Very nice and helpful video, Rob. Thank you for sharing your knowledge. Looking forward to the next one. :)
@SmartBoatInnovations
11 ай бұрын
Thanks a lot, Yannis! I'm glad you found it helpful. Your feedback encourages me to share more. Stay tuned for the next video! 😊
@paial
6 ай бұрын
Your channel is awesome. One request I would like to make is for reading RPM of the main engine. I tried some circuits I found online, trying to read from the W signal of the alternator with no luck... Cheers
@SmartBoatInnovations
6 ай бұрын
Thanks! I am hoping to make a RPM video next.
@SmartBoatInnovations
3 ай бұрын
I now have a Tachometer video. Works great. kzitem.info/news/bejne/jq6c0ot4bIRjeqQ
@RicciConnection
8 ай бұрын
Thank You for some very impressive work. Very helpful information. I'm hoping to get some feedback regarding the oil pressure sensor you are using. You talk about hooking the INA219 IN+ terminal up to a wire marked "gauge". You also mention additional wires for a warning light and isolated earth terminal. My diesel generator oil sensor has one terminal and is nothing more than a variable resistor connected to engine ground. I'm very new to this but I'm thinking your sensor puts out voltage while mine does not. Is there a way I can make my sensor work and also not impact the operation of its analog gauge? Is there a schematic I can refer to?
@SmartBoatInnovations
8 ай бұрын
Thanks. The oil sensor in my video, and nearly all ones on the market, are based on resistence. Yours also sounds like a single terminal resistence based sensor. The single wire from the ina219 will also be connected to this sensor along with your existing connection. There is a schematic diagram in the video. As the sensor resistence changes with varying pressure we will measure the different resulting voltage. For best results use the engine ground as the negative to the esp32. This ensures that that the voltage reading is accurate. Let me know how you get on.
@RicciConnection
8 ай бұрын
Appreciate the feedback. I followed your instructions and I now have things working. What I didn't realize is that the generator's sender and gauge had to be fully hooked up and supplied voltage in order for the INA219 to get a reading. The even better news is that the INA219 sensor being connected to the generator's sender does not change the existing gauge reading. Outstanding!
@SmartBoatInnovations
8 ай бұрын
Great to hear you got it working. Yes the INA219 is not very obtrusive when it reads voltages this way. In theory it might change the reading very slightly but in practice it is impossible to view this minor change via a manual gauge. @@RicciConnection
@jaumevadell5924
9 ай бұрын
Thanks for sharing your knowledge. It's a very interesting project. Are you considering sending the data to signalk server?
@SmartBoatInnovations
9 ай бұрын
Thanks. I am glad you are enjoying it. I am planning on developing a custom integration to take data from SignalK into the SmartBoat Home Assistant, but in the other direction I'm not quite sure what SignalK could do with information from the SmartBoat Home Assistant.
@SVRockChalk
Ай бұрын
Had to start over, long story, lol. But upload to ESP32 via WiFi and get error code 104 any wear from 24% to 63%.
@SmartBoatInnovations
Ай бұрын
@@SVRockChalk Im my latest video about Bilge Pumps I have a tips and tricks chapter for esp32 amd esphome. Watch that and especially the part about removing non essential yaml.
@aktxyz
5 ай бұрын
is this with a DS18B20 based temp sensor ?
@SmartBoatInnovations
5 ай бұрын
This video uses the DS18B20... kzitem.info/news/bejne/yZylmoSab32pn3o
@SVRockChalk
9 ай бұрын
Will this work if you are reading resistance or oms will this work if you are reading resistance or ohms?
@SmartBoatInnovations
9 ай бұрын
The setup I have shown works for sensors that work on resistance. And because of OHMs law we can then measure the voltage to determine the reading. Most sensors are in the range 10 - 184 Ohm.
@MarleyMarlz1234
4 ай бұрын
I'm trying this project using a new oil pressure sensor that has 3 wires (red black yellow). I believe this sensor (5V) is quite common on aliexpress, etc and the output is voltage. Any suggestions for how to connect this type of sensor?
