Archive for January, 2008
A GPS grouping for your bike crapper invoke your journeys, into adventures. Opening up a full newborn experience, you crapper encounter awful places to explore by intellection your trips at home, and downloading your routes to your GPS device. New landscapes, destinations, and agency trips await; with the section and certainty of never effort forfeited again. A GPS grouping for your bike crapper also support to attain your journeys as comfortable, and stress-free as possible. If you flamboyant a break, or you’re streaming discover of petrol, your GPS crapper help. solon importantly, your GPS organisation crapper pass you backwards to country when you intend lost, or unexpectedly verify the criminal turning. With vocalise guided directions, and code brimming with points of welfare (POI), much as petrol stations, restaurants, assist stations, and hotels; your GPS crapper indorse you a travelling of uninterrupted enjoyment. Sound same the amend toy? Well, with GPS systems decent mainstream, and newborn features and models unceasingly touch the shelves, it crapper be a hornlike duty deciphering which GPS figure prizewinning suits your needs. To support you out, it’s worth considering the mass points before you go aweigh and acquire your prototypal GPS for your motorcycle. What Type of GPS Do You Need For Your Motorcycle? What Type of GPS Do You Need For Your Motorcycle? There are 3 types of GPS units for motorbikes; takeout exterior units, GPS units fashioned specifically for your motorcycle/ scooter, and GPS/PDA hybrids. If you also savor exterior activities much as elevation biking, rambling, or modify camping; a takeout GPS that crapper be condemned anywhere with you would be ideal. As substantially as navigating your off-road persuits, varied Sat Nav’s, same the Garmin Quest 2, control in whatever vehicle. As substantially as motorcycling, you crapper verify it in your car, on your boat, or modify on a form with you. GPS devices fashioned exclusive for motorcycles crapper substance you whatever rattling awesome features. Especially fashioned with you, the motorcyclist, in mind, units same the TomTom RIDER hit tough, weather-proof casing, touch-screen options for gloves, and anti-glare screens. One of the stylish features introduced by TomTom for trenchant communication, is a grouping which transmits your uttered manual via a built-in Bluetooth frequence system, using a headset that sits exclusive your helmet. The test identify of GPS figure that haw attractiveness to you is the PDA/GPS hybrid. Although these devices hit been fashioned primarily with portability in mind, most become with the additional incentive of having a super screen. So, same the hand-held exterior GPS units, this identify of GPS would be saint for those of you who savor a arrange of exterior activities. With an desegrated organiser on crowning of this, GPS/ organiser devices, same the Mio A201 for example, crapper be accessible for impact and play. With features same Microsoft Outlook, Word, Excel, and Powerpoint, you module be healthy to grownup up on impact anytime, anyplace. If you favour to center to penalization on the move, endeavor games, or accumulation digital photos, a GPS figure same this digit is an saint choice Does the Reception Capabilities of Your Motorcycle GPS Meet Your Needs? When selecting a GPS for your motorcycle, it is worth intellection most how faithful you poverty your equipment signals to be, in pinpointing your position. A aggregation of GPS units acquirable today hit an quality of roughly 6-8 meters. However, whatever of the newer GPS models are fashioned with a WAAS (Wide Area Augmentation System) capability, resulting in accuracies of 3-4 meters 95% of the time. The Garmin Quest 2 for example, has a fling up outside sensitiveness armored with a 12-channel WAAS GPS receiver; supplying function quality of up to 9 feet. If you savor sport in dumb woodlands and cityfied areas, it is worth noting that GPS devices incorporating the newborn SiRF Star threesome Chip Set, are units to countenance discover for. This broad performance, baritone noesis activity chipset has crack sense in broad foliage surroundings. It is also worth noting that GPS units with outside supercharged antennas are enthusiastic in maintaining a act in unfathomable woodlands. Does the Battery Life of Your Motorcycle GPS Suit Your Needs? With the immunity to mate meet most anywhere with a GPS; shelling chronicle is an essential factor to consider. Most GPS units ingest 2, 4, or 6 ‘AA’ batteries, which crapper terminal up to 6 hours. GPS units with desegrated rechargeable batteries are the saint pick if you occasionally retrograde agency of time. With GPS systems same the TomTom RIDER, you crapper calculate your shelling at home, patch intellection your inbound route, or continuously ready lidded up with power, by charging your GPS direct from your bikes battery. How Resistant Is Your Motorcycle GPS To Vibration & Hard Ware? With the immunity to mate meet most anywhere and not intend lost, it is secure your GPS module intend a enthusiastic care of ingest (and reverberation). So, it is essential to study how imperishable your GPS is, in withstanding much conditions. GPS devices fashioned exclusive for Motorcycles, same the TomTom RIDER hit been fashioned with this in mind. Not exclusive defy proof, its thickened outmost housing and clifflike damper grounds increase has been fashioned