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hardwarerelated:raspberry_pi_4

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hardwarerelated:raspberry_pi_4 [2019/08/31 02:10]
chris [not working epaper: 2.9“ 296×128 ePaper Display Modue/SPI Interface]
hardwarerelated:raspberry_pi_4 [2019/11/24 08:51]
chris
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-==== sensors/addon list ====+==== Sensors/addon list ====
   * Raspberry Pi USB-C power supply 5,1V / 3,0A, EU   * Raspberry Pi USB-C power supply 5,1V / 3,0A, EU
   * Micro HDMI Adaptercable D-Stecker -A-Buchse 15cm schwarz   * Micro HDMI Adaptercable D-Stecker -A-Buchse 15cm schwarz
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   * 2.9" 296×128 ePaper Display Modul mit SPI Interface, dreifarbig (rot, schwarz, weiß) [[https://www.berrybase.de/raspberry-pi-co/raspberry-pi/module-sensoren/2.9-296-215-128-epaper-display-modul-mit-spi-interface-dreifarbig-40-rot-schwarz-wei-223-4|link]] [[https://www.waveshare.com/wiki/2.9inch_e-Paper_Module|docs]]   * 2.9" 296×128 ePaper Display Modul mit SPI Interface, dreifarbig (rot, schwarz, weiß) [[https://www.berrybase.de/raspberry-pi-co/raspberry-pi/module-sensoren/2.9-296-215-128-epaper-display-modul-mit-spi-interface-dreifarbig-40-rot-schwarz-wei-223-4|link]] [[https://www.waveshare.com/wiki/2.9inch_e-Paper_Module|docs]]
  
-==== first steps after booting ====+==== First steps after booting ====
 <code> <code>
 # ssh pi@<ip> # ssh pi@<ip>
Line 41: Line 41:
 ### temperature in prompt ### temperature in prompt
 $ export PS1='\u@\h:'`vcgencmd measure_temp|cut -b 6,7`'°C:\w\$ ' $ export PS1='\u@\h:'`vcgencmd measure_temp|cut -b 6,7`'°C:\w\$ '
 +
 +### firmware update
 +apt update 
 +apt upgrade
 +apt install rpi-eeprom 
 +rpi-eeprom-update
 </code> </code>
  
-==== overheating issues ====+==== Overheating issues ====
   * My first use of the pi4 was in 32°C environment temperature, without passive or active cooling. After some minutes, the pi4 was no longer reachable via SSH.   * My first use of the pi4 was in 32°C environment temperature, without passive or active cooling. After some minutes, the pi4 was no longer reachable via SSH.
   * I had directly ordered a set of passive coolers with the pi4, I placed these 4 on the chips, but things got not much better.   * I had directly ordered a set of passive coolers with the pi4, I placed these 4 on the chips, but things got not much better.
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 # this finally works for me # this finally works for me
 </code> </code>
 +
 +==== further ====
 +  * [[http://retroflag.com/|retroflag]] cases do not support raspi4 as of 2019-09
hardwarerelated/raspberry_pi_4.txt · Last modified: 2020/07/13 13:55 by chris