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Updated Xiaomi Mi Desk Lamp (markdown)

Gabor Simon 2019-03-11 13:37:18 +04:00
parent 7102021f8e
commit 92e9b6ffc1
1 changed files with 21 additions and 1 deletions
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20
Xiaomi-Mi-Desk-Lamp.md

@ -22,6 +22,9 @@ To configure it as `Generic`, here is the GPIO assignment:
- GPIO12: Rotary switch A pin (`GPIO_ROT_A`) - GPIO12: Rotary switch A pin (`GPIO_ROT_A`)
- GPIO13: Rotary switch B pin (`GPIO_ROT_B`) - GPIO13: Rotary switch B pin (`GPIO_ROT_B`)
NOTE: The operation of the rotary switch depends on the module type being `MI_DESK_LAMP`, so full functionality cannot be achieved with the `Generic` config.
# Flashing # Flashing
This lamp is based on a YeeLight LXU 1.7 module, that contains: This lamp is based on a YeeLight LXU 1.7 module, that contains:
@ -131,3 +134,20 @@ dhcp server start:(ip:192.168.4.1,mask:255.255.255.0,gw:192.168.4.1)
add if1 add if1
bcn 100 bcn 100
``` ```
## Hacking
The lamp has 3 pins that aren't used in normal operation: ADC, GPIO0 and GPIO15.
GPIO15 is and must be pulled up for boot selection, so its usability is somewhat limited.
On the other hand, if you already soldered wires to VCC, GND and GPIO0 for serial
flashing, they are perfect for a DHT11 or DHT22 temperature+humidity sensor!
As the lamp has external power supply, and the leds are in the upper part of the lamp,
the temperature of the base is the same as of the ambient, and by its nature the lamp
is situated on your desk, so it's a perfect place for temp+humidity measurements.
If you want to place the sensor inside the lamp base, then you may need to remove some
material from one of the weight panels, and if you choose to place it on the outside
(eg. near the base), then a convenient and relatively hidden path for the 3 wires is
above the power jack, just enlarge the hole by 2 mm-s with a file.