Ero sivun ”Raspberry Pi” versioiden välillä

MärklinWikistä
Siirry navigaatioon Siirry hakuun
 
(3 välissä olevaa versiota toisen käyttäjän tekemänä ei näytetä)
Rivi 1: Rivi 1:
 
[[Tiedosto:RasPi and Märklin draft.png|pienoiskuva|Ajatus RasPi:n ketjuttamisesta]]
 
[[Tiedosto:RasPi and Märklin draft.png|pienoiskuva|Ajatus RasPi:n ketjuttamisesta]]
 +
 
Sekalaisia ideoita ja ajatuksia '''Raspberry Pi''':n käytöstä pienoisrautatien kanssa.
 
Sekalaisia ideoita ja ajatuksia '''Raspberry Pi''':n käytöstä pienoisrautatien kanssa.
  
Rivi 18: Rivi 19:
 
*# Moottoriohjaus. Tasavirtamoottorit ja askelmoottorit.
 
*# Moottoriohjaus. Tasavirtamoottorit ja askelmoottorit.
  
−
[[Tiedosto:Raspberry-output-schema.pdf|thumb|mahdollinen lähdön kytkentä]]
+
{| class="wikitable"
 +
|-
 +
| [[Tiedosto:Raspberry-output-schema.pdf|thumb|mahdollinen lähdön kytkentä]]
 +
|}
  
 
GPIO lähdöt: http://pinout.xyz/
 
GPIO lähdöt: http://pinout.xyz/
Rivi 25: Rivi 29:
  
 
piirivalintaan http://www.onsemi.com
 
piirivalintaan http://www.onsemi.com
−
===K83===
 
−
Schema: http://www.pallund.dk/marklin/pictures/6083%28k83%29.jpg
 
−
* MC145027: Encoder and Decoder Pairs CMOS http://www.alldatasheet.com/datasheet-pdf/pdf/158307/MOTOROLA/MC145027.html
 
−
* MC14051 Analog Multiplexers/Demultiplexers http://www.alldatasheet.com/datasheet-pdf/pdf/11962/ONSEMI/MC14051.html
 
−
 
−
Oma dekooderi kunkin M-vaihteen sisään:
 
−
* http://home.arcor.de/dr.koenig/digital/eweichde.htm
 
−
* http://schematics.homepage.t-online.de/
 
−
 
−
[[Tiedosto:74460-K73-schema.pdf|thumb|left|74460 ja K73 piirikaavio]]
 
−
 
−
===S88===
 
−
[[Tiedosto:S88 schematics.png|pienoiskuva|S88 ḱytkentäkaavio]]
 
−
* MC14044 CMOS MSI(Quad R-S Latches) http://pdf1.alldatasheet.com/datasheet-pdf/view/11963/ONSEMI/MC14044B.html
 
−
* MC14014 8-Bit Static Shift Register http://pdf1.alldatasheet.com/datasheet-pdf/view/3515/MOTOROLA/MC14014B.html
 
−
 
 
== Junan IR havainnointi ==
 
== Junan IR havainnointi ==
  
Rivi 48: Rivi 36:
 
== Raspberry Pi:n versiot ==
 
== Raspberry Pi:n versiot ==
 
{| class="mw-collapsible mw-collapsed wikitable"
 
{| class="mw-collapsible mw-collapsed wikitable"
−
!
+
! Type
−
! Raspberry Pi 1<br />Model A
+
! colspan="2" width=22% | Model A
−
! Raspberry Pi 1<br />Model A+
+
! colspan="5" width=44% | Model B
−
! Raspberry Pi 1<br />Model B
+
! colspan='3' width=11% | Compute Module*
−
! Raspberry Pi 1<br />Model B+
+
! colspan="2" width="11%" | Zero
−
! Raspberry Pi 2<br /> Model B
 
