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Latest at Gadgetoid: < a href = "http://pi.gadgetoid.com/article/parallax-propeller-p8x32a-first-impressions" > Propeller ASC+, the Arduino-compatible multi-core micro: read my first impressions< / a >
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< h1 class = "logo" > < img src = "/pinout-logo.png" style = "top:8px;" / > < span > Pi< / span > n< span class = "out" > out< / span > < / h1 >
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< nav id = "gpio" >
< div id = "pinbase" > < / div >
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< div id = "pinbasebplus" > < / div >
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< ul class = "bottom" >
< li class = "pin1 3v3" > < a href = "/pindb/pin1_3v3_power" > < span class = "default" > < span class = "phys" > 1< / span > 3v3 Power< / span > < span class = "pin" > < / span >
< / a > < / li >
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< li class = "pin3 gpio i2c" > < a href = "/pindb/pin3_gpio2" > < span class = "default" > < span class = "phys" > 3< / span > BCM 2 < small > (SDA)< / small > < / span > < span class = "pin" > < / span >
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< span class = "alternate legend_wiringpi" > Wiring Pi pin 8< / span > < / a > < / li >
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< li class = "pin5 gpio i2c" > < a href = "/pindb/pin5_gpio3" > < span class = "default" > < span class = "phys" > 5< / span > BCM 3 < small > (SCL)< / small > < / span > < span class = "pin" > < / span >
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< span class = "alternate legend_wiringpi" > Wiring Pi pin 9< / span > < / a > < / li >
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< li class = "pin7 gpio" > < a href = "/pindb/pin7_gpio4" > < span class = "default" > < span class = "phys" > 7< / span > BCM 4 < small > (GPCLK0)< / small > < / span > < span class = "pin" > < / span >
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< span class = "alternate legend_pibrella" > Green LED< / span >
< span class = "alternate legend_wiringpi" > Wiring Pi pin 7< / span > < / a > < / li >
< li class = "pin9 gnd" > < a href = "/pindb/pin9_ground" > < span class = "default" > < span class = "phys" > 9< / span > Ground< / span > < span class = "pin" > < / span >
< / a > < / li >
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< li class = "pin11 gpio" > < a href = "/pindb/pin11_gpio17" > < span class = "default" > < span class = "phys" > 11< / span > BCM 17 < / span > < span class = "pin" > < / span >
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< span class = "alternate legend_pibrella" > Yellow LED< / span >
< span class = "alternate legend_wiringpi" > Wiring Pi pin 0< / span > < / a > < / li >
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< li class = "pin13 gpio" > < a href = "/pindb/pin13_gpio27" > < span class = "default" > < span class = "phys" > 13< / span > BCM 27 < small > (PCM_D)< / small > < / span > < span class = "pin" > < / span >
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< span class = "alternate legend_pibrella" > Red LED< / span >
< span class = "alternate legend_wiringpi" > Wiring Pi pin 2< / span > < / a > < / li >
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< li class = "pin15 gpio" > < a href = "/pindb/pin15_gpio22" > < span class = "default" > < span class = "phys" > 15< / span > BCM 22 < / span > < span class = "pin" > < / span >
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< span class = "alternate legend_pibrella" > Output A< / span >
< span class = "alternate legend_wiringpi" > Wiring Pi pin 3< / span > < / a > < / li >
< li class = "pin17 3v3" > < a href = "/pindb/pin17_3v3_power" > < span class = "default" > < span class = "phys" > 17< / span > 3v3 Power< / span > < span class = "pin" > < / span >
< / a > < / li >
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< li class = "pin19 gpio spi" > < a href = "/pindb/pin19_gpio10" > < span class = "default" > < span class = "phys" > 19< / span > BCM 10 < small > (MOSI)< / small > < / span > < span class = "pin" > < / span >
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< span class = "alternate legend_pibrella" > Input D< / span >
