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1  Bitcoin / Mining support / Re: S19j Pro 104t Keeps crashing on: April 03, 2022, 02:13:28 AM
I've also got a merv-8 air filter on the intake side, which is surely cutting off some airflow too. It sits outside 24/7 on the side of my house, and that air filter needs to be changed every week because it gets so filthy. I've been thinking about taking it off and seeing how it does, I'm just worried it's going to get covered in dirt and pollen every couple of weeks.

Do you keep yours outside? How do you manage dust and pollen?
2  Bitcoin / Mining support / S19j Pro 104t Keeps crashing on: March 30, 2022, 06:21:16 PM
I've been mining with my new S19j Pro (104th) unit for about 4 months. I build a soundproof box and placed it on the side of my house. Everything was running smoothly through the cold weather, but now that the the weather is hitting 75ºF+ it randomly throws:

Code:
2022-03-30 18:17:51 !!! reg crc error
2022-03-30 18:17:51 chain avg vol drop to 9.07
2022-03-30 18:17:51 Sweep error string = V:1.
2022-03-30 18:17:51 ERROR_POWER_LOST: pic check voltage drop
2022-03-30 18:17:51 stop_mining: pic check voltage drop
2022-03-30 18:17:51 uninit_temp_info
2022-03-30 18:17:51 do not read temp anymore...
2022-03-30 18:17:51 cancel thread
2022-03-30 18:17:51 cancel thread
2022-03-30 18:17:51 ****power off hashboard****
2022-03-30 18:17:51 temp monitor thread exit


Restarting the miner will get it back online, but it always goes down again after a while.

Troubleshooting I've done:
1) Upgraded the firmware from bitmain
2) Deconstructed inspected and carefully cleaned the unit with brush/vacuum/isopropyl alcohol

I'm in the Austin TX area, so the days are getting hotter, I notice that if the day is fairly cool, the miner stays online for 24 hours or more but as soon as the temperature tips up a bit, I get that error.

Has anyone experienced this before? Any recommendations to prevent continuous miner shutoffs?
3  Bitcoin / Hardware / Re: Most reliable btc miners vendors on: November 03, 2021, 04:01:08 AM
Good day

Best miner vendor and products: Canaan, MicroBT, Bitmain or others? What about buying opportunities on https://www.asicminervalue.com/? Is it recommended/profitable to start mining (s19j pro for instance) at current price (electricity cost is 0.095 KWh)?


Thank you for your time.

I went through this process and just purchased a unit through https://kaboomracks.com/. After listening to tons of podcasts and getting a few recommendations, I believe they are legit. So far working with them has been a good experience.

For calculating profitability, check out the calculator from slushpool - and consider that the price may decrease, and if not, the network difficulty will most likely increase along with the price.
-https://insights.braiins.com/profitability-calculator

I'm paying $0.15 per kwh here in TX which is pretty high... but in the current environment will still be profitable. However, I'm mainly interested in the KYC-free bitcoin and getting some experience with mining before deciding if I'm going to expand my mining operation.

Here are a couple great resources that helped me out in my research:
- https://www.econoalchemist.com/post/home-mining-for-non-kyc-bitcoin
- https://bitcoinwords.github.io/mining-for-the-streets
4  Bitcoin / Hardware / S19j Pro 104t Reliability? on: November 03, 2021, 02:44:25 AM
Wondering if anyone knows how reliable these machines are.

I'm looking at purchasing a new one through kaboomracks and have heard many horror stories about the S17's - are these ones supposed to be much better?
5  Bitcoin / Mining / Re: Electricity costs mining at home (Austin TX) S19j PRO??? on: November 01, 2021, 08:02:03 PM
Also for the cables that supply power the the miner. C13 x NEMA 6-20P cables will suffice?

Having a hard time finding any information regarding this online
6  Bitcoin / Mining / Re: Electricity costs mining at home (Austin TX) S19j PRO??? on: November 01, 2021, 02:33:26 PM
I have a couple more questions:

- Regarding Bitmain Antminer S19j Pro 104T vs MicroBT M30S+ 102T. Does anyone have any insight on which one is more reliable for someone getting started? Any info about noise would also be appreciated.

- I'm thinking about building a "soundproof" box outside my home. I've attached a rough sketch of what I'm planning to build. Any feedback on the design? The inside will be lined with fire-retardant soundproofing foam and building the box from 3/4 MDF

Thanks!

7  Bitcoin / Mining / Re: Electricity costs mining at home (Austin TX) S19j PRO??? on: October 28, 2021, 03:05:25 AM
Hey Dave - thanks for the response.

I'm planning to put it in my garage / office. I know the noise is going to be something terrible, so I'm planning to build an sound proof box and cutting some holes in the wall for airflow. I do have a couple more questions:

- Do you think the noise from 1 S19j Pro is going to be a problem for neighbors? Even if it's insulated, my concern is the noise coming from the air flow holes on the side of the house about 15 feed from the neighbors home. I am also slightly concerned that the noise may bother my wife. My garage is about 30-40 feet from my bed...

- Doing a lot of research online and it looks like I need to have a 20a double pole breaker installed. Is that enough to run one S19pro? I'm having my electrician come out next week to see about installing a new breaker and running a cable to my garage. Is there anything specific I should let him know other than the power I'm going to be drawing?

- It looks like I need I need C13 x NEMA 6-20P cables and a NEMA 6-20R receptacle. I'm also looking at getting a PDU Power Strip. Am I missing anything here?

Thanks for your help!
8  Bitcoin / Mining / Re: Electricity costs mining at home (Austin TX) S19j PRO??? on: October 26, 2021, 05:10:49 PM
Thanks for the response

I have checked out many profit calculators and they look great - just checking with real world home miners to verify

9  Bitcoin / Mining / Electricity costs mining at home (Austin TX) S19j PRO??? on: October 25, 2021, 03:00:12 AM
This question is specifically to get insight into how much it costs to run 1 ASIC S19 Pro from home 24/7 in Austin TX.

I'm trying to figure out a couple things:

  • If the S19 uses 3250 W / h, I estimate that the miner will use approximately 2340 kWh per month. Any s19 pro users out there who can verify if this is correct in the real world?
  • How much is the actual Austin Energy bill for running an s19 pro at home? It would be great to hear from someone who's paying the bills. Based on my calculations, it's going to cost me about 15¢ per kWH in the summer, and a little less in the winter due to less time in the higher tier (> 2500 kWh)
  • Profitability calculators look pretty good with 15¢ per kWH. Are there other significant energy related costs to running this miner that I may be missing?

Thanks!

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