A step response is the time behaviour of the outputs of a general system when its input change form zero to one in a short amount of time. It will allow me to see how the system responds to a sudden input, in other words sense different values, and from there decide how I can use this first output to define the new output. I cut the copper sheet for the touchpad.
I tweaked a little bit his design, changing a few routes to make them shorter and then exported the trace. I then went on Photoshop to do the outline and export the outline and the traces again. I then used Fab Modules to create the. I have used the pngs I have shown above and milled the board using th Roaland SRM which is the one I have always used previously.
Issues I ran into this time: Basic mistake, I adjust dpi in setiings but did not check the size of the file which was about px times px. So once I milled the board, I got a 1cm board. I then collected the components from the lab, wrote them down on my sketch book and updated the google sheet.
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Soldering is something I enjoy to do and find quite relaxing too. After soldering I tried to double check that the connections were well made and that everything was correctly soldered to try save some time in the next step.
I then had to stick the copper tape onto a piece of plastic to vinyl cut it. First I wanted to change the shape of the pads and di so using Illustrator. I then saved the document as a. I had to first make sure to put the two wheels that take in my material to be at the same level as the white lines but not the same to then place my material.
I then asked the machine to measure my material and from there resized the drawing onto the sheet. I have cute them quite small but for now it is not an issue. Once I have finished to solder the board, I had to program it. Before, I checked with a multi-meter that all my connections were made correctly. By , they had 12 times the wealth of families in the middle. Also, wealth disparities are much greater than income disparities: three times as much by one measure.
Families of color will soon make up a majority of the population, but most continue to fall behind whites in building wealth. Put another way, white family wealth was seven times greater than black family wealth and five times greater than Hispanic family wealth in Despite some fluctuations over the past five decades, this disparity is as high or higher than was in White families accumulate more wealth over their lives than black or Hispanic families do, widening the wealth gap at older ages.
Median wealth by race is lower. Why is the racial and ethnic wealth gap so big? People with lower earnings may have a harder time saving. These disparities partly reflect historical disadvantages that continue to affect later generations. Blacks and Hispanics are less likely to own homes, so they more often miss out on this powerful wealth-building tool. Homeownership makes the most of automatic payments—homeowners must make mortgage payments every month—to build equity.
In , 68 percent of white families owned their home, compared with 44 percent of black families and 43 percent of Hispanic families. By , the homeownership gap had narrowed slightly for Hispanics but widened for blacks. Black and Hispanic families were also less likely to own homes than white families with similar incomes. It has been run since Starting at Devizes wharf, the route follows the Kennet and Avon canal for 54 miles to Reading , where it joins the Thames.
Another 54 miles later it reaches Teddington Lock, ending 17 miles later at Westminster Bridge.
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The race was the 60th anniversary of the event. The course requires competitors to portage their boats around 77 locks. Stage 2 contains 22 locks on the Kennet and Avon Canal, before the junction with the River Thames is reached, and a further six locks on the Thames, before the stage ends above Marlow lock. Richmond lock is only operational at some states of the tide, and so a portage may be avoided if passage is made during a period of 2 hours either side of high tide.
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The idea of canoeing from Devizes to Westminster was first suggested by Roy Cooke, who had been part of a team who had attempted to canoe along the River Avon from Pewsey, near Devizes, to the sea at Christchurch in He then planned to see if it was possible to reach Westminster from Devizes in under hours. At the time, much of the Kennet and Avon Canal was derelict, but still in water. He was unable to attempt the course, but a number of locals offered some money for Scout funds if the Devizes Scouts could succeed in "taking a boat from Devizes to Westminster in under hours, all food and camping kit to be carried in the boats".
The event generated much interest, with some national press coverage, and a large crowd gathering at Westminster Bridge to see the end of the feat, which was completed in 89 hours 50 minutes.
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Chippenham Sea Cadets attempted the route at Whitsun , and managed to reduce the time to 75 hours 50 minutes, but several attempts later in the year were thwarted by the amount of weed in the canal. In , although no race had been organised, nearly 20 boats attempted the course at Easter, and although many failed to complete it, two crews representing Richmond Canoe Club completed it in 49 hours 32 minutes, and a team from Bristol Scouts managed 53 hours 10 minutes.
In view of the interest shown, Frank Luzmore, one of the competitors from Richmond Canoe Club, decided to organise the event as an annual contest.
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Albert Weibel, another member of the Richmond Canoe Club, donated a trophy for the winner, and at Easter , 17 boats took part in the first official race. A team from Richmond Canoe Club won again, by completing the course non-stop in 34 hours 52 minutes, closely followed by a team representing the Royal Marines. Ten of the boats completed the course. The armed forces saw the race as an opportunity for training, and because they organised the backup support as a military exercise, won the race from until , with the exception of Officially, every boat had to carry cooking equipment, camping equipment and a host of other standard items, and no assistance from a support team was allowed.
Even water could only be obtained from official watering points. As the main race soon became a one-day event, rather than a four-day one, much of the official kit was redundant, and there was widespread breaking of the rules. In , one of the crews who finished the race was disqualified, two crews had time penalties added to the time they actually took, and 49 of the crews who failed to finish were deemed to have broken the rules, and so would have been disqualified if they had finished.
The military teams, with their radio networks, were particularly good at offering support, in particular food, to their teams at remote locations, where they were unlikely to be seen by race officials. Recognising that the military had an unfair advantage, the rules were changed in , so that boats did not have to carry "all food and camping kit", and the use of support teams to supply food and drink was allowed. Peter Lawler and Chris Baker, both from Richmond Canoe Club, and who had canoed for Britain at international level, took up the challenge, and succeeded in beating Paganelli and Evans, who had won the race for the Paras in , and Junior teams were originally banned from the race on safety grounds, but the pressure to allow them to compete resulted in the introduction of stages in , originally two, but soon changed to three, with compulsory overnight stops at Newbury, Marlow and Ham, just below Teddington lock.