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by y2kvette
Tue Sep 08, 2020 3:52 pm
Forum: Automation, sensing and robotics
Topic: Cat Home DIY Q&A - Solenoid Valve How To
Replies: 27
Views: 7393

Re: Cat Home DIY Question - How to Use Solenoid Valve

Puro-XD-12 Solenoid Valve Newbie Experiments Now I am using the following old solenoid ... new solenoid valve. RE: CAT FEEDER DIY - HOW TO USE SOLENOID tlfong01 2019Jan17 https://www.raspberrypi.org/forums/viewtopic.php?f=37&t=230984&start=25#p1417151 ...
by tlfong01
Wed Feb 20, 2019 12:25 pm
Forum: Beginners
Topic: Resistors and MOSFETs and fire-prevention, oh my
Replies: 156
Views: 19816

Re: Resistors and MOSFETs and fire-prevention, oh my

... 2. I looked at your chart I see that it won't be able to switch the valve. Logic Level Power MOSFET Solves The Problem Yes, IR F 540 replaced ... ( youtube logic level power MOSFET driving motor and solenoid ) Third Generation Power MOSFET IRL540N (Vgs(th) = 1.87V) Testing ...
by tlfong01
Mon Feb 11, 2019 2:18 pm
Forum: Beginners
Topic: RPI Zero W multiple sensors
Replies: 27
Views: 8279

Re: RPI Zero W multiple sensors

... sensor (CSMO v1.2) - 6. sensor control the solenoid valve to water the pod with relay 7. MCP3008 to convert ... for my relevant old posts using the keywords "tlfong01" + "hx711" + "mcp23017" ...
by tlfong01
Sun Feb 10, 2019 12:22 pm
Forum: Beginners
Topic: Resistors and MOSFETs and fire-prevention, oh my
Replies: 156
Views: 19816

Re: Resistors and MOSFETs and fire-prevention, oh my

... a discussion on how to detect 24VDC, and then how to drive a buzzer and solenoid, then solenoid valve, then EEG, and ECG, all of which has much to do with electricity and magnetism, which ...
by tlfong01
Mon Jan 28, 2019 1:02 pm
Forum: Automation, sensing and robotics
Topic: MCP23017 Learning Notes
Replies: 34
Views: 4586

Re: Cat Home DIY Q&A - Solenoid MCP23017 How To

tlfong01 wrote: ↑
Mon Jan 28, 2019 9:48 am
 MCP23017 Toggles Solenoid Valve

MCP23017 switching on/off solenoid valve and pressure booster pump at the same time

Now I am telling MCP23017 to switch on/off solenoid and motor at the same time, as show in the schematic below.

https://penzu.com/p/174b5d73
by tlfong01
Mon Jan 28, 2019 9:48 am
Forum: Automation, sensing and robotics
Topic: MCP23017 Learning Notes
Replies: 34
Views: 4586

Re: Cat Home DIY Q&A - Solenoid MCP23017 How To

tlfong01 wrote: ↑
Mon Jan 28, 2019 8:59 am

MCP23017 Toggles Solenoid Valve

youtube mcp23017 toggles solenoid valve.
https://youtu.be/UBEpBsEiCJk

The program listing
https://penzu.com/p/1bdc6ccd
...
by tlfong01
Mon Jan 28, 2019 4:08 am
Forum: Automation, sensing and robotics
Topic: MCP23017 Learning Notes
Replies: 34
Views: 4586

Re: Cat Home DIY Q&A - Solenoid MCP23017 How To

... and deactivates relay KY019, which in turn activates and deactivates solenoid valve Puro-XD-12, which turns switches on and off a water jet. I am building on the old ping ...
by tlfong01
Fri Jan 25, 2019 2:23 pm
Forum: Automation, sensing and robotics
Topic: MCP23017 Learning Notes
Replies: 34
Views: 4586

Re: Cat Home DIY Q&A - Solenoid MCP23017 How To

... RE: CAT HOME DIY QUESTION - HOW TO USE SOLENOID VALVE Postby tlfong01 » 2019-Jan-21 Mon 12:03 pm https://www.raspberrypi.org/forums/viewtopic.php?f=37&t=231541&p=1418054#p1419324 ...
by tlfong01
Thu Jan 24, 2019 1:10 pm
Forum: Automation, sensing and robotics
Topic: Cat Home DIY Q&A - RTC How To
Replies: 1
Views: 601