< span class = "alternate legend_wiringpi" > Wiring Pi pin 12< / span > < / a > < / li >
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< li class = "pin21 gpio spi" > < a href = "/pindb/pin21_gpio9" > < span class = "default" > < span class = "phys" > 21< / span > BCM 9 < small > (MISO)< / small > < / span > < span class = "pin" > < / span >
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< span class = "alternate legend_pibrella" > Input A< / span >
< span class = "alternate legend_wiringpi" > Wiring Pi pin 13< / span > < / a > < / li >
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< li class = "pin23 gpio spi" > < a href = "/pindb/pin23_gpio11" > < span class = "default" > < span class = "phys" > 23< / span > BCM 11 < small > (SCKL)< / small > < / span > < span class = "pin" > < / span >
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< span class = "alternate legend_pibrella" > Button< / span >
< span class = "alternate legend_wiringpi" > Wiring Pi pin 14< / span > < / a > < / li >
< li class = "pin25 gnd" > < a href = "/pindb/pin25_ground" > < span class = "default" > < span class = "phys" > 25< / span > Ground< / span > < span class = "pin" > < / span >
< / a > < / li >
< li class = "pin27 gpio i2c" > < a href = "/pindb/pin27_id_sd" > < span class = "default" > < span class = "phys" > 27< / span > ID_SD< / span > < span class = "pin" > < / span >
< / a > < / li >
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< li class = "pin29 gpio" > < a href = "/pindb/pin29_gpio5" > < span class = "default" > < span class = "phys" > 29< / span > BCM 5 < / span > < span class = "pin" > < / span >
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< span class = "alternate legend_wiringpi" > Wiring Pi pin 0< / span > < / a > < / li >
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< li class = "pin31 gpio" > < a href = "/pindb/pin31_gpio6" > < span class = "default" > < span class = "phys" > 31< / span > BCM 6 < / span > < span class = "pin" > < / span >
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< span class = "alternate legend_wiringpi" > Wiring Pi pin 0< / span > < / a > < / li >
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< li class = "pin33 gpio" > < a href = "/pindb/pin33_gpio13" > < span class = "default" > < span class = "phys" > 33< / span > BCM 13 < / span > < span class = "pin" > < / span >
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< span class = "alternate legend_wiringpi" > Wiring Pi pin 0< / span > < / a > < / li >
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< li class = "pin35 gpio spi" > < a href = "/pindb/pin35_gpio19" > < span class = "default" > < span class = "phys" > 35< / span > BCM 19 < small > (MISO)< / small > < / span > < span class = "pin" > < / span >
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< span class = "alternate legend_wiringpi" > Wiring Pi pin 0< / span > < / a > < / li >
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< li class = "pin37 gpio" > < a href = "/pindb/pin37_gpio26" > < span class = "default" > < span class = "phys" > 37< / span > BCM 26 < / span > < span class = "pin" > < / span >
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< span class = "alternate legend_wiringpi" > Wiring Pi pin 0< / span > < / a > < / li >
< li class = "pin39 gnd" > < a href = "/pindb/pin39_ground" > < span class = "default" > < span class = "phys" > 39< / span > Ground< / span > < span class = "pin" > < / span >
< / a > < / li >
< / ul >
< ul class = "top" >
< li class = "pin2 5v" > < a href = "/pindb/pin2_5v_power" > < span class = "default" > < span class = "phys" > 2< / span > 5v Power< / span > < span class = "pin" > < / span >
< / a > < / li >
< li class = "pin4 5v" > < a href = "/pindb/pin4_5v_power" > < span class = "default" > < span class = "phys" > 4< / span > 5v Power< / span > < span class = "pin" > < / span >
< / a > < / li >
< li class = "pin6 gnd" > < a href = "/pindb/pin6_ground" > < span class = "default" > < span class = "phys" > 6< / span > Ground< / span > < span class = "pin" > < / span >
< / a > < / li >