−
! Raspberry Pi Zero
 
 
|-
 
|-
−
! Julkaistu:
+
! Generations
−
| Helmikuu 2013
+
| 1
−
| Marraskuu 2014
+
| 1 +
−
| Huhti-kesäkuu 2012
+
| 1
−
| Heinäkuu 2014
+
| 1 +
−
| Helmikuu 2015
+
| 2
−
| Marraskuu 2015
+
| 2 ver 1.2
 +
| 3
 +
| 1
 +
| 3
 +
| 3 lite
 +
| PCB ver 1.2
 +
| PCB ver 1.3
 
|-
 
|-
−
! Hinta:
+
! Release date
 +
| February 2012
 +
| November 2014
 +
| April–June 2012
 +
| July 2014
 +
| February 2015
 +
| October 2016
 +
| February 2016
 +
| April 2014
 +
| colspan='2'| January 2017
 +
| November 2015
 +
| May 2016
 +
|-
 +
! Target price
 
| US$25
 
| US$25
 
| US$20
 
| US$20
Rivi 70: Rivi 75:
 
| US$25
 
| US$25
 
| US$35
 
| US$35
 +
| US$35
 +
| US$35
 +
| US$30 (in batches of 100)
 +
| $30
 +
| $25
 +
| US$5
 
| US$5
 
| US$5
 
|-
 
|-
−
! SoC:
+
! Architecture
−
| colspan="4" | Broadcom BCM2835 (CPU, GPU, DSP, SDRAM, yksi USB-portti)
+
| colspan="4"| ARMv6Z (32-bit)
−
| Broadcom BCM2836 (CPU, GPU, DSP, SDRAM, yksi USB-portti)
+
| ARMv7-A (32-bit)
−
| Broadcom BCM2835
+
| colspan="2"| ARMv8-A (64/32-bit)
 +
| colspan="1" | ARMv6Z (32-bit)
 +
| colspan="2"| ARMv8-A (64/32-bit)
 +
| colspan="2" | ARMv6Z (32-bit)
 
|-
 
|-
−
! CPU:
+
! SoC
−
| colspan="4" | 700&nbsp;MHz single-core ARM1176JZF-S
+
| colspan="4"| Broadcom BCM2835
−
| 900&nbsp;MHz quad-core ARM Cortex-A7
+
| Broadcom BCM2836
−
| 1&nbsp;GHz ARM1176JZF-S single-core
+
| colspan="2"| Broadcom BCM2837
 +
| colspan="1" | Broadcom BCM2835
 +
| colspan="2"| Broadcom BCM2837
 +
| colspan="2" | Broadcom BCM2835
 
|-
 
|-
−
! GPU:
+
! CPU
−
| colspan="6" | Broadcom VideoCore IV @ 250&nbsp;MHz<br/>OpenGL ES 2.0 (24&nbsp;GFLOPS)<br/>MPEG-2 and VC-1 (with license), 1080p30 H.264/MPEG-4 AVC high-profile decoder and encoder
+
| colspan="4"| 700&nbsp;MHz single-core ARM11 76JZF-S
 +
| 900&nbsp;MHz 32-bit quad-core ARM Cortex-A7
 +
| 900&nbsp;MHz 64-bit quad-core ARM Cortex-A53
 +
| 1.2&nbsp;GHz 64-bit quad-core ARM Cortex-A53
 +
| 700&nbsp;MHz single-core ARM11 76JZF-S
 +
| colspan='2'| 1.2&nbsp;GHz 64-bit quad-core ARM Cortex-A53
 +
| colspan="2" | 1&nbsp;GHz single-core ARM11 76JZF-S
 
|-
 
|-
−
! Memory (SDRAM):
+
! GPU
−
| colspan="2" |256&nbsp;MB (shared with GPU)
+
| colspan="12" | Broadcom VideoCore IV @ 250&nbsp;MHz (BCM2837: 3D part of GPU @ 300&nbsp;MHz, video part of GPU @ 400&nbsp;MHz)<br/>OpenGL ES 2.0 (BCM2835, BCM2836: 24&nbsp;GFLOPS / BCM2837: 28.8&nbsp;GFLOPS)<br/>MPEG-2 and VC-1 (with license), 1080p30 H.264/MPEG-4 AVC high-profile decoder and encoder (BCM2837: 1080p60)
−
| colspan="2" |512&nbsp;MB (shared with GPU) as of 15 October 2012
 
−
| 1&nbsp;GB (shared with GPU)
 
