https://community.element14.com/learn/learning-center/stem-academy/stem-projects/At element14 we're proud to support a wide variety of STEM projects for classrooms and universities. Check out our latest initiatives to inspire your own classroom projects.en-USTelligent Community 12https://community.element14.com/learn/learning-center/stem-academy/stem-projects/w/setup/26591/featured-content-triptych-setup-docWed, 01 Nov 2023 15:24:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:91b77a01-876c-4aea-bccb-9e87e27cfdc8pchanLittle Free STEM Library Design Challenge Use your own hardware to build or upgrade a little library near you, and compete for prizes! Learn More The University of Strathclyde's Eco Vehicle Team (USEV) The USEV team enter the Shell Eco Marathon in 2019 with an electric vehicle that can travel the furthest distance on the equivalency of 1-Litre of fuel. University IoT Challenge 2018 See the results of the Premier Farnell University IoT Challenge in partnership with Rohde & Schwarz. Teams submitted IoT Project ideas that can potentially help others.https://community.element14.com/learn/learning-center/stem-academy/stem-projects/w/setupWed, 01 Nov 2023 15:24:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:6d3002bd-e307-46b7-8864-6f0556607459https://community.element14.com/learn/learning-center/stem-academy/stem-projects/w/documentsFri, 01 Jul 2022 14:43:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:a67ff4c8-2187-401c-98cb-e5088a8a8a70https://community.element14.com/learn/learning-center/stem-academy/stem-projects/w/documents/3152/premier-farnell-technology-challenge-the-kitFri, 01 Jul 2022 14:42:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:b11d3d27-95f4-4a0d-9709-bcf571bb7aa9jdumaisThe student teams that participate in the Premier Farnell Technology Challenge 2017 will each be provided with identical 'Starter Kits' containing components provided by Premier Farnell. They will also receive a limited budget for ordering additional equipment. The basic starter kit contains the following components... Quantity Product Product Number (Farnell element14) 1 Raspberry Pi Zero N/A 1 MCBB400 MCBB400 Breadboard 2395961 1 RPi Power Supply N/A 2 Red LEDs (x10) 1208855 2 Green LEDs (x10) 1208851 2 Yellow LEDs (x10) 1208852 1 LDRs (x5) 2293503 1 Jumper Wire Assortment (M-M) 2396146 1 Jumper Wire Assortment (F-F) 2452748 1 Breadboard Jumper Wire Kit 1472867 2 Tactile Switch (Non-Illuminated) 2056809 1 40 Pin Header 2396214 6 Resistor (220R) 9340190 Choosing the technology We chose to build the Premier Farnell Technology Challenge around the Pi Zero because of the flexibility and usability it offers. Given that we are targeting students aged 16-18 with diverse levels of coding experience, we felt that a Raspberry Pi device would represent a meaningful challenge to the participants while also remaining accessible to students who may not have worked with the technology before. The purpose of this initiative is to encourage students to refine both their coding skills and their physical computing skills. The Pi Zero offers an opportunity to do both. The Raspberry Pi community also attracts a huge number of makers from all over the world, from experienced engineers to casual hobbyists. This means the internet is brimming with projects from people all around the world, which should provide a virtually limitless source of inspiration for the participants. There are also many tools and learning resources available online to help students to push and develop their skills. Additional tools and resources Using the budget provided by Premier Farnell, students can incorporate any additional components they wish into their design, but the final prototype must make use of input/outputs - such as sensors, motors, indicators etc. Creativity is highly encouraged, so students are free to make their devices wearable, fixed or portable according to the specific needs of the target user. Incorporating IoT is also encouraged but not mandatory. Students have already taken part in a training day at Leeds Beckett University, which included a 'Coding Bootcamp' and a focus group and ideas session where students had the opportunity to meet people living with the complex needs that their final prototypes should be geared towards. They have also been provided with learning materials and online tutorials from the Raspberry Pi foundation, plus additional support from element14. Further workshops and feedback sessions will be running in the coming weeks as the participants continue to work on their designs.leeds_beckett_universitystem_projectstechnology challengepremier_farnell_technologyassistive_technologyraspberry_pipi_zeropremier farnell technology challengehttps://community.element14.com/learn/learning-center/stem-academy/stem-projects/w/documents/3122/introducing-the-premier-farnell-technology-challengeFri, 01 Jul 2022 14:41:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:ffb40c59-8a5d-43a9-92fe-e9d447d3e991jdumaisplayers.brightcove.net/.../index.html Helping to support STEM initiatives in our local communities is one of our core principles at Premier Farnell. That's why we're proud to be running the Premier Farnell Technology Challenge, offering over 400 UK students the chance to showcase their technical and creative skills by creating a prototype device