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< li class = "pin8 gpio uart" > < a href = "/pindb/pin8_gpio14" > < span class = "default" > < span class = "phys" > 8< / span > BCM 14 < small > (TXD)< / small > < / span > < span class = "pin" > < / span >
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< span class = "alternate legend_wiringpi" > Wiring Pi pin 15< / span > < / a > < / li >
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< li class = "pin10 gpio uart" > < a href = "/pindb/pin10_gpio15" > < span class = "default" > < span class = "phys" > 10< / span > BCM 15 < small > (RXD)< / small > < / span > < span class = "pin" > < / span >
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< span class = "alternate legend_wiringpi" > Wiring Pi pin 16< / span > < / a > < / li >
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< li class = "pin12 gpio" > < a href = "/pindb/pin12_gpio18" > < span class = "default" > < span class = "phys" > 12< / span > BCM 18 < small > (PCM_C)< / small > < / span > < span class = "pin" > < / span >
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< span class = "alternate legend_pibrella" > Buzzer< / span >
< span class = "alternate legend_wiringpi" > Wiring Pi pin 1< / span > < / a > < / li >
< li class = "pin14 gnd" > < a href = "/pindb/pin14_ground" > < span class = "default" > < span class = "phys" > 14< / span > Ground< / span > < span class = "pin" > < / span >
< / a > < / li >
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< li class = "pin16 gpio" > < a href = "/pindb/pin16_gpio23" > < span class = "default" > < span class = "phys" > 16< / span > BCM 23 < / span > < span class = "pin" > < / span >
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< span class = "alternate legend_pibrella" > Output B< / span >
< span class = "alternate legend_wiringpi" > Wiring Pi pin 4< / span > < / a > < / li >
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< li class = "pin18 gpio" > < a href = "/pindb/pin18_gpio24" > < span class = "default" > < span class = "phys" > 18< / span > BCM 24 < / span > < span class = "pin" > < / span >
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< span class = "alternate legend_pibrella" > Output C< / span >
< span class = "alternate legend_wiringpi" > Wiring Pi pin 5< / span > < / a > < / li >
< li class = "pin20 gnd" > < a href = "/pindb/pin20_ground" > < span class = "default" > < span class = "phys" > 20< / span > Ground< / span > < span class = "pin" > < / span >
< / a > < / li >
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< li class = "pin22 gpio" > < a href = "/pindb/pin22_gpio25" > < span class = "default" > < span class = "phys" > 22< / span > BCM 25 < / span > < span class = "pin" > < / span >
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< span class = "alternate legend_pibrella" > Output D< / span >
< span class = "alternate legend_wiringpi" > Wiring Pi pin 6< / span > < / a > < / li >
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< li class = "pin24 gpio spi" > < a href = "/pindb/pin24_gpio8" > < span class = "default" > < span class = "phys" > 24< / span > BCM 8 < small > (CE0)< / small > < / span > < span class = "pin" > < / span >
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< span class = "alternate legend_pibrella" > Input C< / span >
< span class = "alternate legend_wiringpi" > Wiring Pi pin 10< / span > < / a > < / li >
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< li class = "pin26 gpio spi" > < a href = "/pindb/pin26_gpio7" > < span class = "default" > < span class = "phys" > 26< / span > BCM 7 < small > (CE1)< / small > < / span > < span class = "pin" > < / span >
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< span class = "alternate legend_pibrella" > Input B< / span >
< span class = "alternate legend_wiringpi" > Wiring Pi pin 11< / span > < / a > < / li >
< li class = "pin28 gpio" > < a href = "/pindb/pin28_id_sc" > < span class = "default" > < span class = "phys" > 28< / span > ID_SC< / span > < span class = "pin" > < / span >
< / a > < / li >
< li class = "pin30 gnd" > < a href = "/pindb/pin30_ground" > < span class = "default" > < span class = "phys" > 30< / span > Ground< / span > < span class = "pin" > < / span >
< / a > < / li >
