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@ -161,7 +161,7 @@ $ sudo cat /proc/device-tree/model
``` ```
This should return `MangoPi MQ Pro` This should return `MangoPi MQ Pro`
### Update ### First Update
```console ```console
$ apt update $ apt update
``` ```
@ -240,6 +240,9 @@ Providing a full GPIO how-to is beyond the scope of this document, I use GPIOd t
There are many tutorials on doing this online that give a better explanation than I can here There are many tutorials on doing this online that give a better explanation than I can here
For some basic GPIO use look at the following:
https://worldbeyondlinux.be/posts/gpio-on-the-mango-pi/
## Allwinner D1 GPIO pins ## Allwinner D1 GPIO pins
The **D1** SOC runs at 3v3, and you must not exceed this on any of the GPIO pins. The drive current is also very limited, a maximum of 4mA on any individual pin, and 6mA total across a bank of pins (eg the 12 pins in the `*PB*` bank combined cannot draw more than 6mA!). The **D1** SOC runs at 3v3, and you must not exceed this on any of the GPIO pins. The drive current is also very limited, a maximum of 4mA on any individual pin, and 6mA total across a bank of pins (eg the 12 pins in the `*PB*` bank combined cannot draw more than 6mA!).