@SmartBoatInnovations
4 ай бұрын
The method I show in this video is for a sensor that is also connected to an analogue gauge. This analogue gauge supplies voltage and has a voltage divider circuit. If your sensor has 3 wires then I presume red is +5ve, black is -ve and the yellow would be a signal that corresponds to a variable voltage depending on the pressure. Try connecting the yellow wire to the INA219 VIN+ like I have in the video. You then need to supply +5v and ground as well tonthe sensor. If my assumption is correct the yellow wire voltage will be a range from 0v to 5v depending on the pressure. The Aliexpress product page should have a calibtation chart that matches voltage to psi or bar. You then use this info on the yaml configuration I provided.
@MarleyMarlz1234
4 ай бұрын
@@SmartBoatInnovations Thanks so much. That all makes sense and I will give it a try.
@lukasjonsson3264
6 күн бұрын
Will this work if I have a pressure sensor that is from 0 to 40 bar? assume that yours is zero to five bar, but does it work the same to plug in another pressure sensor?
@SmartBoatInnovations
4 күн бұрын
@@lukasjonsson3264 Yes it will work for any range of pressure sensors that are currently connected to a working analogue gauge. These sensors also work on resistence which we then measure as a voltage to display the digital pressure value after cakibration in the esphome yaml.
@lukasjonsson3264
Күн бұрын
@@SmartBoatInnovations Thanks! If I want to use two sensors to measure the ditch pressure between two sensors. Do you have any clever formula for that? I will measure the pressure at a water filter. One sensor before the filter and the other sensor after the filter. That way I can tell when the filter is full of crap. Because there will be higher pressure on one side of the filter and lower pressure on the other side of the filter when its full.
@SmartBoatInnovations
4 сағат бұрын
In Home Assistant, you could create a helper template sensor that calculates this pressure difference dynamically, and you could set up an alert or notification for when the pressure difference exceeds a certain threshold, indicating the filter is clogged.
@SVRockChalk
10 ай бұрын
I know that my Oil sensor is monitored via resistance. Will this still work?
@SmartBoatInnovations
10 ай бұрын
Absolutely, this setup will work with your oil sensor. It's quite common for oil pressure sensors, like yours, to operate based on changes in resistance in response to varying oil pressures. In the video, we use the ESP32 and INA219 module to measure the voltage derived from this resistance change. This allows us to accurately calculate the oil pressure. This approach is effective for sensors that function on resistance changes, ensuring that you can reliably monitor your oil pressure using the method described. I hope this helps you in your DIY project!
@MarleyMarlz1234
3 ай бұрын
Has anyone gotten this to work for them? Mine doesn't see the INA219 (tried three different boards and checked wiring a hundred times) [16:45:30][I][i2c.arduino:096]: Results from i2c bus scan: [16:45:30][I][i2c.arduino:098]: Found no i2c devices!
@SmartBoatInnovations
3 ай бұрын
Yes many have. It is also used for the digital gauges. Not sure what is going wrong. Set the logger level to DEBUG in esphome. This might show you the problem. And make sure you have the i2c part in the yaml with the correct GPI pins. If it still does not work send me a email with pics of your wiring, yaml and debug logs. In the debug logs you should see the i2c connection with the esp32.
@MarleyMarlz1234
3 ай бұрын
@@SmartBoatInnovations Thank you, I will keep trying.
@SVRockChalk
25 күн бұрын
Do you know what and error 104 is? og details (WARNING) Logger: aioesphomeapi.connection Source: runner.py:189 First occurred: 3:32:54 PM (1 occurrences) Last logged: 3:32:54 PM beta60-wsp @ 192.168.2.228: Connection error occurred: [Errno 104] Connection reset by peer
@SmartBoatInnovations
24 күн бұрын
@@SVRockChalk Most likely a Wifi problem. If this happens when you are updating a new config then look a my Bilge Pump video and remove the non necessary definitions from your Yaml configuration. If not send me more info to my email.
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