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< li class = "pin32 gpio" > < a href = "/pindb/pin32_gpio12" > < span class = "default" > < span class = "phys" > 32< / span > BCM 12 < / span > < span class = "pin" > < / span >
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< span class = "alternate legend_wiringpi" > Wiring Pi pin 0< / span > < / a > < / li >
< li class = "pin34 gnd" > < a href = "/pindb/pin34_ground" > < span class = "default" > < span class = "phys" > 34< / span > Ground< / span > < span class = "pin" > < / span >
< / a > < / li >
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< li class = "pin36 gpio" > < a href = "/pindb/pin36_gpio16" > < span class = "default" > < span class = "phys" > 36< / span > BCM 16 < / span > < span class = "pin" > < / span >
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< span class = "alternate legend_wiringpi" > Wiring Pi pin 0< / span > < / a > < / li >
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< li class = "pin38 gpio spi" > < a href = "/pindb/pin38_gpio20" > < span class = "default" > < span class = "phys" > 38< / span > BCM 20 < small > (MOSI)< / small > < / span > < span class = "pin" > < / span >
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< span class = "alternate legend_wiringpi" > Wiring Pi pin 0< / span > < / a > < / li >
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< li class = "pin40 gpio spi" > < a href = "/pindb/pin40_gpio21" > < span class = "default" > < span class = "phys" > 40< / span > BCM 21 < small > (SCLK)< / small > < / span > < span class = "pin" > < / span >
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< span class = "alternate legend_wiringpi" > Wiring Pi pin 0< / span > < / a > < / li >
< / ul >
< / nav >
< div id = "content" >
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< div id = "pages" >
< article class = "page_index" > < h1 > Pinout!< / h1 >
< h3 > The comprehensive Raspberry Pi Pinout guide for the Raspberry Pi, now with Model B+ and Pi 2< / h3 >
< p > Pinout isn't meant to be printable, but it's a great quick-reference and a comprehensive starter guide to learning about your Raspberry Pi's GPIO pins.< / p >
< h2 > What do these numbers mean, anyway?< / h2 >
< ul >
< li > BCM - Broadcom pin number, these are the ones you probably want to use with RPi.GPIO< / li >
< li > WiringPi - Wiring Pi pin number, for Gordon's Wiring Pi library< / li >
< li > Physical - Number corresponding to the pins physical location on the header< / li >
< / ul >
< h2 > Pi 2+< / h2 >
< p > To celebrate the launch of the Pi 2 and the new Pi-enthusiasts it'll bring, Pinout has been updated to be cleaner, more comprehensive and more accurate.< / p >
< h2 > Model B+< / h2 >
< p > Now that the Raspberry Pi Model B Plus is here, I've updated Pinout with the 14 extra pins you'll find on your shiny new board.< / p >
< p > Note: While I've placed a gap to visually separate the additional 14 pins on the B+, you wont find this gap on the actual board!< / p > < / article >
< article class = "page_pibrella" > < h1 > Pibrella< / h1 >
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< p > The all-in-one light, sound, input and output add-on board from Pimoroni vs Cyntech uses lots of IO on the Pi but leaves both Serial and I2C free leaving plenty of room for expansion if you get creative.< / p >
< p > Pibrella is easy to use, first you should install the module using LXTerminal/Command Line:< / p >
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< pre > < code class = "bash" > sudo apt-get install python-pip
sudo pip install pibrella
< / code > < / pre >
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< p > Then import it into your Python script and start tinkering:< / p >
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< pre > < code class = "bash" > import pibrella
pibrella.light.red.on()
< / code > < / pre > < / article >
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< article class = "pin1_3v3_power" > < h1 > 3v3 Power< / h1 > < ul > < li > Physical pin 1< / li > < / ul > < h3 > The 3v3, 3.3 volt, supply pin on the Pi has a max available current of about 50 mA. Enough to power a couple of LEDs or a microprocessor, but not much more.< / h3 >
< p > You should generally use the 5v supply, coupled with a 3v3 regulator for 3.3v projects.< / p > < / article >
