Viewing profile — goodbyegti
goodbyegti
HN member- Joined
- Mon, Apr 14, 2014, 7:56 PM UTC
- HN karma
- 40
- Public activity
- 16 items
- HN profile
- View on Hacker News ↗
About goodbyegti
https://github.com/dougszumski
https://uk.linkedin.com/in/dougszumski
Recent public activity
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Comment #23407605
Sadly the article appears to overlook that Munich is switching back to Windows: https://www.theregister.com/2017/11/13/munich_committee_says...
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Comment #23156759
Indeed, and when it kills someone, nothing to do with Google.
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Comment #21706999
Absolutely. I will stick with my 80USD shutter precision hub dynamo. 5W of output is plenty for charging in the day and lights at night, and I don't even notice the drag.
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Comment #17120351
https://github.com/dougszumski/KalmanFilter ^ A very simple Python implementation of a Kalman Filter with Matplotlib for visualisation.
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Comment #12651797
Further to this, here's a very simple application of a Kalman filter which plots a graph (in Python): https://github.com/dougszumski/KalmanFilter
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Comment #11953258
I had a similar problem with a DLP chipset controller (BGA) in an expensive home projector. Instead of attempting to reflow the solder joints, i made a clamp which held the chip in…
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Comment #11247157
For C fans I ported the Python example from this excellent book here: https://github.com/dougszumski/NNet
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Comment #11154453
A really nice intro is this classic paper on numerical integration of the equation for barotropic vorticity: http://mathsci.ucd.ie/~plynch/eniac/CFvN-1950.pdf It's something you ca…
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Comment #8875879
I work in this sector, and what you say is correct, however it is important to note that in TMS the fields are pulsed over millisecond time intervals. In doing so they can induce a…
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Comment #8809346
If you want to run the AVR examples and don't have a physical target checkout simavr: https://github.com/buserror/simavr
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Comment #8589654
Another explanation which may be of interest: http://www.michaelnielsen.org/ddi/how-the-bitcoin-protocol-a...
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Comment #8165460
If it's been done nicely 100% would seem fair to me for a low volume project like this. That's only my opinion however.
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Comment #8165404
For an EE it's pretty easy to put these parts together and make them 'work', but it's fair to say that making the most out of a 24bit ADC is no easy task. That is unless you want 8…
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Comment #8164894
It's mind blowingly expensive. A very quick breakdown of the main parts: ADS1299 ~38USD for 1k+ ATMEGA328P ~ 2USD for 2k+ RFDuino ~ 20USD for 10 + Accelerometer ~ 2USD for 1k+ Boar…
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Comment #7870521
It's absurdly expensive, even more so the modules. Looking at the BT module, the BLE112 can be purchased for $15 in quantities of 1. So you pay $35 for a small PCB, some pin header…
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Comment #7720118
The electric field for stimulation threshold is typically quoted as 100V/m. There's no chance of achieving that within the brain using the 9V battery and skin contact approach!