It has 14 digital inputoutput pins of which 6 may be employed as pwm outputs 6 analog inputs a 16 mhz crystal oscillator a usb connection a power jack an icsp header along with a reset button. Page 28 you connect an external power source such as a battery pack to the vin and gnd sockets.
Arduino Uno Rev3 Schematic
If you know c programming the arduino will be familiar.
Arduino uno schaltplan pdf.
As an electronic device the arduino needs power.
Page 27 28 supply the arduino board with power.
Arduino uno r3 introduction arduino is used for building different types of electronic circuits easily using of both a physical programmable circuit board usually microcontroller and piece of code running on computer with usb connection between the computer and arduino.
Page 3 pc 15 moving on connect your arduino to the computer with the usb cable.
The customer must not.
If you do not know c no need to worry as only a few commands are needed to perform useful functions.
Power the arduino uno can be powered via the usb connection or with an external power supply.
One way to power it is to connect it to a computer s usb port but that isn t a good solution in some cases.
Arduino disclaims all other warranties express or implied arduino may make changes to specifications and product descriptions at any time without notice.
You do not need the battery for now.
The arduino uno is really a microcontroller board based on the atmega328.
The pin configuration is identical on all three processors.
Adc5pc5 28 adc4pc4 27 adc3pc3 26 adc2pc2 25 adc1pc1 24 adc0pc0 23 sckpb5 19 misopb4 18 mosipb3 17 sspb2 16 oc1pb1 15 icppb0 14 ain1pd7 13 ain0pd6.
Page 2 the arduino programming language is a simplified version of cc.
The arduino reference design can use an atmega8 168 or 328 current models use an atmega328 but an atmega8 is shown in the schematic for reference.
Arduino uno reference design usb boot en tm reference designs are provided as is and with all faults.
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