< article class = "pin2_5v_power" > < h1 > 5v Power< / h1 > < ul > < li > Physical pin 2< / li > < / ul > < h3 > The 5v power pins are connected directly to the Pi's power input and will capably provide the full current of your mains adaptor, less that used by the Pi itself.< / h3 >
< p > With a decent power supply, such as the official Pi adaptor, you can expect to pull about 1.5A.< / p >
< p > Don't be disuaded by what sounds like a measly low voltage. You can do a lot with 5v. Power Arduinos, and even run a small Electroluminescent wire inverter right off the 5v pin!< / p > < / article >
< article class = "pin3_gpio2" > < h1 > BCM 2 (SDA)< / h1 > < ul > < li > Physical pin 3< / li > < li > BCM pin 2< / li > < li > Wiring Pi pin 8< / li > < li > BCM pin 0 on Rev 1 ( very early ) Pi< / li > < / ul > < p > It's easy to get started writing a digital HIGH or LOW to a GPIO pin, but you've got to remember a few things:< / p >
< ul >
< li > Run your script as root< / li >
< li > Set your pin's mode to OUTPUT (1)< / li >
< / ul >
< p > Assuming you've installed WiringPi2-Python ( pip install wiringpi2 ) then try pasting the following into a .py file:< / p >
< pre > < code class = "python" > import wiringpi2 as wiringpi
HIGH = 1
LOW = 0
OUTPUT = 1
INPUT = 0
wiringpi.wiringPiSetup()
wiringpi.pinMode(8,OUTPUT)
wiringpi.digitalWrite(8,HIGH)
< / code > < / pre >
< p > Then run it with:< / p >
< pre > < code class = "bash" > sudo python myscript.py
< / code > < / pre > < / article >
< article class = "pin4_5v_power" > < h1 > 5v Power< / h1 > < ul > < li > Physical pin 4< / li > < / ul > < h3 > The 5v power pins are connected directly to the Pi's power input and will capably provide the full current of your mains adaptor, less that used by the Pi itself.< / h3 >
< p > With a decent power supply, such as the official Pi adaptor, you can expect to pull about 1.5A.< / p >
< p > Don't be disuaded by what sounds like a measly low voltage. You can do a lot with 5v. Power Arduinos, and even run a small Electroluminescent wire inverter right off the 5v pin!< / p > < / article >
< article class = "pin5_gpio3" > < h1 > BCM 3 (SCL)< / h1 > < ul > < li > Physical pin 5< / li > < li > BCM pin 3< / li > < li > Wiring Pi pin 9< / li > < li > BCM pin 1 on Rev 1 ( very early ) Pi< / li > < / ul > < pre > < code class = "python" > require 'wiringpi2'
HIGH = 1
LOW = 0
OUTPUT = 1
INPUT = 0
io = WiringPi::GPIO.new
io.pin_mode(9,OUTPUT)
io.digital_write(9,HIGH)
< / code > < / pre > < / article >
< article class = "pin6_ground" > < h1 > Ground< / h1 > < ul > < li > Physical pin 6< / li > < / ul > < p > Ground!< / p > < / article >
< article class = "pin7_gpio4" > < h1 > BCM 4 (GPCLK0)< / h1 > < ul > < li > Physical pin 7< / li > < li > BCM pin 4< / li > < li > Wiring Pi pin 7< / li > < / ul > None< / article >
< article class = "pin8_gpio14" > < h1 > BCM 14 (TXD)< / h1 > < ul > < li > Physical pin 8< / li > < li > BCM pin 14< / li > < li > Wiring Pi pin 15< / li > < / ul > None< / article >
< article class = "pin9_ground" > < h1 > Ground< / h1 > < ul > < li > Physical pin 9< / li > < / ul > < p > Ground!< / p > < / article >
< article class = "pin10_gpio15" > < h1 > BCM 15 (RXD)< / h1 > < ul > < li > Physical pin 10< / li > < li > BCM pin 15< / li > < li > Wiring Pi pin 16< / li > < / ul > None< / article >
< article class = "pin11_gpio17" > < h1 > BCM 17 < / h1 > < ul > < li > Physical pin 11< / li > < li > BCM pin 17< / li > < li > Wiring Pi pin 0< / li > < / ul > None< / article >
< article class = "pin12_gpio18" > < h1 > BCM 18 (PCM_C)< / h1 > < ul > < li > Physical pin 12< / li > < li > BCM pin 18< / li > < li > Wiring Pi pin 1< / li > < / ul > None< / article >
< article class = "pin13_gpio27" > < h1 > BCM 27 (PCM_D)< / h1 > < ul > < li > Physical pin 13< / li > < li > BCM pin 27< / li > < li > Wiring Pi pin 2< / li > < li > BCM pin 21 on Rev 1 ( very early ) Pi< / li > < / ul > None< / article >
< article class = "pin14_ground" > < h1 > Ground< / h1 > < ul > < li > Physical pin 14< / li > < / ul > < p > Ground!< / p > < / article >
< article class = "pin15_gpio22" > < h1 > BCM 22 < / h1 > < ul > < li > Physical pin 15< / li > < li > BCM pin 22< / li > < li > Wiring Pi pin 3< / li > < / ul > None< / article >
