http___microbit.org_hr_hardware__1.xml
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Hardware All the bits and pieces that make up your BBC micro:bit Lights What are the red lights on the front? The red lights are LEDs (light emitting diodes) and form a 5 x 5 grid. They can be set to on/off and the brightness can be controlled. What is the yellow light on the back of the micro:bit? It is the status LED. It flashes yellow when the system wants to tell the user that something has happened. Buttons What are the buttons for? Buttons A and B are a form of input. They detect when the button is being pressed. When you press one of the buttons, it completes an electrical circuit. The BBC micro:bit can detect either of its two buttons being pressed and un-pressed and be programmed to act on that or send the information to another device. Button R on the back of the BBC micro:bit is a system button. It has different uses. When you have downloaded and run your code onto your BBC micro:bit, press Button R to restart and run your program from the beginning. When you plug in your BBC micro:bit, it should appear as MICROBIT. If you accidentally hold down the reset button as you’re plugging in your BBC micro:bit, the BBC micro:bit will appear as a MAINTENANCE drive instead of MICROBIT. This is known as maintenance mode.** To continue programming your BBC micro:bit YOU MUST unplug your USB and reconnect it. Check that the drive now shows as MICROBIT. **Use with caution. If you click on the drive while it shows as MAINTENANCE, you can see which version of firmware you have running on your BBC micro:bit. Firmware on your micro:bit should be up-to-date already. You can find the version of firmware in the 'version.txt' file on the micro:bit. Further information on the firmware can be found here: Compass Why is there a compass on the BBC micro:bit? The compass can detect magnetic fields such as the Earth’s magnetic field. As the BBC micro:bit has this compass, it is possible to detect the direction it is moving in. The BBC micro:bit can detect where it is facing and movement in degrees. This data can be used by the BBC micro:bit in a program or be sent to another device. Accelerometer Why is there an accelerometer on the BBC micro:bit? There is a an accelerometer on your BBC micro:bit which detects changes in the micro:bit’s speed. It converts analogue information into digital form that can be used in BBC micro:bit programs. Output is in milli-g. The device will also detect a small number of standard actions e.g. shake, tilt and free-fall. PINS What are the rings labelled 0, 1, 2 on the bottom edge of the BBC micro:bit? These are labels for the input/output pins P0, P1, P2, which you can attach external sensors to such as thermometers or moisture detectors. The pins can be a form of input or output. You can read more about large and small pins here. How do I connect the BBC micro:bit to my computer? It can be connected to your computer or device with a micro USB. Data can be sent and received between the BBC micro:bit and the computer so programs can be downloaded from Windows and Macs onto the micro:bit via this USB data connection. You can read more information on how to run scripts on your BBC micro:bit here, and about the error messages you might get here. Batteries How do I power my BBC micro:bit? When your BBC micro:bit is connected to your computer with the micro USB, it doesn’t need another power source. When your BBC micro:bit isn’t connected to your computer, tablet or mobile, you will need 2 x AAA 1.5 V batteries to power it. 3V GND What are the rings labelled 3V and GND? The pins labelled 3V and GND are the power supply pins. You can attach an external device such as a motor to these and power it using the battery or USB. Bluetooth What is a Bluetooth Low Energy Antenna? You will see this labelled BLE ANTENNA on the back of your BBC micro:bit. It is for a messaging service, built for the Internet of Things so that devices can talk to each other. The BBC micro:bit is a peripheral device which can talk to a central device like a smart phone or tablet that