Cat Home DIY Q&A - RTC How To

... KY019 relay, MCP23017 IO extender, ZE1 Solenoid, Puro-XD-12 Solenoid valve, ESP8266-12. Now I am starting a new guy called RTC ... ... # DS3231 Real Time Clock Test Program v1.62 tlfong01 2019jan24hkt1726 # Hardware Software Description ...
by tlfong01
Mon Jan 21, 2019 4:03 am
Forum: Automation, sensing and robotics
Topic: Cat Home DIY Q&A - Solenoid Valve How To
Replies: 27
Views: 7393

Re: Cat Home DIY Question - How to Use Solenoid Valve

... 2. Who is Bernoulli? 3. Why I need a water pump to work with the solenoid valve. Is it not better to use gravity fed from the rooftop water tank? I googled and found ...
by tlfong01
Mon Jan 21, 2019 3:43 am
Forum: Automation, sensing and robotics
Topic: Cat Home DIY Q&A - Solenoid Valve How To
Replies: 27
Views: 7393

Re: Cat Home DIY Question - How to Use Solenoid Valve

... High Press Motor Required to Work with the Solenoid Valve The solenoid valve description says a high pressure ... topic: CAT HOME DIY Q&A - WATER PUMP HOW TO Postby tlfong01 » 2019-Jan-20 Sun 10:25 pm https://www.raspberrypi.org/forums/viewtopic.php?f=37&t=231740#p1419088
by tlfong01
Sun Jan 20, 2019 1:39 pm
Forum: Automation, sensing and robotics
Topic: Cat Home DIY Q&A - Solenoid Valve How To
Replies: 27
Views: 7393

Re: Cat Home DIY Question - How to Use Solenoid Valve

... water tank to my flat. High Press Motor Required to Work with the Solenoid Valve The solenoid valve description says a high pressure motor is required to work together. ...
by tlfong01
Sun Jan 20, 2019 1:03 pm
Forum: Automation, sensing and robotics
Topic: Cat Home DIY Q&A - Solenoid Valve How To
Replies: 27
Views: 7393

Re: Cat Home DIY Question - How to Use Solenoid Valve

Now I am trying to measure the water head in my home, where water comes from a water tank about 16 meters above. I don't know if I can calculate the water head from this results. I need to google again! Water Tank Volume Flow Rate Calculation I googled the online flow rate calculator below and the ...
by tlfong01
Sun Jan 20, 2019 8:37 am
Forum: Automation, sensing and robotics
Topic: Cat Home DIY Q&A - Solenoid Valve How To
Replies: 27
Views: 7393

Re: Cat Home DIY Question - How to Use Solenoid Valve

Mains Water Head Measurement Notes Now I am trying to measure the water head in my home, where water comes from a water tank about 16 meters above. Mains Water Flow Rate Measurement Notes I am filling a 15 litre fish tank from the mains 1/2" pipe. The stop watch record is displayed below. The ...
by tlfong01
Sun Jan 20, 2019 7:26 am
Forum: Automation, sensing and robotics
Topic: Cat Home DIY Q&A - Solenoid Valve How To
Replies: 27
Views: 7393

Re: Cat Home DIY Question - How to Use Solenoid Valve

I have only slightly opened the tap, so the water did not shoot high. I need to do some calculations to see if I fully open the tap, the water can shoot to over 3 stories high. Mains Water Head Measurement Notes Now I am trying to measure the water head in my home, where water comes from a water ta...
by tlfong01
Sun Jan 20, 2019 7:12 am
Forum: Automation, sensing and robotics
Topic: Cat Home DIY Q&A - Solenoid Valve How To
Replies: 27
Views: 7393

Re: Cat Home DIY Question - How to Use Solenoid Valve

... shoot to over 3 stories high. Rpi3B switching solenoid valve Now that I have tested OK NE555 switching solenoid. ... is fully list below. ... # *** puroxd12_2019jan2002.py tlfong01 2019jan20hkt1515 *** # *************************************************************************************************** ...
by tlfong01
Sat Jan 19, 2019 1:59 pm
Forum: Automation, sensing and robotics
Topic: Cat Home DIY Q&A - Solenoid Valve How To
Replies: 27
Views: 7393

Re: Cat Home DIY Question - How to Use Solenoid Valve

Puro-XD-12 Solenoid Valve Piping Notes Now I am doing the piping work to prepare a wet run. Water Feature Setup and Testing Notes ...
by tlfong01
Sat Jan 19, 2019 1:41 pm
Forum: Automation, sensing and robotics
Topic: Cat Home DIY Q&A - Solenoid Valve How To
Replies: 27
Views: 7393

Re: Cat Home DIY Question - How to Use Solenoid Valve

tlfong01 wrote: ↑
Sat Jan 19, 2019 7:29 am
 Puro-XD-12 Solenoid Valve Newbie Experiments
The Puro-XD-12 is made up of two parts - Solenoid and Valve. The solenoid has been tested OK. Next step is the valve.

