Home

Raspberry Pi SPI chip select

Andreas: Soweit ich weiß muss man den Chip über SPI ansprechen und das geht nur mit den dafür vorgesehenen GPIO's mit der SPI Sonderfunktion - oder kann man das ummappen? //EDIT: Was aber auch wichtig ist: spi0.close () also das Schließen des handler - das wird in der von Dir erwähnten Anleitung leider auch vergessen The Raspberry Pi 3B+ and Raspberry Pi 4 has 2 chip select GPIO 7 and GPIO 8 but i have 6 slave devices (MCP3008 A/D converter). As far as im aware it possible to use ordinary GPIO as chip select. My Pis have not arrived yet from order, and in the meantime i have started to design my pcb

On the Raspberry Pi 4, 400 and Compute Module 4 there are four additional SPI buses: SPI3 to SPI6, each with 2 hardware chip selects. These extra SPI buses are available via alternate function assignments on certain GPIO pins - see the BCM2711 ARM Peripherals datasheet Der Raspberry Pi kann über den digitalen GPIO-Port nicht nur per I 2 C, UART oder bitweise kommunizieren, sondern hat auch eine SPI-Schnittstelle. Beim Modell B/B+ und folgende sind die SPI-Pins auf der GPIO-Steckerleiste über folgende Pins erreichbar

SPI Chip Select - Deutsches Raspberry Pi Foru

  1. Skip to main content; Skip to footer; Accessbility statement and help; Hardwar
  2. ich wollte mal fragen, ob es möglich ist mehr als 2 Chip Selects mit dem Pi zu benutzen und wenn ja wie? Ich habe nämlich mehrere Module, die ich (gleichzeitig) über SPI ansteuern möchte. Kann ich einen GPIO Pin einfach missbrauchen? LG ml
  3. Here is what a standard SPI setup looks like, multiple slaves is optional. SS - Slave Select (Beagleboard community calles this Chip Select (CS)) MOSI - Master Out Slave In MISO - Master In Slave Ou
  4. al, ru
  5. GPIO 7 (SPI Chip Select 1) at Raspberry Pi GPIO Pinout. The comprehensive add-on boards & GPIO Pinout guide for the Raspberry Pi. Raspberry Pi Pinout. 13v3 Power

Choosing GPIO for Chip select SPI on Rpi 3B+ - Raspberry

Known as the four-wire serial bus, SPI lets you attach multiple compatible devices to a single set of pins by assigning them different chip-select pins. To talk to an SPI device, you assert its corresponding chip-select pin. By default the Pi allows you to use SPI0 with chip select pins on CE0 on GPIO 8 and CE1 on GPIO 7 Raspberry Pi 4 Computer Model B 4 GB. The Raspberry Pi is equipped with 1 SPI bus that has 2 chip selects which is disabled by default on Raspberry Pi default OS Raspbian. To enable it, use raspi-config. Once the SPI driver is loaded, you should see the device /dev/spidev0. after entering >ls /dev/*spi* The comprehensive Add-on boards & GPIO Pinout guide for the Raspberry Pi. Raspberry Pi Pinout. 1 3v3 Stromversorgung; 3 BCM 2 (SDA) 5 BCM 3 (SCL) 7 BCM 4 (GPCLK0) 9 Masse (Ground) 11 BCM 17 ; 13 BCM 27 ; 15 BCM 22 ; 17 3v3 Stromversorgung; 19 BCM 10 (MOSI) 21 BCM 9 (MISO) 23 BCM 11 (SCLK) 25 Masse (Ground) 27 BCM 0 (ID_SD) 29 BCM 5 ; 31 BCM 6 ; 33 BCM 13 (PWM1) 35 BCM 19 (MISO) 37 BCM 26 ; 39. When creating a device it picks the entry from this array indexed by the chip-select number, and uses this to set cs_gpio in the spi_device structure. If spi->cs_gpio is valid then driver has to initialise a GPIO to an output and drive it appropriately Skip to main content; Skip to footer; Accessbility statement and hel

