What's going on:
5050 LED Strip Teardown
Tagged: LEDs , teardown , electronics | Date Published: February 20, 2021Repurposing an LED light strip controller and power supply
Blink Detection Using Infrared Reflective Sensors
Tagged: infrared , Arduino , sensing , blinkdetection | Date Published: February 12, 2021Preliminary experiments in focus tracking.
Calculating the expected value of the PA scratch offs
Tagged: lottery , wasteofmoney , probability | Date Published: February 04, 2021It's ok, all proceeds pay for the benefits of older residents of Pennsylvania
Physical Word Length Calculator
Tagged: calculator , p5js , cursive | Date Published: February 01, 2021Determine how much string you'll need to spell out a phrase
Detecting instantaneous frequency is hard
Tagged: thoughts , bci , dsp , fft | Date Published: January 31, 2021Major blockades to fast, effective BCI
Touch Reactive LEDs
Tagged: hci , touchdetection , LED | Date Published: January 29, 2021Electronic piano, anyone?
Oversampling vs. Averaging for Noise Reduction
Tagged: dsp , eeg | Date Published: January 24, 2021Spoiler: always oversample.
Quantifying Interface Speeds
Tagged: bci , hci , interfaces | Date Published: January 21, 2021Comparing the information transfer rate of the keyboard, mouse, and other input devices.
Trying out various peak detection techniques for the SSVEP
Tagged: ssvep , eeg , bci , dsp | Date Published: January 18, 2021Garbage in, garbage out.
EEG fails in the prescence of household EMI
Tagged: eeg , bci , emi , thoughts | Date Published: January 17, 2021I am beginning to have doubts on the feasibility of everday BCIs...
The first generation of handheld barcode scanners — with laser tubes
Tagged: history , electronics | Date Published: January 14, 2021History of the LS1000 and MH290, and a demo of the 2nd!
New EEG Technique: Phase-rectified signal averaging
Tagged: ssvep , bci , eeg , paperhighlight | Date Published: January 13, 2021Basic method of aligning waves helps when averaging out noise from long time-series
Preliminary 5W LED Tests
Tagged: projector , projectlog , LED | Date Published: January 06, 2021Projecting 5W of light onto a wall — DIY Projector
Fresnel Lens
Tagged: optics , lenses , projectlog | Date Published: January 05, 2021Making flat lenses using special surface ridging
Hello World for Brain-Computer Interfaces
Tagged: BCI , EEG | Date Published: December 31, 2020Detecting alpha wave activity with EEG to predict whether my eyes are open or closed
Working with BrainFlow pt. 1
Tagged: projectlog , EEG , Python | Date Published: December 30, 2020A new way to stream OpenBCI data to Python
Testing out some high power LEDs
Tagged: electronics , LED , projectlog , wallscreen | Date Published: December 28, 2020Casting light on far away surfaces using 3W LEDs
Easy Button Hack Pt. 1
Tagged: projectlog , easybutton , arduino , microcontroller , audio | Date Published: December 24, 2020Learning about SD cards, transistor audio amps, Arduino sleep and interrupts
Arduino Function Generator: Square Wave with Variable Duty Cycle
Tagged: arduino , microcontrollers , testequipment , tutorial | Date Published: December 23, 2020How to make a free, customizable square wave generator from a microcontroller you already have
Improving noisy EEG data through single channel averaging
Tagged: bci , signalprocessing | Date Published: December 18, 2020How to get rid of Gaussian noise using a single electrode's measurements
Coin vibration motors arrived!
Tagged: hardware , motor , haptic | Date Published: December 14, 2020Now I can do "haptic feedback"
Playing sounds with an Arduino, speaker, and no amplifier
Tagged: arduino , microcontroller , audio , hack | Date Published: December 13, 2020LM386 audio amplifier? I 'ardly know her!
