Notes concerning “Electronics”
Electronics kit
02020-05-23 (updated 02020-12-20) (14 minutes)
A 6-bit “variac casero”
02020-06-06 (22 minutes)
Ghettobotics soldering iron
02020-06-17 (4 minutes)
Trying to drive a speaker with a buck converter
02020-06-29 (4 minutes)
Retro teletext
02020-07-18 (updated 02020-07-23) (18 minutes)
Notable quotes from Steinmetz’s 1892 hysteresis paper
02020-09-10 (2 minutes)
Spark gap logic
02020-09-20 (updated 02020-12-16) (25 minutes)
Aluminum-air batteries
02020-09-23 (4 minutes)
Level shifter
02020-10-08 (updated 02020-10-10) (9 minutes)
VGA oscilloscope?
02020-10-13 (5 minutes)
Thermistors, resistance temperature detectors, and other thermal sensors
02020-10-14 (updated 02020-11-06) (12 minutes)
Minimal cost computer
02020-10-23 (updated 02020-12-01) (12 minutes)
LED computation?
02020-10-25 (5 minutes)
Some of the cheapest memory ICs
02020-10-27 (updated 02020-10-30) (1 minute)
Bluepill aspirations
02020-10-30 (updated 02020-11-01) (9 minutes)
Multimeter metrology
02020-11-01 (updated 02020-11-27) (23 minutes)
Guide to finding datasheets and avoiding malicious datasheet SEO sites
02020-11-02 (updated 02020-12-22) (7 minutes)
Dead bugging
02020-11-04 (3 minutes)
Ghettobotics nonshopping list
02020-11-04 (updated 02020-12-21) (22 minutes)
Machine-readable PNG circuit diagram watermarks
02020-11-06 (1 minute)
Arduino support for STM32
02020-11-06 (10 minutes)
Thermal expansion speaker
02020-11-06 (1 minute)
Copper segelín
02020-11-06 (updated 02020-11-08) (19 minutes)
Rosining chips
02020-11-08 (2 minutes)
Improvised humidity sensors with PET dielectric spectroscopy
02020-11-11 (3 minutes)
A compact textual format for interchange of electronic circuit designs
02020-11-11 (updated 02020-11-26) (1 minute)
Improvised display options for embedded hardware development
02020-11-16 (updated 02020-11-17) (16 minutes)
Capacitor meter
02020-11-16 (updated 02020-12-03) (26 minutes)
Rebraining
02020-11-16 (updated 02020-12-06) (12 minutes)
Oscilloscope superresolution via compressed sensing?
02020-11-17 (1 minute)
A solar panel from an LED garden light
02020-11-17 (updated 02020-12-01) (5 minutes)
Representing E12 electronic component values musically
02020-11-17 (updated 02020-12-26) (16 minutes)
Relay buzzer
02020-11-23 (2 minutes)
Machine readable microcontroller output
02020-11-26 (9 minutes)
AVR OSCCAL probably won’t give you an FM radio
02020-11-26 (2 minutes)
A field-programmable RTL array: a more efficient alternative to FPGAs?
02020-11-26 (updated 02020-11-27) (11 minutes)
A reverse-biased diode thermometer
02020-11-27 (9 minutes)
My very first opamp
02020-11-27 (4 minutes)
Majority logic with DRAM sense amps
02020-12-09 (30 minutes)
Hierarchical state space learning
02020-12-14 (8 minutes)
Electronics next project
02020-12-21 (updated 02020-12-22) (7 minutes)
Light pen latency
02020-12-23 (updated 02020-12-28) (29 minutes)