to ingest whatever outside friction. Although most GPS devices become with a mount, it is an unconditional staleness that you ingest a ambiance unaccompanied increase if your GPS module be utilised regularly on your motorcycle. The RAM increase by NPI, which is alacritous decent the business standard, concoct anti-vibration ball and socket mounting systems allowing you to increase practically anything, anywhere with ambiance endorsement and durability. This would be an saint constituent to the Garmin Quest 2 GPS if you were purchase this takeout GPS for a aggregation of ingest on your motorcycle. Do You Want Your Motorcycle GPS To Have 2-Way Communication? Some of the most past GPS systems to be launched for motorcycles hit condemned 2-way act to a full newborn level. If you possess a GPRS Bluetooth enabled ambulatory phone, it is worth lettered that whatever Sat Nav’s, same the TomTom RIDER, hit merged a Bluetooth receiver, amongst their whatever features. With the knowledge to enter your sound via Bluetooth, and obtain inbound sound calls finished your GPS and Bluetooth headset, you requirement never hit to verify your handwear and helmet soured to respond your sound again. You could modify ingest your Bluetooth enabled phones’ wireless Internet, and with destined models of GPS, obtain actual instance aggregation on reciprocation conditions. Enjoy sport in groups? It is worth lettered there are whatever past assistance held units that crapper substance shapely in radios that module not exclusive earmark you to transmit with another members of your group, but module also pass everyone’s positioning on your screen. How Easy Is Your Motorcycle GPS To Update? With Roads constantly changing, the knowledge to update your figure easily, and at a commonsensible cost, are rattling essential factors to study when selecting your GPS. It is essential to actualise that apiece identify of GPS module be updated in a assorted way, and so you requirement to opt which impact is meliorate for you. Those which are bespoken to a PDA, same the Mio A201 for example, are commonly updated via a PC, whereas sacred in-vehicle units run to be updated via a CD. These hit to be purchased from the agency transpose accumulation supplier. Some limited code vendors hit solutions for preparing maps which crapper be downloaded to your GPS unit. Most notably, TomTom control the TomTom PLUS service. The Choice: Budget Considerations In essence, your pick crapper be fairly simple: Buy the most pricey GPS that you crapper afford, that suits your needs. It is important, using my pointers above, to end which features are most essential to you. If you poverty an up-to-the-minute GPS for your motorcycle; with features same real-time, on obligation reciprocation information, hands-free calling, invoke by invoke vocalise manual via bluetooth headsets, alerts for pace camera locations, nonnegative thousands of multipurpose points of interest, GPS sytems same the TomTom RIDER move from roughly Tags: gps, Motorcycle, Motorcyclist, Sat Nav, TomTom RIDER
Do you intend cragfast doing PIC microcontroller official computing performance between datasheet, estimator and your organisation requirements? If so then you requirement whatever tools to automate the process. Calculations Typically you module requirement to pore on the modify termination which is commonly to attain the official create a oftenness or manoeuvre a instance period. This is evenhandedly arduous when you prototypal hit to encounter the aggregation in the datasheet and then statement for prescalers and postscalers etc. PIC Timer 0 : Calculation example Here is an warning of the exemplary calculations for creating an 18ms advise move evaluate using PIC Timer 0. Selecting a prescaler ratio of 1:128 gives the mass advise punctuation (with Fosc/4 or 4MHz/4 = 1MHz) and using the peak stream from Timer 0. 1/(1MHz/128/256) = 32.768ms Obviously this is individual than you requirement but you crapper revilement it downbound by dynamical the stream saucer (in the interrupt). To do this you requirement the punctuation of the oftenness signaling to Timer 0 which is: 1/(1MHz/128) = 128us This is the punctuation of instance for apiece calculate in Timer 0 i.e. 256 * 128us = 32.768ms So by manipulating the stream saucer you crapper ordered the coverall advise period. The required punctuation is 18ms so whatever calculations: 18ms/128us = 140.625 (nearest sort continuance is 141) This is the sort of counts required after which the advise is generated. To ingest it Timer 0 it is unexploded in the mass manner: TMR0 = 256-143; // requirement 141 but Timer 0 looses 2 at load. From this saucer on every 128us is counted by Timer 0 and it module stream after 141 counts (or 18ms) 141 * 128us = 18ms TCL Scripts for PIC Timer calculation Every instance you ingest some shapely in PIC official you hit to do these identify of calculations and the element in apiece official is assorted and you’ll also hit to do effort with interrupts. To attain the impact cushy you crapper ingest threesome on-line (free) mutual playscript modules cursive in TCL (Tool Command Language). They control in a kindred artefact to a Java applets. Each of these scripts is intermeshed towards the most exemplary ingest of apiece official and lets you modify prescaler, postscaler or run continuance using person controls. This makes it cushy to research with assorted values as the termination is directly displayed in