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Topic: [Review] Spondoolies SP20 + hi-res board pics + unofficial support (Read 5421 times)

hero member
Activity: 1111
Merit: 588
Thank you for the review.
legendary
Activity: 1666
Merit: 1185
dogiecoin.com
Some of your DOF's on the pictures are really narrow. You can increase this by increasing your fstop [if tripodded], moving further away and decreasing your FOV. That is, assuming you're on a DLSR.

you can change your f-stop on most point and shoot cameras also.

f11 for a big wide landscape. boards at f4

Very true, I recently found the exif data on phone shots, its fun to see what it does automatically.


I chose f/4.0 for the DOF effect Wink and partly because of the dark scene in the room, otherwise at F8-F11, the pics were becoming quite blurry. These pics are not going into a data-sheet Smiley But I like the sharp pics that you have posted. What gear did you use? a tripod, a macro lens?

Tripod, huge (150cm3) light tent, 1.3KW of lighting and a 50mm prime [macro'ish] lens. Not yet tried the new lights yet though, will probably be on the HashCoins Ares.
legendary
Activity: 1666
Merit: 1185
dogiecoin.com
Some of your DOF's on the pictures are really narrow. You can increase this by increasing your fstop [if tripodded], moving further away and decreasing your FOV. That is, assuming you're on a DLSR.
I chose f/4.0 for the DOF effect Wink and partly because of the dark scene.

pictures look excellent to me. dogie  Tongue fetch me a paper



I did good?
legendary
Activity: 1946
Merit: 1006
Bitcoin / Crypto mining Hardware.
How do I lower the draw on electricity and decrease my hashrate to much lower?  At least until the bitcoin price changes.  Thanks.


How much power do you want to draw on the wall?

Here's a voltage / Power draw table from Syke's review https://bitcointalksearch.org/topic/review-10-spondoolies-sp20-tortured-896913

Code:
Voltage	W@wall	GH/s
.65 710 1240
.70 1005 1468
.75 1110 1520
.79 1150 1534
legendary
Activity: 4256
Merit: 8551
'The right to privacy matters'
How do I lower the draw on electricity and decrease my hashrate to much lower?  At least until the bitcoin price changes.  Thanks.


do your settings on the settings page

use 0.625

on all 4

use 0.63 for max

use 130 for all four watts

this miner does around 1080gh at 520 watts




cool temps lower power
member
Activity: 78
Merit: 10
How do I lower the draw on electricity and decrease my hashrate to much lower?  At least until the bitcoin price changes.  Thanks.
legendary
Activity: 1946
Merit: 1006
Bitcoin / Crypto mining Hardware.
It's an 8krpm 92mm fan, might be super noisy. I have a 6krpm 80mm fan, and it's quite a bit noisy.
sr. member
Activity: 434
Merit: 250
Some of your DOF's on the pictures are really narrow. You can increase this by increasing your fstop [if tripodded], moving further away and decreasing your FOV. That is, assuming you're on a DLSR.
I chose f/4.0 for the DOF effect Wink and partly because of the dark scene.

+1

pictures look excellent to me

dogie  Tongue fetch me a paper
legendary
Activity: 1946
Merit: 1006
Bitcoin / Crypto mining Hardware.
Some of your DOF's on the pictures are really narrow. You can increase this by increasing your fstop [if tripodded], moving further away and decreasing your FOV. That is, assuming you're on a DLSR.
I chose f/4.0 for the DOF effect Wink and partly because of the dark scene in the room, otherwise at F8-F11, the pics were becoming quite blurry. These pics are not going into a data-sheet Smiley But I like the sharp pics that you have posted. What gear did you use? a tripod, a macro lens?
sr. member
Activity: 434
Merit: 250
Some of your DOF's on the pictures are really narrow. You can increase this by increasing your fstop [if tripodded], moving further away and decreasing your FOV. That is, assuming you're on a DLSR.

you can change your f-stop on most point and shoot cameras also.

f11 for a big wide landscape. boards at f4
legendary
Activity: 1666
Merit: 1185
dogiecoin.com
Some of your DOF's on the pictures are really narrow. You can increase this by increasing your fstop [if tripodded], moving further away and decreasing your FOV. That is, assuming you're on a DLSR.
legendary
Activity: 1946
Merit: 1006
Bitcoin / Crypto mining Hardware.
After reversing the fan direction, I also applied tape over the top row holes, since these top-row holes are simply passing through the outside cold air (can be verified with an IR-thermo)


Reversing the fan, allows easy access to the power-sockets, RJ45, and the status LED.

newbie
Activity: 6
Merit: 0
legendary
Activity: 1946
Merit: 1006
Bitcoin / Crypto mining Hardware.
Has anyone tried reversing / inverting the fan?
 I tried it yesterday, and the temps are a bit lower than when the fan was facing the other way round. The intake side is outside my window, with the fan pulling in cold air and pushing hot air inside the house.




would be easy to pull in cold air that way.  let us know if it keeps working for you.

Three days with the fan direction reversed and no problems yet. It also helps reduce the fan noise in the room, since the fan side is now on the window sill, instead of inside the room.
legendary
Activity: 4256
Merit: 8551
'The right to privacy matters'
Has anyone tried reversing / inverting the fan?
 I tried it yesterday, and the temps are a bit lower than when the fan was facing the other way round. The intake side is outside my window, with the fan pulling in cold air and pushing hot air inside the house.




would be easy to pull in cold air that way.  let us know if it keeps working for you.
sr. member
Activity: 434
Merit: 250
Has anyone tried reversing / inverting the fan?
 I tried it yesterday, and the temps are a bit lower than when the fan was facing the other way round. The intake side is outside my window, with the fan pulling in cold air and pushing hot air inside the house.

https://i.imgur.com/z445d3M.png

that's interesting, I pulled my (at-home) SP20 inside by a few inches due to the fact that the cabling could have been exposed to the elements (rain, snow etc) - inverting the fan would help me a lot, especially if your lower temps are persistent.
legendary
Activity: 1946
Merit: 1006
Bitcoin / Crypto mining Hardware.
Has anyone tried reversing / inverting the fan?
 I tried it yesterday, and the temps are a bit lower than when the fan was facing the other way round. The intake side is outside my window, with the fan pulling in cold air and pushing hot air inside the house.

hero member
Activity: 572
Merit: 500
I found a way to change the fan speed to whatever you want. You can edit the html ..

The changes to /var/WWW folder (where you edit the HTML) shouldn't be persistent after reboot.
I'm just essentially hacking the value of the dropdown value before submitting. It is persistent, because the ASIC stats I posted are after a reboot.

I was not speaking about the settings persistence .. but about your php/html chanages which "dissapear" after reboot. 
newbie
Activity: 51
Merit: 0
I found a way to change the fan speed to whatever you want. You can edit the html ..

The changes to /var/WWW folder (where you edit the HTML) shouldn't be persistent after reboot.
I'm just essentially hacking the value of the dropdown value before submitting. It is persistent, because the ASIC stats I posted are after a reboot.
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