−
| 512&nbsp;MB
 
 
|-
 
|-
−
! USB 2.0 ports:
+
! Memory (SDRAM)
−
| colspan="2" |1 (direct from BCM2835 chip)
+
| colspan="1"| 256&nbsp;MB (shared with GPU)
−
| 2 (via the on-board 3-port USB hub; one USB port internally connected to the Ethernet port)
+
| colspan="3"| 512&nbsp;MB (shared with GPU) as of 4 May 2016. Older boards had 256&nbsp;MB (shared with GPU)
−
| colspan="2" | 4 (via the on-board 5-port USB hub; one USB port internally connected to the Ethernet port)
+
| colspan="3"| 1&nbsp;GB (shared with GPU)
−
| Micro-USB (direct from BCM2835 chip)
+
| colspan="1" | 512&nbsp;MB (shared with GPU)
 +
| colspan="2"| 1&nbsp;GB (shared with GPU)
 +
| colspan="2" | 512&nbsp;MB (shared with GPU)
 
|-
 
|-
−
! Video input:
+
! USB 2.0 ports
−
| colspan="5" | 15-pin MIPI camera interface (CSI) connector, used with the Raspberry Pi camera or Raspberry Pi NoIR camera
+
| colspan="2"| 1 (direct from BCM2835 chip)
−
|
+
| 2 (via the on-board 3-port USB hub)
 +
| colspan="4"| 4 (via the on-board 5-port USB hub)
 +
| 1 (direct from BCM2835 chip)
 +
| colspan="2" | 1 (direct from BCM2837 chip)
 +
| colspan="2" | 1 Micro-USB (direct from BCM2835 chip)
 +
|-
 +
! Video input
 +
| colspan="7"| 15-pin MIPI camera interface (CSI) connector, used with the Raspberry Pi camera or Raspberry Pi NoIR camera
 +
| colspan='3'| 2× MIPI camera interface (CSI)
 +
| None
 +
| MIPI camera interface (CSI) (rev 1.3)
 
|-
 
|-
−
! Video outputs:
+
! Video outputs
−
| HDMI (rev 1.3 & 1.4), 14 HDMI resolutions from 640×350 to 1920×1200 plus various PAL and NTSC standards, composite video (PAL and NTSC) via RCA jack
+
| HDMI (rev 1.3), composite video (RCA jack), MIPI display interface (DSI) for raw LCD panels
−
| HDMI (rev 1.3 & 1.4), 14 HDMI resolutions from 640×350 to 1920×1200 plus various PAL and NTSC standards, composite video (PAL and NTSC) via 3.5&nbsp;mm TRRS jack shared with audio out
+
| HDMI (rev 1.3), composite video (3.5&nbsp;mm TRRS jack), MIPI display interface (DSI) for raw LCD panels
−
| HDMI (rev 1.3 & 1.4), 14 HDMI resolutions from 640×350 to 1920×1200 plus various PAL and NTSC standards, composite video (PAL and NTSC) via RCA jack
+
| HDMI (rev 1.3), composite video (RCA jack), MIPI display interface (DSI) for raw LCD panels
−
| colspan="2" | HDMI (rev 1.3 & 1.4), 14 HDMI resolutions from 640×350 to 1920×1200 plus various PAL and NTSC standards, composite video (PAL and NTSC) via 3.5&nbsp;mm TRRS jack shared with audio out
+
| colspan="4"| HDMI (rev 1.3), composite video (3.5&nbsp;mm TRRS jack), MIPI display interface (DSI) for raw LCD panels
−
| Mini-HDMI, 1080p60, RCA composite video via GPIO
+
| colspan='3'|HDMI, 2× MIPI display interface (DSI) for raw LCD panels, composite video
 +
| colspan="2" | Mini-HDMI, 1080p60, composite video via marked points on PCB for optional header pins
 
|-
 
|-
−
! Audio inputs:
+
! Audio inputs
−
| colspan="6" |As of revision 2 boards via I²S
+
| colspan="12" | As of revision 2 boards via I²S
 
|-
 
|-
−
! Audio outputs:
+
! Audio outputs
−
| colspan="5" |Analog via 3.5&nbsp;mm phone jack; digital via HDMI and, as of revision 2 boards, I²S
+
| colspan="7"| Analog via 3.5&nbsp;mm phone jack; digital via HDMI and, as of revision 2 boards, I²S
−
| Mini-HDMI, stereo audio through PWM on GPIO
+
| colspan='3'| Analog, HDMI, I²S
 +
| colspan="2" | Mini-HDMI, stereo audio through PWM on GPIO
 
|-
 
|-
−
! On-board storage:
+
! On-board storage
−
| SD / MMC / SDIO card slot (3.3&nbsp;V with card power only)
+
| SD, MMC, SDIO card slot (3.3&nbsp;V with card power only)
−
| MicroSD slot
+
| MicroSDHC slot
−
| SD / MMC / SDIO card slot
+
| SD, MMC, SDIO card slot
−
| colspan="3" | MicroSD slot
+
| colspan="3"| MicroSDHC slot
 +
| MicroSDHC slot, USB Boot Mode
 +
| colspan='2'| 4&nbsp;GB eMMC flash memory chip
 +
| colspan="3" | MicroSDHC
 