Raspberry Pi Documentation - Raspberry Pi Hardwar

Hardware. Low-cost, high-performance Raspberry Pi computers and accessorie The BCM2835 on the Raspberry Pi has 3 SPI Controllers. The main SPI (with two slave selects) is available on the header of all Pis with Linux kernel support. The second SPI (with the option of up to three slave selects) is available on 40-pin versions of Pis, with kernel support from Raspbian Jessie 2016-05-10 distribution and up. Chapter 10 in the BCM2835 ARM Peripherals datasheet describes. Enabling any SPI with any Chip Select In order to activate Chip Select, you'll need to add a specific dtoverlay on the /boot/config.txt file. If you've used the previous way of activating SPI0, you should comment the line dtparam=spi=on and add what follows using the dtoverlay configurations Pin 24 - BCM8 (GPIO8) - CE0 - Serial Peripheral Interface Bus Chip Select (SPI Bus) Der physikalische Pin 24 der Raspberry Pi GPIO Schnittstelle wird mit BCM Pin8 bezeichnet. Das Serial Peripheral Interface (kurz SPI) Bus-System überträgt synchron Daten, über den SPI-Bus können digitale Schaltungen nach dem Master-Slave-Prinzip miteinander verbunden werden Pin 26 - BCM7 (GPIO7) - CE1 - Serial Peripheral Interface Bus Chip Select (SPI Bus) Der physikalische Pin 26 der Raspberry Pi GPIO Schnittstelle wird mit BCM Pin7 bezeichnet. Das Serial Peripheral Interface (kurz SPI) Bus-System überträgt synchron Daten, über den SPI-Bus können digitale Schaltungen nach dem Master-Slave-Prinzip miteinander verbunden werden

Raspberry Pi: How to speed up SPI chip select transition using spidev?Helpful? Please support me on Patreon: https://www.patreon.com/roelvandepaarWith tha.. The Raspberry Pi only implements master mode at this time and has 2 chip-select pins, so can control 2 SPI devices. (Although some devices have their own sub-addressing scheme so you can put more of them on the same bus Der Treiber für den SPI-Bus muss am Raspberry Pi via raspi-config aktiviert werden. Es werden mindestens drei gemeinsame Leitungen benötigt: - SCLK (Serial Clock) wird vom Master zur Synchronisation ausgegeben - MOSI (Master Output, Slave Input) - MISO (Master Input, Slave Output) - CE Chip Enable 0 & 1 (oder auch called Chip Select) - Optional Alternative Funktionen ALT0 ALT1 ALT2 ALT3 ALT4. Hat e-lnk Display 640x384 SPI for Raspberry Pi Red/Black/White 7.5inch e-Paper, low active, Standard Raspberry Pi header on module, allowed to be attached onto Pi directly, compatible with Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+,Compatible with Raspberry Pi 2B/3B/3B+/Zero/Zero W, Interface: SPI, DIN SPI MOSI pin, CLK SPI SCK pin, CS SPI chip selection,Large online shopping mall,Quality. The comprehensive Add-on boards & GPIO Pinout guide for the Raspberry Pi. Raspberry Pi Pinout. 1 3v3 Stromversorgung; 3 GPIO 2 (SDA) 5 GPIO 3 (SCL) 7 GPIO 4 (GPCLK0) 9 Masse (Ground) 11 GPIO 17; 13 GPIO 27; 15 GPIO 22; 17 3v3 Stromversorgung; 19 GPIO 10 (MOSI) 21 GPIO 9 (MISO) 23 GPIO 11 (SCLK) 25 Masse (Ground) 27 GPIO 0 (ID_SD) 29 GPIO 5; 31 GPIO 6; 33 GPIO 13 (PWM1) 35 GPIO 19 (MISO) 37.

SPI Support In Raspberry Pi 3. Raspberry Pi 3 supports two chip select (CE) lines to interface with two SPI slave devices. If you try to locate the SPI pins in the pin diagram above, you can see that GPIO10 and GPIO11 represent CE0 and CE1. A little closer inspection will also reveal the MISO, MOSI, and SCLK pins. Look out for them. SPI In Action. Let's build a real working circuit to. The Raspberry Pi has two fixed chip select and chip enable outputs: Pin 24 is CE0, pin 26 is CE1. Use spi.open (0,0) when using the component connected to CE0, or spi.open (0,1) if the chip select output CE1 is used. The first number before the comma determines the SPI channel, in ours Case channel 0. Channel 1 is available at pins 11, 12 and 13, but we stay with channel 0 The Pi's SPI peripheral has two chip selects, so it is theoretically possible to use the exact same bus while using the first chip select for the ENC28J60 (which it uses by default) and using the second chip select for the other device. However, it goes without saying that network communications require some serious computing firepower so it might cause a bit of a performance hit in general. I want to write a kernel module for the raspberry pi 0 which controls a peripheral over SPI. When I want to select a SPI device on chip select 0 I