with real-world applications. Students from sixteen schools and colleges in and around our UK home city of Leeds have been tasked with creating a device that could help somebody with a specific physical or sensory impairment, using a Raspberry Pi single board computer as the base. Students aged 16-18 will work in teams of five on a range of workshops and challenges run by both Premier Farnell and Leeds Beckett University , leading up to a regional final due to take place on Tuesday 5th December 2017. This is the third year that Premier Farnell has run the Schools Technology Challenge, and the event is set to be our biggest yet. Developed in collaboration with Leeds Beckett University, Ahead Partnership and the FutureJobs Program , the challenge aims to encourage students to explore career opportunities in digital and tech, an industry which is projected for 15% growth in the West Yorkshire region over the next ten years. A combination of industry experts and Premier Farnell representatives will help to judge the competition, where prizes will be awarded in the categories of 'Judges Choice' and 'People's Choice' at the regional final. "As a global technology business based in Leeds, we are committed to introducing the next generation to technology and the opportunities that it presents" said Steve Carr, Global Head of Marketing for Premier Farnell. "...and where best to start than here in the West Yorkshire region? I'm excited to see the ideas that the students come up with." Stay tuned to element14 for regular updates on the Schools Technology Challenge over the coming weeks. If you are a parent, educator or maker in the West Yorkshire region and would be interesting in volunteering at one of our Schools Technology Challenge events, please contact Rena Peat at rpeat@premierfarnell.com .stem_projectspremier_farnell_technologyraspberry_pischools technology challengepremier farnell technology challengehttps://community.element14.com/learn/learning-center/stem-academy/stem-projects/w/documents/27571/stem-project-archiveFri, 08 Apr 2022 20:07:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:fe806b46-7cae-4ef6-9059-22060942643apchanSTEM Projects Grid-EYE Lab Test | MATE ROV | MotoStudent 2018 | PetBud | Premier Farnell Technology Challenge | Raspberry Pi Educator's Challenge | Source Bots | Teacher's Pet Robotics | University IoT Challenge 2018 | The University of Strathclyde's Eco Vehicle Team (USEV) | World Solar Challenge The University of Strathclyde's Eco Vehicle Team (USEV) element14 is supporting The University of Strathclyde's Eco Vehicle Team as they prepare to enter the Shell Eco Marathon 2019. Their aim is to design, manufacture, test and race a highly efficient Electric Vehicle that can travel the furthest distance possible on the equivalent of one Litre of fuel. Follow their progress here. Introduction USEV Powertrain Dev Team Battery Dev Team University IoT Challenge 2018 Are you a University student or course leader based in the UK? Win up to £5,000 of kit for your classroom in the Premier Farnell University IoT Challenge - in partnership with Rohde & Schwarz. Learn More MATE ROV Competition 2018 element14 is supporting Sheffield University's Team Avalon in the MATE ROV Competition 2018. Follow their progress here. Avalon ROV Team MotoStudent International Competition 2018 element14 is supporting TLMoto, a team of students from Instituto Superior Técnico, Lisbon, Portugal, as they prepare to build a fully electric motorcycle to participate in the MotoStudent International Competition 2018. MotoStudent Competition 2018 PetBud - A Smart Feeder for Pets element14 is supporting engineering students from Ulster University in the development of a smart IoT feeder for household pets. Introducing PetBud Source Bots A design challenge using an open source robotics kit for harnessing the potential of teaching STEM disciplines to students. Tech of Teaching Robots Source Bots Q&A Grid-EYE Lab Test Sponsored by Panasonic We invited a selection of engineering schools to develop an innovative project of their own using the Grid-EYE Sensor Evaluation Kit. What is a Lab Test? Tech Specs World Solar Challenge element14 is proud to support Team Sonnenwagen Aachen in developing a solar car to compete in the World Solar Challenge 2017. The Solar Car Blog Premier Farnell Technology Challenge Sponsored by Leeds Beckett University & Ahead Partnership Participants in this challenge must build a working prototype for a piece of assistive technology from scratch. The Challenge Winner Announcement Raspberry Pi Educator's Challenge Sponsored by MCM & CPC For Anyone Who Works in or with Education: Presenting The Raspberry Pi Model B+ Camera Kit! The Rise of the Pi "Turtle Bot" Timelapse Crystals Winner Announcement Teacher's Pet Robotics Sponsored by Mathworks & Adafruit element14, in collaboration with Mathworks and Adafruit, are proud to announce the Teacher's Pet Students' Robotics Challenge. Winner: Rice Krispies Loaderstem competitionstem projectshttps://community.element14.com/learn/learning-center/stem-academy/stem-projects/f/forum/50824/in-regarding-of-stem-project/196806Wed, 23 Mar 2022 02:56:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:8daffddb-5d62-4d0e-85a0-b62283f737c3kmikemooKumarharsh1 STEM = S cience, Technology, Engineering and Mathematics It