|-
 
|-
−
! On-board network:
+
! On-board network
−
| colspan="2" |None
+
| colspan="2"| None
−
| colspan="3" | 10/100&nbsp;Mbit/s Ethernet (8P8C) USB adapter on the third/fifth port of the USB hub (SMSC lan9514-jzx)
+
| colspan="4"| 10/100&nbsp;Mbit/s Ethernet (8P8C) USB adapter on the USB hub
−
| None
+
| 10/100&nbsp;Mbit/s Ethernet,<br/>802.11n wireless,<br />Bluetooth 4.1
 +
| colspan="5" |None
 
|-
 
|-
−
! Low-level peripherals:
+
! Low-level peripherals
−
| 8× GPIO plus the following, which can also be used as GPIO: UART, I²C bus, SPI bus with two chip selects, I²S audio +3.3&nbsp;V, +5&nbsp;V, ground<br/>
+
| 8× GPIO plus the following, which can also be used as GPIO: UART, I²C bus, SPI bus with two chip selects, I²S audio +3.3&nbsp;V, +5&nbsp;V, ground
 
| 17× GPIO plus the same specific functions, and HAT ID bus
 
| 17× GPIO plus the same specific functions, and HAT ID bus
 
| 8× GPIO plus the following, which can also be used as GPIO: UART, I²C bus, SPI bus with two chip selects, I²S audio +3.3&nbsp;V, +5&nbsp;V, ground.
 
| 8× GPIO plus the following, which can also be used as GPIO: UART, I²C bus, SPI bus with two chip selects, I²S audio +3.3&nbsp;V, +5&nbsp;V, ground.
−
An additional 4× GPIO are available on the P5 pad if the user is willing to make solder connections<br/>
+
An additional 4× GPIO are available on the P5 pad if the user is willing to make solder connections
−
| colspan="2" | 17× GPIO plus the same specific functions, and HAT ID bus
+
| colspan="4"| 17× GPIO plus the same specific functions, and HAT ID bus
−
| 40x GPIO
+
| colspan='3| 46× GPIO, some of which can be used for specific functions including I²C, SPI, UART, PCM, PWM
 +
| colspan="2" | 40× GPIO ("unpopulated header")
 
|-
 
|-
−
! Power ratings:
+
! Power ratings
 
| 300&nbsp;mA (1.5&nbsp;W)
 
| 300&nbsp;mA (1.5&nbsp;W)
 
| 200&nbsp;mA (1&nbsp;W)
 
| 200&nbsp;mA (1&nbsp;W)
 
| 700&nbsp;mA (3.5&nbsp;W)
 
| 700&nbsp;mA (3.5&nbsp;W)
 
| 600&nbsp;mA (3.0&nbsp;W)
 
| 600&nbsp;mA (3.0&nbsp;W)
−
| 800&nbsp;mA (4.0&nbsp;W)
+
| colspan="3"| 800&nbsp;mA (4.0&nbsp;W)
 +
| 200&nbsp;mA (1&nbsp;W)
 +
| colspan='2'| 700mA (3.5&nbsp;W)
 
| ~160&nbsp;mA (0.8&nbsp;W)
 
| ~160&nbsp;mA (0.8&nbsp;W)
 +
|
 
|-
 
|-
−
! Power source:
+
! Power source
−
| colspan="6" | 5&nbsp;V via MicroUSB or GPIO header
+
| colspan="12" | 5&nbsp;V via MicroUSB or GPIO header
 
|-
 
|-
−
! Size:
+
! Size
−
| 85.60&nbsp;mm × 56.5&nbsp;mm &ndash; not including protruding connectors
+
| 85.60 × 56.5 mm, not including protruding connectors
−
| 65&nbsp;mm × 56.5&nbsp;mm &ndash; (same as HAT board) and 10&nbsp;mm high
+
| 65 × 56.5 × 10 mm, same as HAT board
−
| colspan="3" | 85.60&nbsp;mm × 56.5&nbsp;mm &ndash; not including protruding connectors
+
| colspan="4"| 85.60 × 56.5 mm, not including protruding connectors
−
| 65&nbsp;mm × 30&nbsp;mm × 5&nbsp;mm
+
| 85.60 × 56.5 × 17 mm
 +
| 67.6 × 30 mm
 +
| colspan='2'| 67.6 × 31 mm
 +
| 65 × 30 × 5 mm
 +
|
 +
|-
 +
! Weight
 +
| 31 g
 +
| 23 g
 +
| colspan="5"| 45 g
 +
| 7 g
 +
| colspan='2'|
 +
| 9 g
 +
|
 
|-
 
|-
−
! Weight:
+
! Console
−
| 45&nbsp;g
+
| colspan="10"| Micro-USB cable or a serial cable with optional GPIO power connector
−
| 23&nbsp;g
+
| colspan="2" |
−
| colspan="3" | 45&nbsp;g
 