Background & Software Setup. The Raspberry Pi has three types of serial interface on the GPIO header. You're probably already familiar with the UART serial port, which allows you to open a session from a serial terminal application, such as PuTTY.. The other two serial interfaces are the Serial Peripheral Interface (SPI) and Inter-Integrated-Circuit bus (I2C) You should be able to use software chip select in your Raspberry-pi based project; likely you can do so through the SPI driver though that depends a little on precisely which one you are using. To take things to an absurd extreme, you could even use something like a 74HC139 3-of-8 decoder to drive your chip selects from fewer GPIOs; but in real systems you'd typically run into fan-out. Before proceeding remember that like the Inter-Integrated circuit (I2C) Serial Peripheral Interface (SPI) communication also follow the master-slave architecture but unlike the I2C communication SPI can has only one master device which in our case is the Raspberry Pi and the number of the slave is limited not by the address register but by the chip select pins that are available on the master. I now have the two chips running happily on 5V with the return (MISO) line appropriately limited to keep it within the Pi 3.3 volts. The fix was to add a 74HC buffer on each of the outgoing lines, MOSI, SCK and CS

The chip select, also called slave select, consists of pin 24 (CE0), and pin 26 (CE1). These control lines are for selecting the slave device when sending data. The selected device receives the data, whilst the other device ignores it. Clock. The clock signal, generated by the Raspberry Pi, feeds the slave devices. This is because SPI is a synchronous bus communication system where data bits. Raspberry Pi SPI 23 June, 2017. These are general notes, there are often caveats with GPIO/SPI applications on any embedded device. Raspberry Pi SPI pinout shows two SPI ports spi0 spi1 for most non-Compute Module Raspberry Pi models. Raspberry Pi Compute Modules have three SPI ports, with the addition of spi2 that's only available on the Compute Modules Der Raspberry Pi bietet zwei Pins für den SPI-Chip-Select, CS0 und CS1, an denen jeweils ein Display hängt. Waveshare bietet seine E-Ink-Bildschirme mit oder ohne Raspberry-Pi-HAT an. Greifen Sie für eines der Displays zur Variante mit HAT, erspart Ihnen das beim vorgestellten Aufbau das Löten. Die Waveshare-Displays bringen einen programmierbaren Controller mit, dessen Logik der von. spi: bcm2835: transform native-cs to gpio-cs on first spi_setup Transforms the bcm-2835 native SPI-chip select to their gpio-cs equivalent. This allows for some support of some optimizations that are not possible due to HW-gliches on the CS line - especially filling the FIFO before enabling SPI interrupts (by writing to CS register) while the transfer is already in progress (See commit. The comprehensive Add-on boards & GPIO Pinout guide for the Raspberry Pi. Raspberry Pi Pinout. 1 3v3 Stromversorgung; 3 BCM 2 (SDA) 5 BCM 3 (SCL) 7 BCM 4 (GPCLK0) 9 Masse (Ground) 11 BCM 17 ; 13 BCM 27 ; 15 BCM 22 ; 17 3v3 Stromversorgung; 19 BCM 10 (MOSI) 21 BCM 9 (MISO) 23 BCM 11 (SCLK) 25 Masse (Ground) 27 BCM 0 (ID_SD) 29 BCM 5 ; 31 BCM 6 ; 33 BCM 13 (PWM1) 35 BCM 19 (MISO) 37 BCM 26 ; 39.

SPI hat eine CS bzw. SS Leitung, beim Raspberry heißt diese CE0 oder CE1. So wie ich es verstanden habe wählt diese Leitung den Chip aus. Da ich nur einen Chip verwende dachte ich mir ich lege die Leitung am MCP3204 direkt auf GND. Damit funktionierte es dann nicht. Mit der CE1 Leitung am CS des MCP3204 lief es dann wieder CB1: set chip select high. CB2: set chip select low. CB3: write next 32-bit word to the FIFO. The controller is normally executing CB3, waiting for the next SPI data request. When this arrives, it executes CB1 then CB2, briefly setting the chip select high & low to start a new data capture

Waveshare RS485 CAN Raspberry Pi HATRandom Stuff: Interfacing a Serial SD Card Logger with