Puro-XD-12 Solenoid Valve Piping Notes

Now I am doing the piping work to prepare a wet run.

...
by tlfong01
Sat Jan 19, 2019 8:01 am
Forum: Automation, sensing and robotics
Topic: Cat Home DIY Q&A - Solenoid Valve How To
Replies: 27
Views: 7393

Re: Cat Home DIY Question - How to Use Solenoid Valve

The Puro-XD-12 is made up of two parts - Solenoid and Valve. The solenoid has been tested OK. Next step is the valve. Solenoid Valve Terminology and FAQ I ...
by tlfong01
Sat Jan 19, 2019 7:29 am
Forum: Automation, sensing and robotics
Topic: Cat Home DIY Q&A - Solenoid Valve How To
Replies: 27
Views: 7393

Re: Cat Home DIY Question - How to Use Solenoid Valve

Puro-XD-12 Solenoid Valve Newbie Experiments Now I am using the following old solenoid ... new solenoid valve. RE: CAT FEEDER DIY - HOW TO USE SOLENOID tlfong01 2019Jan17 https://www.raspberrypi.org/forums/viewtopic.php?f=37&t=230984&start=25#p1417151 ...
by tlfong01
Fri Jan 18, 2019 2:41 pm
Forum: Automation, sensing and robotics
Topic: Cat Home DIY Q&A - Solenoid Valve How To
Replies: 27
Views: 7393

Re: Cat Home DIY Question - How to Use Solenoid Valve

... I think I would start doing some beginner's solenoid valve experiments Puro-XD-12 Solenoid Valve Newbie Experiments ... valve. RE: CAT FEEDER DIY - HOW TO USE SOLENOID tlfong01 2019Jan17 https://www.raspberrypi.org/forums/viewtopic.php?f=37&t=230984&start=25#p1417151 ...
by tlfong01
Fri Jan 18, 2019 8:09 am
Forum: Automation, sensing and robotics
Topic: Cat Home DIY Q&A - Solenoid Valve How To
Replies: 27
Views: 7393

Re: Cat Home DIY Question - How to Use Solenoid Valve

Puro-XD-12 DC12V 1/4" Quick Connect Solenoid Valve Datasheet Wikipedia Solenoid Valve Reading Notes The explanation on "Internally piloted Solenoid ...
by tlfong01
Fri Jan 18, 2019 7:54 am
Forum: Automation, sensing and robotics
Topic: Cat Home DIY Q&A - Solenoid Valve How To
Replies: 27
Views: 7393

Re: Cat Home DIY Question - How to Use Solenoid Valve

It took me 10 seconds to guess that you xxxl gallon means xxx liquid gallon. I am not sure if there is any non liquid gallon. Sorry, your guess is wrong. The "l" means Litres. The US Gallon is the same as 3.75 Litres. Gallons everywhere else are the same as 4.5 Litres. 1 US Gallon = 1 MKS...
by rpdom
Fri Jan 18, 2019 7:32 am
Forum: Automation, sensing and robotics
Topic: Cat Home DIY Q&A - Solenoid Valve How To
Replies: 27
Views: 7393

Re: Cat Home DIY Question - How to Use Solenoid Valve

tlfong01 wrote: ↑
Fri Jan 18, 2019 6:00 am
 It took me 10 seconds to guess that you xxxl gallon means xxx liquid gallon. I am not sure if there any non liquid gallon.
Sorry, your guess is wrong. The "l" means Litres.

The US Gallon is the same as 3.75 Litres. Gallons everywhere else are the same as 4.5 Litres.
by tlfong01
Fri Jan 18, 2019 7:18 am
Forum: Automation, sensing and robotics
Topic: Cat Home DIY Q&A - Solenoid Valve How To
Replies: 27
Views: 7393

Re: Cat Home DIY Question - How to Use Solenoid Valve

Puro-XD-12 DC12V 1/4" Quick Connect Solenoid Valve Datasheet Reading Notes Now I am studying the datasheet. It appears that I need to google the ...

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