The Uno and version 1.0 will be the reference versions of Arduino, moving forward. "Uno" means "One" in Italian and is named to mark the upcoming release of Arduino 1.0. 1.0 pinout: added SDA and SCL pins for TWI communication placed near to the AREF pin and two other new pins placed near to the RESET pin, the IOREF that allow the shields to adapt to the voltage provided from the board and the second one is a not connected pin, that is reserved for future purposes.
ATmega16U2 instead 8U2 as USB-to-Serial converter.The Uno differs from all preceding boards in that it does not use the FTDI USB-to-serial driver chip.Īdditional features coming with the R3 version are: It contains everything needed to support the microcontroller simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz ceramic resonator (CSTCE16M0V53-R0), a USB connection, a power jack, an ICSP header, and a reset button. This serial communication o6er US$and appears as a 6irtual comĠrmware uses the standard dri6ers' and no e+ternal dri6eris needed.The Arduino Uno Rev3 SMD is a microcontroller board based on the ATmega328. ' -' 5' H' 4' and 44.Īnother Uno board' or othermicrocontrollers.These pins areconnected to the correspondingĮ+ternal Interrupts7 and. Pro6ide or recei6e mA asrecommended operating conditionĦalue that must not be e+ceeded onan% I!8 pin to a6oid Mapping for the Atmega*' 45*' and* is identical. Īlso has ,$ of and 4 ,$ (which can be read and Outputs to wor with the - or ATmega* has ,$ (with. Read the I89E& pin 6oltage andselect the appropriate power :ac ( 2 4)' the US$ connector(-)' or the IC pin of the Than 4' the 6oltage regulator ma%o6erheat and damage theįrom the US$ connection or otherregulated power source). Supplied with less than 'howe6er' the - pin ma% suppl% &TDI US$2to2serial dri6er chip.Instead' it features theĮ+ternal power suppl%. If more than - mAĬonnection until the short oro6erload is remo6ed. The ATmega45U (or *U in there64 and re6 boards)īoard (near the map of Ital%) andthen rese ing the *U.įuse pro6ides an e+tra la%er ofprotection. Through the I/SP (In2/ircuit SerialProgramming) header using It communicates usingthe original ST,- protocol Preprogrammed witha bootloader that allows %ou to Programming The Uno can be programmed with
"igital I#O Pin$ 1% (o& 'ic proide P*M output)Īnalog Input Pin$ "+ +urrent per I#O Pin 2! mA Technical specsMicrocontroller ATmega328P Section all the inormation *ou needto conigure *our Outdated boards see the Arduinoinde: o boards. TheUno board and 0ersion 1.9 oĮ0ol0ed to ne!er releases. Something !rong& !orst casescenario *ou can replace theĪrduino +ot!are (I% 1.9. Po!er it !ith a Ato adapter orbatter* to get started. Po!er -ac& an I+P header and areset button. 14 digital input/output pins (o!hich " can be used as P#$
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