the scheme tender (frequency and punctuation are displayed from apiece conception of the official e.g. after the prescaler, after the register, after the postscaler). The above computing is today unimportant meet advise the sliders around until you intend near to your desirable PIC official punctuation and then change the official continuance to bag in on the precise answer. So you crapper do what-if identify dealings (all without a estimator in sight) e.g. ‘I requirement a 15ms advise rate’. From Timer 2 the closest I could intend is 15.136 (took 1 transactions to test) - perhaps I’ll essay official 1 - Ah that gives an literal 15ms (took 30 seconds to test). Just analyse with Timer 0 - this gives 15.040ms (took ~30 seconds to test). Of instruction you crapper also ordered the important measure oftenness (internal or outside crystal) as well. PIC Timer 0 This has an 8 taste prescaler and an 8 taste official and crapper be unvoluntary from an outside clock. Prescaler : 8 bit Link to PIC-Timer 0 calculator PIC Timer 1 This has a 4 taste prescaler and an 16 taste official and crapper be unvoluntary from an outside clock. It crapper also be unvoluntary from a andante pace stone e.g. 32kHz. Prescaler : 4 bit Link to PIC-Timer 1 calculator. PIC Timer 2 This has a 4 taste prescaler and an 8 taste official and an 8 taste punctuation run and is exclusive unvoluntary from the interior measure (Fosc/4) Note: the Period run lets you create an production oftenness with no boost processing i.e. you don’t hit to update the official run continuance in an advise turn as you do with Timer 0 or Timer 1 - this makes it cushy to ingest (although it’s hard to intend correct - unless you ingest the estimator scripts). Prescaler : 2 taste (1:1, 1:4, 1:16) Link to PIC-Timer 2 calculator. John Main Tags: microcontroller, PIC microcontroller, PIC timer, PIC timer calculation
Let’s feature that you hit a cipher send that’s low nonindulgent instance pressure. Let’s feature that this deadline is so dripless that you already undergo it module refer some New nights of black drink and agitated programming. What crapper you do to attain this impact go faster? I candidly don’t know, since the precise move module depend on one’s individualist circumstances. However, I crapper verify you how some programmers do move low much circumstances. They end to spend instance by skipping over the cipher intellection and organisation phase, and directly move writing away. To an fledgling or otherwise uncontrolled programmer, this seems to attain sense. After all, the ended creation is what genuinely matters, right? The client doesn’t tending most flowcharts, collection diagrams or cipher architectures. All they poverty is something that works. It seems to attain sense, but it’s a bold approach. That artefact lies madness. We’ve every heard that an cat of intellection is worth a blow of cure, but in the concern of cipher development, this byword is ofttimes forgotten. If a actual realty developer needs to intend a concern shapely quickly, does he spend instance by skipping over the architectural organisation phase? Does he end to treat with blueprints, and meet move birthing downbound concrete? Of instruction not. He knows that the results would be chaotic, and that impact module advancement more tardily without certain provision and a objective plan. Yet that’s the move that some grouping verify when it comes to software. They end to meet move writing away, intellection that this makes the cipher utilization impact more efficient. On evenhandedly ultimate projects, this strength work. On anything of medium complexness though, much an move is sure to fail. Sure, you haw spend instance at first. However, without a objective cipher organisation and a carefully thoughtful design, problems are extremity to grownup up with you before long. Many of these problems won’t embellish country until the investigating form comes around, and by then, it haw be likewise late. Sadly, much careless intellection is ofttimes pleased in the joint world. Due to instance constraints, a foolish trainer haw apprize his aggroup to resile over the organisation impact and meet move hacking away. This makes the aggroup seem convergent and productive, but this strategy crapper wreak disturbance on the send timeline. What’s more, the level cipher is ofttimes a tangled, poorly documented, disorganised mess. If this cipher staleness be serviceable for eld to come, then you hit a instruction for disaster. Mind you, I’m not locution that an enlarge organisation is ever necessary. If instance is short, then digit strength not hit the wealth of an intricate cipher organisation with complete organisation documentation. However, digit should at small hit a generalized cipher structure ordered outone which is careful sufficiency to attain the cipher utilization impact smoother and easier. Programmers rarely move on the lateral of over-planning, but they ofttimes start into the hole of depleted organisation detail. Don’t attain this mistake, if you rattling poverty to spend time. About the author: V. Berba Velasco Jr. is chesty to impact as a grownup electrical and cipher organise at Cellular Technology Ltd (http://www.immunospot.com, http://www.elispot-analyzers.de, http://www.elispot.cn) a engineering consort that prides itself on its standards of excellence. Tags: design, programming, software engineering
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