Simple Lux Meter build went VERY sideways (needed a whole new O/S!) @Slider2732_
Simple Lux Meter build went VERY sideways (needed a whole new O/S!)  @Slider2732_
Uploaded February 2025 | Updated September 2026, 2 weeks ago
A supposedly simple, easy and quick project turned into a complicated mess.
Nothing worked to make the PC see it's own ports, including swapping USB cables, resetting the PC, nothing. The eventual idea was to live boot a completely different operating system.
That worked :)
At the end of all of it, I did a 'sudo apt-get update' in Linux Mint and the flippin' ports began working again!
Still, it was worth the exercise of running a new distribution and getting around such a problem.


The needed libraries for the screen and lux sensor can be found in the libraries section of the Arduino IDE.
Update - 0.96" 80x160 ST7735S screen also works with the same connections. The screen code needs to be rotated 90 degrees :)
tft.setRotation(3);

Here are the connections that I used, for an ESP8266 (NodeMCU), ST7735 screen and BH1750 lux sensor.
Connections - ST7735 to ESP8266
VCC GND CS RST A0 SDA SCL LED
3V GND D0 RST D3 D7 D5 3V via 200 Ohm resistor
BH1750 to ESP8266
VCC GND SCL SDA ADDR
3V GND D2 D1 3V


Image by OpenClipart-Vectors from Pixabay
Sound Effect by Herdina Primasanti from Pixabay
Little Britain clip from youtube.com/watch?v=x0YGZPycMEU


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Reviews: youtube.com/watch?v=8jAJysXXsw8&list=PLIhGrBMUdssUYzRgA1mrp18zwpTtClmov


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#ESP8266 #DIY #project #ports
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Simple Lux Meter build went VERY sideways (needed a whole new O/S!)

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