The Raspberry Pi only implements master mode at this time and has 2 chip-select pins, so can control 2 SPI devices. The SPI master driver is disabled by default on Raspbian. To enable it follow the steps below. Run sudo raspi-config. Use the down arrow to select 9 Advanced Options. Arrow down to A6 SPI The SPI device determines the data speed. Raspberry Pi hardware supports speeds from 500 kHz to 32 MHz (myspidevice.Speed from 500000 to 32000000) SPI is full duplex. Perform read or write operations concurrently using writeRead. To read data from SPI, send dummy values. To write data to SPI, discard the data it returns (Data-In vom Raspberry Pi) ̅̅̅̅ (Chip-Select, LOW-Aktiv) D GND (Digitale Masse) Die eigentliche Kommunikation findet über die beiden Leitungen D OUT und D IN statt. 5 Die analogen Eingänge befinden sich auf der linken Seite des Bausteins, wobei die einzelnen Pins die Bezeichnung CH0 bis CH7 besitzen. Es handelt sich um die 8 Kanäle des AD-Wandlers. Wie du die Kanäle ansteuern kannst. The BCM2711, used with the Model 4, is more flexible and has 5 SPI Master interfaces SPI0, SPI3, SPI4, SPI5, SPI6 and two mini SPI interfaces, SP1 and SPI2 ( BCM2711 ARM Peripherals, Raspberry Pi (Trading) Ltd., Version 1, 5th February 2020, p. 168). Of course, not every SoC peripheral is connected to a header on the Raspberry Pi

The secondary select can sometimes be called chip select (CS) or chip enable (CE). Advantage of SPI communications between Raspberry Pi and Arduino. In the earlier example I showed how serial communications can be handled over the USB or serial ports on the Raspberry Pi and Arduino. That is the easiest way to connect one pair of devices. The advantage of SPI is that you can control multiple. First, the CS (Chip Select) pin is pulled low and the SCLK (SPI Clock) starts oscillating. This gives us valuable information that channel 0 is the CS pin and channel 6 is SCLK. Next, the master begins sending a command to the flash chip. Channel 7 is MOSI. The master's command is done (4 bytes long, 32 bits) marking the beginning of the slave's response. Channel 1 is MISO. Slave continues.

no_cs - Set the SPI_NO_CS flag to disable use of the chip select (although the driver may still own the CS pin) lsbfirst; max_speed_hz; mode - SPI mode as two bit pattern of clock polarity and phase [CPOL|CPHA], min: 0b00 = 0, max: 0b11 = 3; threewire - SI/SO signals shared; Methods open(bus, device) Connects to the specified SPI device, opening /dev/spidev<bus>.<device> readbytes(n) Read n. Hi,ich habe auf meinem Raspberry Pi2 eine LCD44780 installiert und Das RFID-Modul. Beide benutzen SPI Bussystem. Ich kann die nicht zusammen zum Laufen bringen. Ich überlege ob das nicht damit zu tun hat dass die beide Bauteile über SPI kommuniziere Raspberry Pi 40 pin header . On the BerryIMUv3, they are called; SDI (Slave Data In) SDO (Slave Data Out) SPC (Serial Port Clock) CS (Chip Select) When we connect a BerryIMUv3 to a Raspberry Pi using SPI, the Raspberry Pi will be acting as a master and the BerryIMUv3 will be acting as a slave. This is how they are connected logically :param spi_port: 0 = spi0, 1 = spi1 :param miso: SPI data receive pin :param mosi: SPI data transmit pin :param clock_pin: clock pin :param clk_frequency: clock frequency in Hz. :param chip_select_list: this is a list of pins to be used for chip select. The pins will be configured as output, and set to high ready to be used for chip select. NOTE: You must specify the chips select pins here.

