bareboat-necessities / bbn-m5atomS3-lite

NMEA-0183 XDR Sensors on ESP32 m5atomS3-lite
https://github.com/bareboat-necessities/bbn-m5atomS3-lite
MIT License
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Add support for 240-33 ohm sensors (0-190ohm too) for (oil pressure, rudder angle, fuel level, etc) #2

Open mgrouch opened 2 weeks ago

mgrouch commented 2 weeks ago

Add support for 240-33 ohm sensors (0-190ohm too) European (10 to 180 Ohm range) or American (240 to 33 Ohm range)

To support:

Example (Tank sensor): https://www.amazon.com/Sending-240-33-Stainless-Marine-Sensor/dp/B09CP8PCXW

Example (Rudder sensor): https://www.acdcusa.com/A2C1102950001-Veratron-Rudder-Angle-Sensor-f-Single-Station_p_245550.html

Example (Oil Pressure sensor): https://acdcmarineinc.com/shop/marine-engine-sending-units-switches/senders/oil-pressure-sensor-0-5-bar-with-alarm-0-8-bar-npt-1-8-27-0-10-bar-10-184%cf%89/

mgrouch commented 2 weeks ago

Would need something like this:

https://shop.m5stack.com/products/adc-i2c-unit-v1-1-ads1100

https://www.electromaker.io/shop/product/adc-v11-unit-is-an-ad-conversion-module-that-utilizes-the-ads1110-chip

see: https://github.com/m5stack/M5-ADS1100/tree/master/examples/Unit_ADC_M5Atom

mgrouch commented 2 weeks ago

Can be also done with INA219

https://youtu.be/ScP7xjOwWFg

mgrouch commented 2 weeks ago

See also

https://github.com/SignalK/SensESP/tree/main/examples/fuel_level_sensor