On the Adafruit Boards, consumer seasidemotors appears to make an oil stress gauge with an Adafruit QT Py processor and a personality show.
So I’ve a easy 16×2 LCD displaying an oil stress studying from a stress transducer. I had the LCD laying round for a pair years now and needed to place it to make use of. I’m going to put in this into my previous 02′ Subie with like 250,000 miles on it, I fear about how a lot life the previous piston slap comfortable flat 4 has in left in it.
I actually like how I used to be capable of match all the setup on the again of the LCD and hold all of it contained inside its measurement boundaries and the entire package deal is about 21mm thick from entrance to again. Compact and Petite, identical to my QT Py 😉
BOM:
Adafruit 16×2 LCD Show
Adafruit I2C Backpack for the LCD (SPI to I2C Converter)
Adafruit QT Py SAMD21 (Lifetime of the social gathering!)
Traco TSR-1-2450 21v to 5v (I actually like this one for its easy bullet proof design and compact measurement, Though the Adafruit MPM-3610 is one other stable alternative for stepping down automotive 12v programs)
22K and 68K 0.6w 1% resistors for the required voltage divider on the analog enter.
IN4007 Diode on the 5v energy enter to the QT PY.
0.5v-4.5v (0-100psi) stress transducer
See the small print in on the Adafruit Boards.
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