The Curious Engineer

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josh.com

wp.josh.com

ElectronicsEmbedded / microcontrollersCrypto / fintechEssays / personal

’15’20’25
Posts
114 from 1 Jan 2013 to 22 Apr 2026
Posting
now and then (5 in the last year)
Kind
personal blog
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https://wp.josh.com/feed/

2026 5

  1. I used Blueprint serum on half my face for 6 months. Can you tell which side?
  2. An Ultrafast MSP430 SBW programmer for $4
  3. How the Mayor can quickly and unilaterally close the looming budget gap while making NYC a better city – without raising taxes
  4. Your last chance to save your cherished photograph collection from AI
  5. Idea Dump 2025

2025 4

  1. A billion digits of Pi – experiments in ultra-microprinting with gold on sapphire
  2. How to tie ourselves to the mast: The Persistent Charter
  3. The Hard Problem (of bitcoin)
  4. A utility to create a static HTML website from your Twitter posts

2023 2

  1. How to remember everything you have ever said or heard. Forever. Starting tomorrow. For $60.
  2. Human Powered Bitcoin Mining

2022 1

  1. How Bitcoin Could (Potentially) Have Value

2021 3

  1. A pill that makes you sad and happy
  2. What would a “Turing market” look like?
  3. Build a giant live scrolling tickertape display from WS2812B Neopixels and an Arduino Uno

2020 2

  1. A new version of `devmem2` with kernel super-powers
  2. WTF Sonos?On the evil companies do and good people coming together to stand up to them

2019 3

  1. Breaking News! Google AdWords Exploit Seen in the Wild! Yikes!
  2. Some of the more interesting air conditioners I have met
  3. How to ride your bike to LaGuardia Airport

2018 12

  1. A world without pain?
  2. Pneumatic Hydraulics Are So Fricken Fun!!!!
  3. Porno for Pedophiles?
  4. A software only solution to the vexing Beagle Bone Black PHY issue
  5. Quick observations on looking for an NYC rental apartment
  6. Deconstructing Kitty
  7. Stranded on a Deserted Isle with NitCoin
  8. Make your BeagleBone Black am355x magically turn itself on with the built-in alarm clock
  9. “A man walks into a bank….” (A Bitcoin parable)
  10. Idea Dump 2018
  11. More Adventures in Auto-routing – The Big Spin Swap
  12. How a Bitcoin is not a Dollar

2017 9

  1. Fingerlings Fart Monkey Autopsy
  2. A different kind of Initial Coin Offering
  3. Marketizing Zipcar
  4. Adventures in Autorouting
  5. Getting to cheap – Tearing-down a $3 Fidget Spinner with LED POV display
  6. Challenge: Can you figure out how this single part boost converter works?
  7. Blinking Blue- Powering a 3.7 volt LED from a 2.4 volt coin cell with a $0.02 charge pump
  8. Capacitive Coupling Casestudy: Programming The Public Radio without removing it from its sealed shipping box
  9. How to keep comments relevant on your WordPress.com site

2016 17

  1. The Most Ironic Chinese Counterfeit Fail Ever
  2. A Quick Test for Crappy WS2812B Neopixels
  3. Divorced by Apple in California
  4. When to Lie
  5. trumpWap – Make the web great again
  6. Bigger is better: Build an Arduino-powered monster scrolling LED sign for about $15 a foot
  7. Marketizing Citibike… comes true!
  8. Parallel Processing Arduino Style – Make Massive NeoPixel Displays With Nanoscale Concurrent Computing
  9. Looking at the $1 million dollar coin as a an investment bundle
  10. What is the best way to mount LED strips on polycarbonate panels?
  11. Why did Google declare war on HTTP?
  12. New GE C-Sleep Smartbulb Teardown- Part #1
  13. Simple.com hacked!
  14. Outlook 2016’s New POP3 Bug Deletes Your Emails!
  15. “Prove me Wrong” Kickstarter Campaign
  16. Flux 3D Printer First Look and Teardown
  17. AVR Coding Challenge: How many ways can you twiddle this bit?

2015 9

  1. Boiling Batteries – The Effects of Extreme Temperatures on LiPo Voltage
  2. Getting Real – Using Blind Send SPI to Turbocharge the Adafruit DotStar Libraryspi,
  3. SPI with a Blindfold On- speed up by letting go and trusting the machine
  4. NeoPixel Corner Cases – accurate and easy rectangles with WS2812B strips
  5. Inductive power on the cheap – Philips Imageo Tea Light Teardown
  6. Ghost Guitar – Self Strumming Strings
  7. Plates vs Coils – An alternative approach to wireless power transmission
  8. AVR Timer-based One Shot Explained
  9. The Perfect Pulse- generating precise one-shots on AVR8

2014 29

  1. Easy hack to allow an AVR Dragon to power the target device over the ISP cable
  2. A tale of Four USB power supplies
  3. Battery Fuel Gauge with Zero Parts and Zero Pins on AVR
  4. Oh no, Vindigo!
  5. Inside Neouart – Tricking a serial port into being a signal generator
  6. Give Your Raspberry Pi a NeoPixel
  7. Save the Earth One Resistor at a Time – External pull-up resistor no longer needed for DS18B20 temp sensor
  8. NeoPixels Revealed: Warping time and space to actually see inter-pixel jitter
  9. Temperature Logging to a Google Spreadsheet with an Arduino Yun
  10. Using Google Spreadsheets for Logging Sensor Data
  11. NeoPixels Revealed: Why you should give your bits room to breathe
  12. NeoPixels Revealed: Eavesdroping on signal reshaping between pixels
  13. NeoPixels Revealed: Getting physical to uncover PWM Secrets
  14. NeoPixels Revealed: How to (not need to) generate precisely timed signals
  15. A platform for casual encounters with interactive technology – Making Noise
  16. A platform for casual encounters with interactive technology – Getting Started
  17. A platform for casual encounters with interactive technology – Introduction
  18. Digit 57 Lives!
  19. The mystery of the Zombie RAM
  20. Naked Citibike Card internals
  21. KickStarter On Track project management feature
  22. What’s Inside the Sonicare Airfloss?
  23. PayTrustExport still works after all these years – and how to put the post office out of bussiness!
  24. A drug that is 100% adictive after a single dose
  25. What’s inside the new Citibike cards?
  26. YOU HEARD IT HERE FIRST: LogMeIn.com data breach!
  27. Read this before you “contribute” to an Indiegogo campaign!
  28. Not another fake plug in grid tie solar system…
  29. Still searching for the perfect online backup

2013 17

  1. Illiterate Intelligentsia?
  2. Goodbye Citibike Fob – Hello Official Citibike Card !
  3. Ognite Digital Candle Finally Reaches Beta 2
  4. Source code for CSCANPST tool now available!
  5. Cloud backup for Windows 8 with no 3rd party software?
  6. Marketizing dentist appointments
  7. A spam more than 13½ years in the making
  8. Marketizing CitiBikeNYC – No more full stations
  9. OrsonObject – Google for your lost keys
  10. Citibike Key Fob Brain Transplant
  11. CitiBikeNYC Dead Batteries
  12. NYC CitiBike Token – What’s Inside?
  13. Elevator power usage – should I take the stairs?
  14. First look at distance measurement using the AT86RF233 chip
  15. Marketizing Wolfram Alpha
  16. Surprising Spam
  17. New Year, New Website

Undated 1

  1. Some Art