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RaspberryPi/UART: Difference between revisions
From OER in Education
→RaspberryPi_UART_and_USB_power.JPG
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= RaspberryPi_UART_POWER.JPG = | = Powering the Raspberry Pi = | ||
The UART connector can also power the Raspberry Pi. However, do not connect two power sources! The two scenarios shown below are alternatives. | |||
== RaspberryPi_UART_POWER.JPG == | |||
Raspberry Pi B+ powered via UART/serial cable: | Raspberry Pi B+ powered via UART/serial cable: | ||
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[[Image:RaspberryPi_UART_POWER.JPG | 300px ]] | [[Image:RaspberryPi_UART_POWER.JPG | 300px ]] | ||
= RaspberryPi_UART_and_USB_power.JPG = | In this case, you should not connect USB power. | ||
== RaspberryPi_UART_and_USB_power.JPG == | |||
Raspberry Pi B+ connected via UART/serial cable, but powered through USB: | Raspberry Pi B+ connected via UART/serial cable, but powered through USB: | ||
[[Image:RaspberryPi_UART_and_USB_power.JPG | 300px ]] | [[Image:RaspberryPi_UART_and_USB_power.JPG | 300px ]] | ||
In this case, you should not power the Raspberry Pi via UART (i.e. do not connect the red cable on the UART connector). | |||
Similar image, for model B from http://elinux.org/RPi_Serial_Connection | Similar image, for model B from http://elinux.org/RPi_Serial_Connection | ||
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[[Image:RaspberryPi_UART_Ethernet.JPG | 300px ]] | [[Image:RaspberryPi_UART_Ethernet.JPG | 300px ]] | ||
If you remove the USB power supply, you could also power the Raspberry Pi using the red UART cable. | |||