has Bluetooth Low Energy (BLE). The BBC micro:bit can send signals and receive signals from a central device so another BLE device can control the BBC micro:bit or the micro:bit can control another BLE device. What is Bluetooth Low Energy? Bluetooth wireless technology was developed as an alternative to data cables and allowed wireless communication between devices such as PCs, smartphones and tablets. Bluetooth® Smart or Bluetooth Low Energy is a power-friendly version of Bluetooth wireless technology. What is the Internet of Things? The Internet of Things (IoT) was first talked about more than 15 years ago, when it was speculated that objects and people would be able to connect wirelessly over the internet. Objects can be detected and controlled remotely, allowing greater integration between the physical and computer based world. It will let you to remotely control your alarm system, thermostat or lights in your home. It has many applications in different fields including manufacturing, health and fitness, consumer electronics and the home. Technical Information The BBC micro:bit has been designed to be a bare-board micro controller for use by children aged 11-12. It is an open development system and we have enabled debugging so that advanced users can interrogate the device. The device has been through extensive safety and compliance testing to the following standards: Safety EMC Radio Spectrum This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Chemical Restriction of Hazardous Substances (RoHS) 2011/65/EU Annex II article 4(1) EN71-3:2013 + A1:2014 - Migration of certain elements. Analysis of the 163 substances of very high concern (SVHC) on the Candidate List for authorization, concerning Regulation (EC) No. 1907/2006 as published on the European Chemicals Agency (ECHA) website. The BBC micro:bit device features Bluetooth Low Energy radio. The radio on the device operates in the following frequencies: Frequency Range: 2402MHz to 2480MHz Bluetooth Version: V4.0 Bluetooth Low Energy EU Declaration of Conformity The document can be downloaded by clicking here for the Declaration of Conformity
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Hardver Svi dijelovi od kojih se sastoji tvoj BBC micro:bit Svjetla Što su crvena svjetla na prednjoj strani? Crvena svjetla su LED-ice (light emitting diodes - diode koje odašilju svjetlo) i čine 5 x 5 mrežu. Mogu se uključivati/isključivati i kontrolirati jačina njihova svjetla. Što je žuto svjetlo na stražnjoj strani micro:bita? To je statusna LED-ica. Bljeska žuto kada sustav želi reći korisniku da se nešto dogodilo. Tipke Čemu služe tipke (gumbići)? Tipke A i B su vrsta ulaza (ulaznih podataka). Otkrivaju kada se tipka pritisne. Kada pritisneš jednu od tipki, zatvara se električni krug. BBC micro:bit može otkriti pritiskanje ili otpuštanje obje svoje tipke i biti programiran da pošalje podatke na drugi uređaj. Tipka R na stražnoj strani BBC micro:bita je sistemska tipka (gumbić). Ima različite namjene. Kada preuzmeš i pokreneš program na svom BBC micro:bitu, pritisni tipku R za ponovno pokretanje i izvođenje programa od početka. Nakon što spojiš na PC svoj micro:bit, trebao bi se pojaviti kao MICROBIT. Ako slučajno držiš tipku RESET dok uključuješ svoj BBC micro:bit, on će se pojaviti kao disk MAINTENANCE (održavanje) umjesto MICROBIT. To se zove 'način održavanja'.* * Za nastavak programiranja svog BBC micro:bita, MORAŠ odspojiti svoj USB i ponovo ga spojiti. Provjeri da se sada pokazuje kao disk MICROBIT. ** Koristi ovu opciju oprezno. Ako klikneš na disk dok se pokazuje kao MAINTENANCE, možeš vidjeti koju verziju firmware-a imaš na svom BBC micro:bitu. Firmware na tvom micro:bitu bi trebao biti već ažuriran. Verziju firmware-a možeš pronaći u datoteci "version.txt" na micro:bitu. Dodatne informacije o firmware-u možeš pronaći ovdje: Kompas Zašto BBC micro:bit ima kompas? Kompas može otkriti magnetska polja kao što je Zemljino magnetsko polje. Kako BBC micro:bit ima kompas, može otkriti u kojem se smjeru kreće. BBC micro:bit može otkriti u kojem smjeru je okrenut i pokret u stupnjevima kuta. Te