Fast automated mobile E2E testing — the unwritten manual
A practical field guide to speeding up automated mobile E2E tests by cutting snapshot, tap, verification, and backend-check latency.
Andy Kong's Blog
Thoughts and Work
Latest posts
Using flex PCB as electrode mount
First opaque clear PCBs
Teardown of the Urbanista Los Angeles headphones
Removing another self-powering device from the world
Teardown of the Urbanista Los Angeles headphones
Removing another self-powering device from the world
First lessons from ordering CNC parts from China
metal on tap
Running QUCS Studio (uSimmics) on a Mac
RF circuit simulation without ANY piracy!
Bringing up a custom RP2040 board
First time lessons are easily forgotten, here mine are persisted
Free custom email domain through Gmail
1 CRAZY trick that Big Custom Mailbox doesn't want you to know
Let the foot slip
climbing is life
I've been thinking about conviction
I could clump my friends into four groups: Stable, unsure: pleading Nice jobs which let them stay home 3 days a week. Whenever we talk it’s their boss’s kid’s birthday. Free mangoes in the office. I watched Queen’s Gambit and started playing Lichess. I thought there would be more than this. Unstable, unsure: worried Making just enough to eke out a life’s work that’s fun to talk about at parties.…
Electronics Teardown: Stelo CGM
Power testing a consumer continuous glucose monitor
Electronics Teardown: Stelo CGM
Power testing a consumer continuous glucose monitor
Solar energy harvesting
Testing out the R1801K
Edge Esmerelda Experience
Popup City No. 2
MonoChrome: In Defense Of Using One Chrome Window At A Time
Browser meta-war
Practical Quantified Self Data Analysis, Pt. 1
Functions you'll need
Practical Quantified Self Data Analysis, Pt. 1
Functions you'll need
Different ways to black-out holograms
Paint vs. tape
How To Set ATtiny Fuses (with Arduino as ISP)
Change clocks, reduce startup delay, and more!
Immersive Space Workarounds In The Vision Pro
Quick Immersion
A Layman's Guide To The ICNIRP Guidelines On Limiting Exposure To Electromagnetic Fields (100kHz-300GHz)
I read this and it was actually interesting
Most-scanned bulletin boards at CMU
Finally publicizing some sneaky data collection from 4 years ago
Is Morse Code Letter-Frequency Optimal?
Most common letters vs. Morse code length
Power profiling a thermal printer camera
Exposing the internals of a dinosaur-shaped children's camera I got in Shenzhen
Apple Vision Pro Hackathon: A Retrospective
Thoughts on the Vision Pro
Testing out the BPW34
Tiny experiments with a tiny solar cell
My Vitalia Experience
Seven days in a city trying to usurp death
Timezone correcting Fitbit sleep data using Google Timeline
My last post on dealing with terrible Fitbit data
A computer scientist's guide to I2C
Illustrated via minimal example of ATtiny85 to DS3231 communication using TinyWireM
Programming an ATtiny85V using an Arduino
Blink & SoftwareSerial & ADC, oh my!
My Quantified-Self Data Stack
Many cool self-insights and the data logging methods used
Fitbit timestamps cannot be trusted
Please recommend me alternatives
Bionic reading doesn't help you read faster
An N=1 experiment
How sleep deprivation affects my cognition
Correlating my Stroop with sleep data
Reading speed comparison on paper vs screens
Also reflections on the Percy Jackson series
Shipping from Europe to America from $2.30/kg
How to game cross-continental travel
Shot comparisons between an iPhone and digital camera
Sensor size matters!
Teardown of the Freestyle Libre 2 Continuous Glucose Monitor
Pictures and wild speculation
Timezone correcting Fitbit sleep data
How to get your sleep data in UTC so you can actually do anything with it
Breakdown of my most used Alfred Workflows
Is Alfred worth buying?
Breakdown of my most used Alfred Workflows
Is Alfred worth buying?
Average clip duration in MILF Manor
Gauging the audience attention span from TLC dating shows
iCloud Cleanup
Script for highlighting large videos in iCloud and a storage discrepancy
How to stop noisy NeoPixels
Audible annoyance from WS2812B LEDs
Calendar Memories
Personalized holidays in my calendar
Infoglobe Tutorial Pt. 3 — Software
Adding bits to our atoms
Infoglobe Tutorial Pt. 3 — Software
Adding bits to our atoms
Infoglobe Tutorial Pt. 2 — Hardware Integration
Letting go of externalized electronics
Making clear gelatin from porcine sheets
From Jello you came, and to Jello you shall return
Infoglobe Tutorial Pt 1 — Hardware Prototyping
Hacking a new brain into the Infoglobe