is an acronym or a general catch-all phrase for anything involving learning and science, technology, engineering and/or mathematics.https://community.element14.com/learn/learning-center/stem-academy/stem-projects/f/forum/50824/in-regarding-of-stem-projectTue, 22 Mar 2022 01:45:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:1825d2ec-35e0-422d-8208-6b75c0b290baKumarharsh1Hello, I want to know about stem project, why it is useful and where it is useful and how ???https://community.element14.com/learn/learning-center/stem-academy/stem-projects/f/forum/50662/creating-square-wave-generators-before-buying-a-function-generation-counter/196241Sun, 20 Feb 2022 14:39:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:6099e724-be44-4709-b717-fe093bb4187fscsiraidguru10 kHz square wave. I think this is fairly good specs. Pin 5 : 10nF capacitor Capacitor: 10nF R2: 4.7k ohm + 2.2k ohm+ 100 ohm= 7k ohm R1: 330 ohm Frequency: 9.99kHz Period: 100.141us + width: 49.4us + duty cycle: 49.34% – width: 50.74us – duty cycle: 50.66% Still working on getting Eagle up and running with a 555 timer.https://community.element14.com/learn/learning-center/stem-academy/stem-projects/f/forum/50662/creating-square-wave-generators-before-buying-a-function-generation-counter/196162Sat, 12 Feb 2022 20:56:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:3c97dfc2-7bdb-422c-afc4-d54ca5165088scsiraidguru#include void setup() { Serial.begin(9600); Wire.begin(0x4); // join i2c bus with address #4 pinMode(6, OUTPUT); } void loop() { analogWrite(6, 128); } set timer 0 divisor to 64 for PWM frequency of 976.56 Hz (The DEFAULT) The measurements of the scope matches.https://community.element14.com/learn/learning-center/stem-academy/stem-projects/f/forum/50662/creating-square-wave-generators-before-buying-a-function-generation-counter/196161Sat, 12 Feb 2022 20:51:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:1041fbd6-a360-46e0-9e7a-2b4d2eda35bascsiraidguruhttps://community.element14.com/learn/learning-center/stem-academy/stem-projects/f/forum/50662/creating-square-wave-generators-before-buying-a-function-generation-counter/196147Fri, 11 Feb 2022 00:17:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:9032aa27-1271-415f-aadc-ac8b3d93bc9dshabazHi, I missed responding to this: Arduino code loop was to keep it constantly running and not one time run Sure, I understand that, however the approach to do that can be different, and it may improve the timing (can't guarantee that, since I don't know the Arduino function in detail, I've not checked the source code nor the microcontroller datasheet). In any case it's not normal to set the PWM configuration repeatedly, if the configuration has not changed. This would be a 'normal' approach (in slightly pseudocode): setup() {   analogWrite(PWM_IO, 64); } loop() {   delay(1000); } That code will simply do nothing in the loop() function, and do it forever. Meanwhile, the PWM hardware inside the chip will keep doing its thing (unless later instructed otherwise), based on the configuration that was done in the setup function. I don't use Arduino often enough to be sure if this code structure will work once the syntax is sorted, but I'm fairly sure (95%).https://community.element14.com/learn/learning-center/stem-academy/stem-projects/f/forum/50662/creating-square-wave-generators-before-buying-a-function-generation-counter/196146Thu, 10 Feb 2022 23:37:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:bbd48c2c-7f81-44eb-bfc0-3ebdccf0e975shabazI was looking for a book on all the 555 projects I can build There's several used 555 projects books on Amazon etc., I don't think there are any new, since the 555 is quite a mature product. However the used books are sometimes pricey because they are out-of-print. The web link to the 555 projects mentioned earlier, is very good. I have a paperback 555 project book by E.A. Parr, it is (was) great, but the web link content is (from my perspective) better. Many electronics books will have a section on the 555, sometimes focussed on how to use the 555, rather than projects, depending on the book. There's a thread on good electronics books here, and most will refer to the 555 for at least a few paragraphs if not more: /members-area/personalblogs/b/john-wiltrout-s-blog/posts/i-want-to-do-electronics-where-do-i-starthttps://community.element14.com/learn/learning-center/stem-academy/stem-projects/f/forum/50662/creating-square-wave-generators-before-buying-a-function-generation-counter/196134Thu, 10 Feb 2022 14:35:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:f8f94789-7bb7-4821-885a-b72dd21e0e7dscsiraidguruA side project is getting LT Spice to simulate the 555 timer and my circuit accurately. During my B.EE, we put the circuit on page. Solved it with math. Then, we put it into Spice and compared the results. Last thing was acutally build it measing each component with a multimeter and recalculating everything with real values. How can I get LT Spice to better simulate a NE555?https://community.element14.com/learn/learning-center/stem-academy/stem-projects/f/forum/50662/creating-square-wave-generators-before-buying-a-function-generation-counter/196118Thu, 10 Feb 2022 00:07:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:3e3e86fc-0c0d-469c-af1b-2a04ad535f5escsiraidguruThe kit I bought has NE555 chips to