2-Channel Isolated CAN Bus Expansion HAT for Raspberry Pi

Raspberry Pi: SPI-Schnittstelle - Netzmafi

SPI chip select active high - Raspberry Pi Forum

Raspberry Pi Pico project 2 - MCP3008. This post show you how to drive the MCP3008 8-channel ADC using a Raspberry Pi Pico. I'll start with a personally embarrassing and annoyingly relevant story. I'll also tell you about a minor 'gotcha' when using SPI on the Pico, and how you can avoid it. Finally, I've include the code and fritzing diagram I. Other overlays are available with fewer chip select signals ( spi1-2cs and spi1-cs). The Raspberry Pi model 4 and the Compute Module has even more SPI buses. 4. Permission Because the SPI device interface is used to read and write, users of a SPI device node must have root permissions. However, in Raspbian Buster and Raspberry Pi OS members of the spi group have access to the interface and the. We assume, that you connect the chip with a chip select that coresponds to your SPI port. ATM we don't support to use general GPIOs for chip selects. Also no daisy chaining is supported, as the device doesn't support that. This example shows the wiring of a MAX31855 with a Raspberry Pi Zero W, on SPI port 0 and chip select 0. This corresponds to spidev0.0. Add the device. The device is named. Raspberry PI - Adding more inputs using the 74HC165 shift input chip. Connecting the Raspberry PI to a shift input board uses less GPIO pins and giving you eight inputs. To connect this you need to enable the SPI (Serial Peripheral Interface) chip interface. The chip reads eight parallel inputs and converts it to a serial data stream

Mehr als 2 SPI Chip Select? - Deutsches Raspberry Pi Foru

The Raspberry Pi Pico is the core of the Neotron Pico. It uses PIO statemachines to generate 12-bit Super VGA video, and digital 16 bit 48 kHz stereo audio. It also has both I²C and SPI buses. SPI chipselects and IRQs are handled by an SPI-to-GPIO expander. This provides eight chip-selects and eight IRQs, to support up to eight expansion slots. Arducam Mini 2MP Plus - OV2640 SPI Camera Module for Arduino UNO Mega2560 Board & Raspberry Pi Pico. Buy Now. Can be used in MCU, Raspberry Pi, ARM, DSP, FPGA platforms. 2 megapixels image sensor OV2640. M12 mount or CS mount lens holder with changeable lens options SPI is a cousin of the I2C communication protocol (check out our I2C with Raspberry Pi tutorial), however it is a faster method of communication than I2C, with the drawback of needing a Chip Select wire for every slave device on the bus. Like in our I2C tutorial, take a look at the SPI and the Arduino tutorial which covers the ins and outs of SPI communication in a general sense, before moving.

Getting SPI working on the Raspberry Pi - Brian Hensle

Windows 10 ILI9341 TFT LCD spi display - Hackster

Controlling an SPI device with the Raspberry Pi - Takaitra

How to manually toggle the chip select of Raspberry Pi 3 SPI in the following code? My objective is to call transfer() twice for 16-bit transaction. int.. The PI-SPI-8AI+ Analog Input Module has been designed with 4 Chip Selects. This allows for up to 32 analog inputs to one Raspberry when using the PI-SPI series. Each input can be either:0 to 20 mA (4-20 mA)0 to 5 VDC (full scale 6.6 VDC)0 to 10 VDC (fill scale 0 to 12 VDC)10K Thermistor for Temperature sensing (opera :param spi_port: 0 = spi0, 1 = spi1 :param miso: SPI data receive pin :param mosi: SPI data transmit pin (19 for :param clock_pin: clock pin :param clk_frequency: clock frequency in Hz. :param chip_select_list: this is a list of pins to be used for chip select. The pins will be configured as output, and set to high ready to be used for chip select. NOTE: You must specify the chips select pins. While doing some research online I found several articles/posts from people using a Raspberry Pi to flash SPI flash chips. Apparently the Raspberry Pi is very suitable for this kind of thing as it has a SPI interface and is able to run linux. I was eager to try this out for myself so I got out my Pi 3 model B and got to work. For this project I used a Winbond 25X80 salvaged from a motherboard.

PN532 NFC RFID Arduino Raspberry Pi -Comprar en México

GPIO 7 (SPI Chip Select 1) at Raspberry Pi GPIO Pinou

SPI: MCP23s08 & MCP23s17. WiringPi supports an extension module for the MCP23s08 (8-bit) and the MCP23s17 (16-bit) SPI GPIO expansion chips. The Raspberry Pi has one SPI bus with two enable or select signals. The MCP23s08 and MCP23s17's have 3 address select bits so in-theory you can connect up to 8 MCP23s08 and MCP23S17's on the same SPI. The all new digital input interface for the Raspberry PI is here! The Pi-SPi-8DI has 8 inputs that can either DC or AC (Max 24 V) and are optically isolated. The design is based on the Microchip MCP23S08 IO expander. Each MCP23S08 has 4 addresses using the same SPI Chip Select line, meaning 4 modules (32 Inputs) can be used simultaneously myspidevice = spidev (mypi,channel) creates a connection, myspidevice, from the MATLAB software to the chip select pin, Channel, of the SPI device on the Raspberry Pi hardware. example. myspidevice = spidev (mypi,channel,mode,speed,BitsPerWord) sets one or more of the optional Mode, Speed, and BitsPerWord properties