podatke može koristiti u programu ili ih poslati na drugi uređaj. Mjerilac ubrzanja Zašto BBC micro:bit ima akcelerometar (mjerilac ubrzanja)? Na BBC micro:bitu postoji i akcelerometar koji detektira promjene u njegovoj brzini. On pretvara analogne informacije u digitalni oblik koji se može koristiti u BBC micro:bitovim programima. Izlaz je u mili-g. Uređaj također može otkriti mali broj standardnih radnji kao što je npr. trešnja, nagib i slobodni pad. Izvodi (pinovi) Što su prstenovi označeni s 0, 1, 2 na donjem rubu BBC micro:bita? To su oznake za ulazno-izlazne izvode (pinove) P0, P1, P2, na koje se mogu priključiti vanjski senzori kao što su termometri ili detektori vlage. Oni također mogu biti oblici inputa i outputa. Možeš pročitati više o velikim i malim izvodima ovdje. Kako povezati BBC micro:bit na računalo? Možeš ga povezati na računalo ili uređaj s mikro USB. Podaci mogu biti poslani i primljeni između BBC micro:bita i računala, pa programi mogu biti preuzeti s Windows i Mac računala na micro:bit preko USB podatkovne veze. Možeš pročitati više o tome kako pokrenuti skripte na svom BBC micro:bitu ovdje, a o porukama o greškama možeš naći ovdje. Baterije Kako se napaja moj BBC micro:bit? Kada je tvoj BBC micro:bit povezan s računalom preko mikro USB, ne treba drugi izvor energije. No, kada nije povezan s računalom, tabletom ili mobilnim uređajem, trebat će ti 2 x AAA 1,5 V baterije za napajanje. 3V GND Što su prstenovi označeni s 3V i GND? Pinovi označeni 3V i GND su pinovi za napajanje. Možeš na njih prikopčati vanjski uređaj poput motora i upogoniti ih pomoću baterije ili USB. Bluetooth Što je niskoenergetska Bluetooth antena? Vidjet ćeš ju označenu kao BLE ANTENNA na poleđini svog BBC micro:bita. Služi za slanje poruka, konstrurirana za Internet stvari (Intenet of Things - IoT), gdje uređaji mogu međusobno komunicirati. BBC micro:bit je periferni uređaj koji može 'razgovarati' s centralnim uređajem kao što je pametni telefon ili tablet koji ima niskoenergetski Bluetooth (BLE). BBC micro:bit može slati signale na, i primati signale s, centralnog uređaja, tako da drugi BLE uređaj može kontrolirati BBC micro:bit ili micro:bit može kontrolirati drugi BLE uređaj. Što je niskoenergetski Bluetooth? Bežična tehnologija Bluetooth je razvijena kao alternativa kabelima i omogućila je bežičnu komunikaciju između uređaja kao što su računala, pametni telefoni i tableti. Bluetooth® Smart ili niskoenergetski Bluetooth je niskoenergetska verzija Bluetooth-a. Što je Internet stvari? Internet stvari (IoT) je prvi put spomenut prije više od 15 godina, kada se nagađalo da će se objekti i ljudi moći bežično povezivati preko interneta. Objekti se mogu otkriti i daljinski upravljati, dopuštajući bolju integraciju između fizičkog i računalnog svijeta. Omogućava ti daljinsko upravljanje alarmnim sustavom, termostatom ili svjetlom u tvom domu. Ima mnoge primjene u različitim područjima uključujući proizvodnju, zdravlje i fitness, potrošačku elektroniku i pemetni dom. Tehničke informacije BBC micro:bit je dizajniran kao mikro kontroler s golom pločicom za djecu u dobi od 11-12. Razvojni sustav mu je otvoren i omogućili smo debugging tako da napredni korisnici mogu ispitivati uređaj. Uređaj je prošao kroz veliko testiranje sigurnosti i sukladnosti prema sljedećim standardima: Sigurnost IEC 60950-1: 2005 (drugo izdanje) + sam 1:2009 + sam 2:2013 EMC Radio Spectrum This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Chemical Restriction of Hazardous Substances (RoHS) 2011/65/EU Annex II article 4(1) EN71-3:2013 + A1:2014 - Migration of certain elements. Analysis of the 163 substances of very high concern (SVHC) on the Candidate List for authorization, concerning Regulation (EC) No. 1907/2006 as published on the European Chemicals Agency (ECHA) website. The BBC micro:bit device features Bluetooth Low Energy radio. The radio on the device operates in the following frequencies: Frequency Range: 2402MHz to 2480MHz Bluetooth Version: V4.0 Bluetooth Low Energy EU Declaration of Conformity The document can be downloaded by clicking here for the Declaration of Conformity