start out with. TLC555CPWR from Digikey are $0.95. Maybe I will get some next time.https://community.element14.com/learn/learning-center/stem-academy/stem-projects/f/forum/50662/creating-square-wave-generators-before-buying-a-function-generation-counter/196117Wed, 09 Feb 2022 22:18:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:abb90d7f-7c8d-4a36-b07b-9ddce0332e6cdougwYou can lookup several ways to make a 555 circuit that will get very close to 50% duty cycle. One simple way is to use a CMOS 555 and connect the output to the timing cap with a resistor.https://community.element14.com/learn/learning-center/stem-academy/stem-projects/f/forum/50662/creating-square-wave-generators-before-buying-a-function-generation-counter/196113Wed, 09 Feb 2022 21:07:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:90f00f6e-a5cc-4276-a968-c61561b81739scsiraidguruI upgraded the scope firmware and also found the LED lights in the basement were throwing off noise that was causing the probe calibration to jump. I put the scope into alternative mode so the end was on left side and beginning of the square wave was on the right side and was able to match them up more accurately. I am considering a Tripp Lite Line Conditioner and put in 20A circuits to isolate the Siglent hardware from the soldering iron and other noisy components. I worked with a Siglent engineer on getting it smoother. The scope has some error too. On one channel I should get 1 gigasample per second. I think with the 1 kHz frequency, that won't be much error. It will be interesting once I get to 100 kHz frequency. I think a lot of the scope issue was not being familiar with how to use it. Arduino code loop was to keep it constantly running and not one time run. I am planning on revisiting the Arduino and Pi solutions for PWM. I will have to check into your divider by 2 logic gate solution. It would be interesting to build. The next purchase is the Siglent 3 channel power supply. The Siglent frequency generator is month down the line. My son's tuition for preschool is coming up in a few months. So my EE budget is the least priority. 555 timer won't give a perfect 50% square wave. I worked out the math for a 1 kHz frequency but the time high is 512 ms and time low is 488 ms. This isn't that bad considering the error of 12 ms. I played around with the common components that I have in capacitors and resistors. Building it will be the test. I will use my multimeter to get accurate readings on the components and redo the math. I was hoping for 505 ms and 495 ms with 1 kHz frequency. The new components are the sizes in between I was missing in caps and resistors. So can use the multimeter to get the components closer to the actual math values. Scope is accurate. The resistors and capacitors are 5%-10% variance. So a 220 ohm resistor is usually 214-222 ohm. So what is accurate on paper in the math isn't what the component is in reality. I was looking for a book on all the 555 projects I can build. I have a good selection of op-amps and components from this months purchase to play with. I wanted a decent scope to start out with. All the reviews said this was a good choice.https://community.element14.com/learn/learning-center/stem-academy/stem-projects/f/forum/50662/creating-square-wave-generators-before-buying-a-function-generation-counter/196112Wed, 09 Feb 2022 20:26:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:9d7824db-4ba5-429c-87a6-f0d77cbc7b70shabazHi, I had a few miscellaneous comments: (1) There's something unusual in the code, there is a loop containing analogWrite, and it will repeatedly try to execute it forever. This may or may not be benign, and may even contribute to measured discrepancy or even jitter. It is down to the implementation of that analogWrite function, I have not checked, but it would be good to either check it before doing this, or (better) just do it in the setup() function, because that will be a more normal use of it. Often, functions can misbehave if used beyond what they were likely designed and tested for. (2) The measurements from 'scopes are not necessarily accurate always. Despite it being (say) a 100 MHz 'scope, doesn't mean it is sampling with that granularity always, and it will also have it's own clock error too. (3) The probe compensation should take less than a minute per probe and per channel, even if doing it manually. If it's not automated, then the probe should have a trimming tool adjustment. (4) Not sure what you mean by a more accurate square wave, because the '555 output will almost certainly be less accurate than from the 'scope; the frequency will drift with temperature, and it's not a square wave anyway... I think from memory the 555 cannot generate a 50% duty cycle precisely due to the charge or discharge cycle having to use the same resistor (along with another), I have not checked in ages. One workaround for that is to do a divide-by-2 using logic gates, from the output of the 555 or whatever. (5) STEM with 555 is a great idea.. for instance using it to generate sound effects and so on. Combining more than one 555 allows you to do siren-type effects, etc. There's a very good website with 50 projects entirely related to 555: http://talkingelectronics.com/projects/50%20-%20555%20Circuits/50%20-%20555%20Circuits.html?iframe=true&width=100%&height=100%