−
| 9&nbsp;g
 
 
|-
 
|-
−
! Console:
+
! Generation
−
| colspan="5"|Micro-USB cable or Adafruit serial cable with optional GPIO power connector
+
| 1
−
|  
+
| 1 +
 +
| 1
 +
| 1 +
 +
| 2
 +
| 2 ver 1.2
 +
| 3
 +
| 1
 +
| 3
 +
| 3 lite
 +
| PCB ver 1.2
 +
| PCB ver 1.3
 
|-
 
|-
−
!
+
! Type
−
! Model A
+
! colspan="2" width=22% | Model A
−
! Model A+
+
! colspan="5" width=44% | Model B
−
! Model B
+
! colspan='3' width=11% | Compute Module*
−
! Model B+
+
! colspan="2" width="11%" | Zero
−
! Generation 2<br /> Model B
 
−
! Zero
 
 
|}
 
|}
 +
''&#42; all interfaces are via 200-pin DDR2 SO-DIMM connector.''

Nykyinen versio 24. helmikuuta 2017 kello 11.57

Ajatus RasPi:n ketjuttamisesta

Sekalaisia ideoita ja ajatuksia Raspberry Pi:n käytöstä pienoisrautatien kanssa.

Märklinin ohjaus Raspberry Pi:llä

Kommunikointi eri Raspberry Zero -korttien välillä voidaan tehdä RS-485 väylää käyttäen ja esimerkiksi MODBUS-protokollalla. Tämä protokolla mahdollistaa yksittäisten bittien ja sanojen kirjoittamisen ja lukemisen toisilta väylään kytketyiltä laitteilta.

GPIO ajatuksia

Seuraavia lähtöjä ja tuloja olisi hyvä olla:

  • tulot
    1. on/off-tulo, esim kontaktikiskot (vrt S88)
    2. lähestymisanturi, esim junan havaitsemiseen ilman kosketusta.
  • lähdöt, toteutus esim MC14094-piirillä
    1. on/off relelähtö: jänniteen kytkeminen oheislaitteelle
    2. pwm-lähtö: esim valaistuksen voimakkuuden säätäminen
    3. pulssilähtö: esim vaihteiden ohjaukseen. Pulssin pituus säädettävissä, kuten esim CS:ssä.
    4. Servo. PWM-lähtö servon ohjaukseen
    5. Moottoriohjaus. Tasavirtamoottorit ja askelmoottorit.
mahdollinen lähdön kytkentä