Serial Peripheral Interface (SPI

LCD display / touch panel SPI clock signal: 24: LCD_CS: LCD chip select signal, low level enable: 26: TP_CS: Touch panel chip select signal, low level enable : Product Size; How to use in the Raspberry/Ubuntu Mate/Kali/Retropie system There are two ways to use it The First Method Directly download the image we created and burn it into the micro SD card and insert it into the RaspberryPi. (Q. Now select the Raspberry Pi and then SPI Chip-Select 0. 5. This selection will now bring up a screen that shows you all the values of the channels. Now to add the LDR, the process is pretty much the same, but I will go through it anyway. 1. Go back up to add new and then select device. 2. Find or select the photoresistor (Luminosity Sensor). 3. For this one select your Raspberry Pi, your. The Pi's SPI peripheral has two chip selects, so it is theoretically possible to use the exact same bus while using the first chip select for the ENC28J60 (which it uses by default) and using the second chip select for the other device. However, it goes without saying that network communications require some serious computing firepower so it might cause a bit of a perf Command-line Utility for Raspberry Pi. iP Solu­tions has cre­ated a Ser­ial Periph­eral Inter­face ( SPI) command-line util­ity for the Rasp­berry Pi ( www.raspberrypi.org) plat­form. The util­ity, spincl , is licensed under Open Source GNU GPLv3 and is being offered by iP Solu­tions as a free down­load with source included pi@raspberrypi:~ $ python mcp3008-spi.py Channel 0 : 928 Einh. = 2.9935 V = 90.7 % Channel 1 : 0 Einh. = 0.0 V = 0.0 % Channel 2 : 0 Einh. = 0.0 V = 0.0 % Channel 3 : 1 Einh. = 0.0032 V = 0.1 % Channel 4 : 2 Einh. = 0.0065 V = 0.2 % Channel 5 : 11 Einh. = 0.0355 V = 1.1 % Channel 6 : 34 Einh. = 0.1097 V = 3.3 % Channel 7 : 58 Einh. = 0.1871 V = 5.7 % An Channel 0 hängt unserer Foto-Widerstand.

i2c / SPI character LCD backpackFavorite station code for FM receiver using tea5767, nokiaRaspberry PiでOLED(SSD1331)を動かしてみる · ゆずあふろのブログ

Search for jobs related to Raspberry pi spi chip select or hire on the world's largest freelancing marketplace with 19m+ jobs. It's free to sign up and bid on jobs A typical SPI device has one Chip Select input line. So, on a stock Raspberry Pi one can connect two SPI devices: Both share SCLK, MOSI and MISO, and each one uses its own Chip Select. You might be wondering where the Chip Select input line is on an LED strip. Answer: There is none. You therefore can't disable the Strip from reading data on SCLK/MOSI, at least not without additional hardware. Raspberry Pi, B+ ve Pi 2 için Pin şematiği . Raspberry Pi Pinout. 1 SPI (Serial Peripheral Interface) I 2 C (Inter-integrated Circuit) UART (Universal Asyncronous Receiver/Transmitter) Ground 5v (Power) 3.3v (Power) UART; WiringPi; Toprak; I2C; SPI; SDIO; JTAG; DPI; PCM; 1-WIRE; GPCLK; Browse more HATs, pHATs and add-ons » BCM 8 (SPI Chip Select 0) Alt0 Alt1 Alt2 Alt3 Alt4 Alt5; SPI0. La guida completa ai pin GPIO del Raspberry Pi originale. Raspberry Pi Pinout. 1 Alimentazione a 3.3V; 3 BCM 2 (SDA) 5 BCM 3 (SCL) 7 BCM 4 (GPCLK0) 9 Massa; 11 BCM 17 ; 13 BCM 27 ; 15 BCM 22 ; 17 Alimentazione a 3.3V; 19 BCM 10 (MOSI) 21 BCM 9 (MISO) 23 BCM 11 (SCLK) 25 Massa; 27 BCM 0 (ID_SD) 29 BCM 5 ; 31 BCM 6 ; 33 BCM 13 (PWM1) 35 BCM 19 (MISO) 37 BCM 26 ; 39 Massa; 2 Alimentazione a 5V; 4.