< article class = "pin16_gpio23" > < h1 > BCM 23 < / h1 > < ul > < li > Physical pin 16< / li > < li > BCM pin 23< / li > < li > Wiring Pi pin 4< / li > < / ul > None< / article >
< article class = "pin17_3v3_power" > < h1 > 3v3 Power< / h1 > < ul > < li > Physical pin 17< / li > < / ul > None< / article >
< article class = "pin18_gpio24" > < h1 > BCM 24 < / h1 > < ul > < li > Physical pin 18< / li > < li > BCM pin 24< / li > < li > Wiring Pi pin 5< / li > < / ul > None< / article >
< article class = "pin19_gpio10" > < h1 > BCM 10 (MOSI)< / h1 > < ul > < li > Physical pin 19< / li > < li > BCM pin 10< / li > < li > Wiring Pi pin 12< / li > < / ul > None< / article >
< article class = "pin20_ground" > < h1 > Ground< / h1 > < ul > < li > Physical pin 20< / li > < / ul > < p > Ground!< / p > < / article >
< article class = "pin21_gpio9" > < h1 > BCM 9 (MISO)< / h1 > < ul > < li > Physical pin 21< / li > < li > BCM pin 9< / li > < li > Wiring Pi pin 13< / li > < / ul > None< / article >
< article class = "pin22_gpio25" > < h1 > BCM 25 < / h1 > < ul > < li > Physical pin 22< / li > < li > BCM pin 25< / li > < li > Wiring Pi pin 6< / li > < / ul > None< / article >
< article class = "pin23_gpio11" > < h1 > BCM 11 (SCKL)< / h1 > < ul > < li > Physical pin 23< / li > < li > BCM pin 11< / li > < li > Wiring Pi pin 14< / li > < / ul > None< / article >
< article class = "pin24_gpio8" > < h1 > BCM 8 (CE0)< / h1 > < ul > < li > Physical pin 24< / li > < li > BCM pin 8< / li > < li > Wiring Pi pin 10< / li > < / ul > None< / article >
< article class = "pin25_ground" > < h1 > Ground< / h1 > < ul > < li > Physical pin 25< / li > < / ul > < p > Ground!< / p > < / article >
< article class = "pin26_gpio7" > < h1 > BCM 7 (CE1)< / h1 > < ul > < li > Physical pin 26< / li > < li > BCM pin 7< / li > < li > Wiring Pi pin 11< / li > < / ul > None< / article >
< article class = "pin27_id_sd" > < h1 > ID_SD< / h1 > < ul > < li > Physical pin 27< / li > < / ul > None< / article >
< article class = "pin28_id_sc" > < h1 > ID_SC< / h1 > < ul > < li > Physical pin 28< / li > < / ul > None< / article >
< article class = "pin29_gpio5" > < h1 > BCM 5 < / h1 > < ul > < li > Physical pin 29< / li > < li > BCM pin 5< / li > < li > Wiring Pi pin 0< / li > < / ul > None< / article >
< article class = "pin30_ground" > < h1 > Ground< / h1 > < ul > < li > Physical pin 30< / li > < / ul > < p > Ground!< / p > < / article >
< article class = "pin31_gpio6" > < h1 > BCM 6 < / h1 > < ul > < li > Physical pin 31< / li > < li > BCM pin 6< / li > < li > Wiring Pi pin 0< / li > < / ul > None< / article >
< article class = "pin32_gpio12" > < h1 > BCM 12 < / h1 > < ul > < li > Physical pin 32< / li > < li > BCM pin 12< / li > < li > Wiring Pi pin 0< / li > < / ul > None< / article >
< article class = "pin33_gpio13" > < h1 > BCM 13 < / h1 > < ul > < li > Physical pin 33< / li > < li > BCM pin 13< / li > < li > Wiring Pi pin 0< / li > < / ul > None< / article >
< article class = "pin34_ground" > < h1 > Ground< / h1 > < ul > < li > Physical pin 34< / li > < / ul > < p > Ground!< / p > < / article >
< article class = "pin35_gpio19" > < h1 > BCM 19 (MISO)< / h1 > < ul > < li > Physical pin 35< / li > < li > BCM pin 19< / li > < li > Wiring Pi pin 0< / li > < / ul > None< / article >
< article class = "pin36_gpio16" > < h1 > BCM 16 < / h1 > < ul > < li > Physical pin 36< / li > < li > BCM pin 16< / li > < li > Wiring Pi pin 0< / li > < / ul > None< / article >
< article class = "pin37_gpio26" > < h1 > BCM 26 < / h1 > < ul > < li > Physical pin 37< / li > < li > BCM pin 26< / li > < li > Wiring Pi pin 0< / li > < / ul > None< / article >
< article class = "pin38_gpio20" > < h1 > BCM 20 (MOSI)< / h1 > < ul > < li > Physical pin 38< / li > < li > BCM pin 20< / li > < li > Wiring Pi pin 0< / li > < / ul > None< / article >
< article class = "pin39_ground" > < h1 > Ground< / h1 > < ul > < li > Physical pin 39< / li > < / ul > < p > Ground!< / p > < / article >
< article class = "pin40_gpio21" > < h1 > BCM 21 (SCLK)< / h1 > < ul > < li > Physical pin 40< / li > < li > BCM pin 21< / li > < li > Wiring Pi pin 0< / li > < / ul > None< / article >
< / div >
2015-02-25 01:28:00 +08:00
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