GPIO lähdöt: http://pinout.xyz/

Optotriac esim MOC3052

piirivalintaan http://www.onsemi.com

Junan IR havainnointi

https://www.azatrax.com/ir-model-train-detector.html

Raspberry Pi:n versiot

Type Model A Model B Compute Module* Zero
Generations 1 1 + 1 1 + 2 2 ver 1.2 3 1 3 3 lite PCB ver 1.2 PCB ver 1.3
Release date February 2012 November 2014 April–June 2012 July 2014 February 2015 October 2016 February 2016 April 2014 January 2017 November 2015 May 2016
Target price US$25 US$20 US$35 US$25 US$35 US$35 US$35 US$30 (in batches of 100) $30 $25 US$5 US$5
Architecture ARMv6Z (32-bit) ARMv7-A (32-bit) ARMv8-A (64/32-bit) ARMv6Z (32-bit) ARMv8-A (64/32-bit) ARMv6Z (32-bit)
SoC Broadcom BCM2835 Broadcom BCM2836 Broadcom BCM2837 Broadcom BCM2835 Broadcom BCM2837 Broadcom BCM2835
CPU 700 MHz single-core ARM11 76JZF-S 900 MHz 32-bit quad-core ARM Cortex-A7 900 MHz 64-bit quad-core ARM Cortex-A53 1.2 GHz 64-bit quad-core ARM Cortex-A53 700 MHz single-core ARM11 76JZF-S 1.2 GHz 64-bit quad-core ARM Cortex-A53 1 GHz single-core ARM11 76JZF-S
GPU Broadcom VideoCore IV @ 250 MHz (BCM2837: 3D part of GPU @ 300 MHz, video part of GPU @ 400 MHz)
OpenGL ES 2.0 (BCM2835, BCM2836: 24 GFLOPS / BCM2837: 28.8 GFLOPS)
MPEG-2 and VC-1 (with license), 1080p30 H.264/MPEG-4 AVC high-profile decoder and encoder (BCM2837: 1080p60)
Memory (SDRAM) 256 MB (shared with GPU) 512 MB (shared with GPU) as of 4 May 2016. Older boards had 256 MB (shared with GPU) 1 GB (shared with GPU) 512 MB (shared with GPU) 1 GB (shared with GPU) 512 MB (shared with GPU)
USB 2.0 ports 1 (direct from BCM2835 chip) 2 (via the on-board 3-port USB hub) 4 (via the on-board 5-port USB hub) 1 (direct from BCM2835 chip) 1 (direct from BCM2837 chip) 1 Micro-USB (direct from BCM2835 chip)
Video input 15-pin MIPI camera interface (CSI) connector, used with the Raspberry Pi camera or Raspberry Pi NoIR camera 2× MIPI camera interface (CSI) None MIPI camera interface (CSI) (rev 1.3)
Video outputs HDMI (rev 1.3), composite video (RCA jack), MIPI display interface (DSI) for raw LCD panels HDMI (rev 1.3), composite video (3.5 mm TRRS jack), MIPI display interface (DSI) for raw LCD panels HDMI (rev 1.3), composite video (RCA jack), MIPI display interface (DSI) for raw LCD panels HDMI (rev 1.3), composite video (3.5 mm TRRS jack), MIPI display interface (DSI) for raw LCD panels HDMI, 2× MIPI display interface (DSI) for raw LCD panels, composite video Mini-HDMI, 1080p60, composite video via marked points on PCB for optional header pins
Audio inputs As of revision 2 boards via I²S
Audio outputs Analog via 3.5 mm phone jack; digital via HDMI and, as of revision 2 boards, I²S Analog, HDMI, I²S Mini-HDMI, stereo audio through PWM on GPIO
On-board storage SD, MMC, SDIO card slot (3.3 V with card power only) MicroSDHC slot SD, MMC, SDIO card slot MicroSDHC slot MicroSDHC slot, USB Boot Mode 4 GB eMMC flash memory chip MicroSDHC
On-board network None 10/100 Mbit/s Ethernet (8P8C) USB adapter on the USB hub 10/100 Mbit/s Ethernet,
802.11n wireless,
Bluetooth 4.1 		None
Low-level peripherals 8× GPIO plus the following, which can also be used as GPIO: UART, I²C bus, SPI bus with two chip selects, I²S audio +3.3 V, +5 V, ground 17× GPIO plus the same specific functions, and HAT ID bus 8× GPIO plus the following, which can also be used as GPIO: UART, I²C bus, SPI bus with two chip selects, I²S audio +3.3 V, +5 V, ground.

An additional 4× GPIO are available on the P5 pad if the user is willing to make solder connections

17× GPIO plus the same specific functions, and HAT ID bus 46× GPIO, some of which can be used for specific functions including I²C, SPI, UART, PCM, PWM 40× GPIO ("unpopulated header")
Power ratings 300 mA (1.5 W) 200 mA (1 W) 700 mA (3.5 W) 600 mA (3.0 W) 800 mA (4.0 W) 200 mA (1 W) 700mA (3.5 W) ~160 mA (0.8 W)
Power source 5 V via MicroUSB or GPIO header
Size 85.60 × 56.5 mm, not including protruding connectors 65 × 56.5 × 10 mm, same as HAT board 85.60 × 56.5 mm, not including protruding connectors 85.60 × 56.5 × 17 mm 67.6 × 30 mm 67.6 × 31 mm 65 × 30 × 5 mm
Weight 31 g 23 g 45 g 7 g 9 g
Console Micro-USB cable or a serial cable with optional GPIO power connector
Generation 1 1 + 1 1 + 2 2 ver 1.2 3 1 3 3 lite PCB ver 1.2 PCB ver 1.3
Type Model A Model B Compute Module* Zero

* all interfaces are via 200-pin DDR2 SO-DIMM connector.

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