargaOne of the peripherals missing in the Raspberry Pi is an analog-to-digital converter (ADC). One low-cost solution is an 8-bit ADC peripheral based upon the PCF8591 chip. You can purchase the bare chip on eBay for about $1.50, but for about 10 cents more, you can get the assembled YL-40 PCB.作者: indoctrinate 時間: 2025-3-26 10:17 作者: 商店街 時間: 2025-3-26 16:33 作者: 出來 時間: 2025-3-26 19:19 作者: CAGE 時間: 2025-3-26 23:08
3V/5V Signal Interfacing,Looking through online forums, I often see posts from people struggling with how to interface between 3V and 5V logic systems. Advice varies widely, ranging from “connecting it directly seems to work for me” to other dubious methods.作者: 事先無準(zhǔn)備 時間: 2025-3-27 03:14 作者: Canyon 時間: 2025-3-27 07:04
PCF8591 ADC,One of the peripherals missing in the Raspberry Pi is an analog-to-digital converter (ADC). One low-cost solution is an 8-bit ADC peripheral based upon the PCF8591 chip. You can purchase the bare chip on eBay for about $1.50, but for about 10 cents more, you can get the assembled YL-40 PCB.作者: 最小 時間: 2025-3-27 09:37
Potentiometer Input Controls,Everyone who has operated a stereo or radio is familiar with the volume control. Besides the tuning knob, this is probably the most used control. The technical name for it is the potentiometer. Because of its lengthy name, it is often referred to simply as the pot.作者: Indolent 時間: 2025-3-27 17:37
Rotary Encoders,Rotary encoders are useful for conveying position input and adjustments. For example, as a tuning knob for software-defined radio (SDR), the rotary control can indicate two things related to frequency tuning.作者: Counteract 時間: 2025-3-27 19:49
MPD/MPC Hardware Controls,Raspberry Pi computers are attractive for embedded styled solutions due to their small size and low cost. This chapter will draw on earlier chapters to allow you to build a stand-alone embedded music player box.作者: DNR215 時間: 2025-3-27 22:47
VGA LCD Monitors,e touch screens available. But these displays still command a fair investment. This chapter will explore inexpensive, used VGA monitors. With the correct type of adapter and Pi configuration, you can repurpose some used VGA LCD screens. VGA monitors will eventually become scarce, but while they last, they are a boon to the maker.作者: insipid 時間: 2025-3-28 05:36
MC14490 and Software Debouncing,electronic circuits; they are so fast that they see contacts make and break thousands of times per second. If you ignore this aspect of input controls in your design, you could wind up with dysfunctional custom controls for your Pi.作者: PLIC 時間: 2025-3-28 07:28 作者: Contracture 時間: 2025-3-28 13:00
More Pi Outputs with 74HC595, it is able to operate with a VCC ranging from 2.0 to 6.0 volts. This is perfect for operating under the 3.3V Raspberry Pi and costs less than a dollar at digikey.com. Figure 10-1 illustrates a chip that I’ve used.作者: 借喻 時間: 2025-3-28 17:12
Custom Keypads,ocks, or simple data input keypads. Normally these have their buttons arranged in rows and columns so that they can be scanned by the host computer, reducing the number of I/O ports necessary. You’ll do the same in this chapter but using the DIP form of the PCF8574 I/O chip to avoid using up precious GPIO ports.作者: CHIDE 時間: 2025-3-28 21:52
Introduction,f memory and several built-in peripherals already assembled! Not only that, but the system will run a Unix operating system, whether it be Linux or some flavor of BSD, complete with a compiler and a plethora of other software tools. All of this fits in the space of a credit card footprint.作者: 定點 時間: 2025-3-29 00:11
MCP23017 I/O Port Extender,O ports. This chapter will examine the Microchip MCP23017 peripheral chip, which can offer any combination of 16 GPIO ports (in DIP form), each of which can be individually configured as input or output. Figure 11-1 illustrates the chip sitting on a breadboard.作者: 畏縮 時間: 2025-3-29 06:18 作者: forager 時間: 2025-3-29 07:20 作者: 支架 時間: 2025-3-29 11:26 作者: 使成波狀 時間: 2025-3-29 16:11
éva Erd?s,Zoltán Nagy,Zoltán VargaO ports. This chapter will examine the Microchip MCP23017 peripheral chip, which can offer any combination of 16 GPIO ports (in DIP form), each of which can be individually configured as input or output. Figure 11-1 illustrates the chip sitting on a breadboard.作者: 難取悅 時間: 2025-3-29 22:34
Detectors for UV Measurement — State of the Art and New Developmentshotomultipliers as well as biological and chemical detectors. Spectral responsivities, non-linearities, noise, dark signals and stabilities are traits of the sensors. For the measurement of irradiance and exposure an input optic is placed in front of the sensor, i.e. fiber bundles, transmitting or r作者: 共同生活 時間: 2025-3-30 01:41 作者: 慌張 時間: 2025-3-30 04:51
Schiffbautechnische Gesellschaftschenrettungen, bei dem Angriff und der Verteidigung gegen das Feuer, bei der eingehenden Veobachtung der Vaumaterialien bei Br?nden und gleich nach ihnen erringt, zum Vesten der ?ffentlichen Sicherheit ausnutzen will.