Analog Electronics Basics: Scaling Voltage Rails
Tagged: analog , electronics , opamps | Date Published: December 08, 2020What to do when your circuit outputs ±5V but your ADC only takes 0-5V
Photoplethysmography (PPG) Tutorial
Tagged: tutorial , CV , heartrate | Date Published: December 07, 2020A guide on how to pronounce the word, and how to implement it in Python
Exploring USB-A breakout cables
Tagged: electronics | Date Published: December 04, 2020The normal USB cable
Sledding on a table
Tagged: life | Date Published: December 01, 2020We had no sled, but we did have an extra folding table
Myo3 Noise Specs
Tagged: myo3 , projectlog | Date Published: November 29, 20201.24µV of noise at 500,000x gain
Javascript Libraries
Tagged: webdev , javascript | Date Published: November 28, 2020What do you mean everything is a global???
Teensy DAQ: ADC Oversampling on the Teensy 4.0 microcontroller
Tagged: hardware , microcontrollers , Teensy , ADC | Date Published: November 27, 2020300 kSPS to 1 kSPS faster than you can say "free bits"
Myo3 initial tests
Tagged: myo3 , projectlog , PCB | Date Published: November 26, 2020It's like they always say, the hard part's the software
Speed Check — Generating a list out of a range out of a len
Tagged: speedcheck , matplotlib | Date Published: November 25, 2020Why does matplotlib set_data not take an iterable :(
Myo3 Assembly
Tagged: projectlog , myo , PCB | Date Published: November 22, 2020Putting together the 3rd iteration of my EMG sensor
Histogram Equalization
Tagged: CV | Date Published: November 20, 2020Using all your dynamic range to make black and white images look sssickkk
Creating panorama images manually, pt 2!
Tagged: CV , OpenCV | Date Published: November 18, 2020Better stitching by doing something really easy I just forgot to consider
Creating panorama images manually
Tagged: CV , OpenCV | Date Published: November 17, 2020Experiments in holography
Playstation Eye does not work for MacOS!
Tagged: problems , hardware | Date Published: November 15, 2020Mac doesn't play nice with weird USB webcams :(
Spudging PCB Stencils for Beginners
Tagged: electronics , PCB , tutorial | Date Published: September 14, 2020How to lay out 50 components on a board really fast
Privacy screen
Tagged: facerecognition , miniprojectlog | Date Published: September 09, 2020Only cool kids can see this laptop!
Digital Holograms
Tagged: projectlog | Date Published: June 18, 2020Displaying 3D images on a 2D computer screen
Speed Check (calling Python Built-in functions)
Tagged: speedcheck | Date Published: May 25, 2020Calling str, type, etc. is free... right?
Variable resistance tests of Velostat/Linqstat
Tagged: wearables , conductivefabric , velostat | Date Published: May 17, 2020Testing the effects of bending, twisting, and touch on the conductive plastic Velostat.
Speed Check
Tagged: projectlog , speedcheck | Date Published: May 10, 2020What's the fastest way to record a stream of strings in Python?
Parts arrived for Altered Perceptions
Tagged: projectlog , alteredperceptions | Date Published: November 13, 2019How would you like to see the world from a new pair of eyes?
Spin Tank Proof-of-Concept Test
Tagged: projectlog , spintank | Date Published: August 20, 2019A new configuration for some old kinds of armor
Advanced addition and speedup of neural network evaluation
Tagged: projectlog , advancedaddition | Date Published: August 01, 2019Linear functions and what it means for Neural Network acceleration
The miracle of brain-computer interfaces
Tagged: thoughts0 | Date Published: July 28, 2019How BCIs can give us more arms
Simple arithmetic addition with neural networks
Tagged: projectlog , advancedaddition , new | Date Published: July 17, 2019I have stumbled across a new way to add numbers.
The exploration of unexplorable search spaces
Tagged: thoughts0 | Date Published: June 30, 2019Any hard problem can be solved by randomly guessing — if you're good enough at guessing.
First Post!
Tagged: stateoftheblog | Date Published: June 24, 2019WHAT'S GOING ON I'M MAKING A WEBSITE