Comments (3)
Like a self reset? or like suicide?
from board.
Like a self reset? or like suicide?
That functionality is already present through the watchdog that is also available at a GPIO.
This idea is to provide a way for an external board to use a GPIO ot cut the power of the board for longer periods of time. For example when connected to a solar panel and batteries in the night the LR can be turned on like for 2 minute each 10 minutes saving 80% of the battery power (even detecting if there is a station connected and keeping it on longer periods of time).
Ideally the voltage should be provided from the external source and the GPIO work from 3.3 to 24V.
from board.
Ok, so the GPIO is an external GPIO.
We can add there a PMOS transistor like:
with the same transistors that we are using for POE.
from board.
Related Issues (20)
- Move PCIe1 device HOT 1
- Change PCIe1 3.3V source HOT 2
- Change GPS 3.3V source HOT 1
- Individual disable for PCIe0 and 1 HOT 1
- Add hack ethernet port HOT 1
- Add magnetics board option HOT 1
- Power domain isolation HOT 2
- Shorten GPS uart path HOT 1
- Add JTAG connector HOT 1
- General track and vias review
- Complete BOM HOT 7
- Improve impedance of PCIe routing HOT 4
- Remove SPI connection from watchdog to core board (introduced by mistake in the Eagle to Kicad migration) HOT 1
- Improve Ethernet differential pair impedance and reduce series resistance HOT 2
- Missing holes in PCB HOT 6
- Missing Core Board? HOT 2
- Properly design coupled transmission lines HOT 2
- General Silk screen check
- Change JATG pull down resistors Value
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from board.