Arduino Uno R3 Schematic Diagram. Adc5 pc5 28 adc4 pc4 27 adc3 pc3 26 adc2 pc2 25 adc1 pc1 24 adc0 pc0 23 sck pb5 19 miso pb4 18 mosi pb3 17 ss pb2 16 oc1 pb1 15 icp pb0 14 ain1 pd7 13 ain0 pd6. The official arduino uno r3 schematic this reference design are provided as is with all faults.
We ve identified each subsystem and noted the type value and purpose of every single component in the uno r3 design. Arduino uno schematic diagram wiring diagrams all. Adc5 pc5 28 adc4 pc4 27 adc3 pc3 26 adc2 pc2 25 adc1 pc1 24 adc0 pc0 23 sck pb5 19 miso pb4 18 mosi pb3 17 ss pb2 16 oc1 pb1 15 icp pb0 14 ain1 pd7 13 ain0 pd6.
From these pins 6 pins can be utilized like pwm outputs.
Arduino disclaims all other warranties express or implied regarding products include but not limited to any implied warranties of merchantability or fitness for a particular purpose arduino may make changes to specification and product. Every component has been loaded into a nice clean schematic using an opensource eda tool as well i might add and in this post will now be published to github for anyone to retrieve along with an accurate and detailed bom as of the writing of this post 19 oct 2015. Https www terraelectronica ru pdf show pdf file 2fz 2fdatasheet 2fu 2funo r3 28ch340g 29 pdf arduino uno schematic diagram wiring diagrams all arduino uno pinout diagram microcontroller tutorials. The arduino uno r3 pin diagram is shown below.
