This YouTube short demos a flexible LED filament and shows how to configure it for 5VDC.
2024-03-01 Innovative Dome Shaped Homes In S. Dakota
Dome shaped homes use cellular concrete 20% with 80% air, which makes it a good insulator. In the Pine Ridge Reservation in S. Dakota. They founded “In Our Hands” non-profit. Short video. https://www.facebook.com/reel/1889790898142946?mibextid=9drbnH&s=yWDuG2&fs=e
2024-02-22 Building A LiFePO4 Battery
A YouTube short of a 12V 315Ah LiFePO4 battery being assembled. I wish I could find out what the background music is.
2024-02-21 Website for Electronics – Very Comprehensive
This very comprehensive electronics website has many projects with useful devices. This example project is a transistor curve tracer. Go to the index and look at the many, many links. It seems to be at the ETH in Switzerland but some of the words are in ?Thai? https://www.changpuak.ch/electronics/Curve_Tracer_advanced.php#
2024-02-17 BJT, FET Curve Tracer
This very comprehensive website has a transistor and FET Curve tracer. Also a simpler curve tracer for all components. Click on box to download the schematic, etc. https://www.changpuak.ch/electronics/Curve_Tracer_advanced.php#
2024-02-08 Padauk PMS154C 5 Cent Microcontroller
“”The 5 cent microcontroller! Got myself 100 Padauk PMS154C, one time programmable microcontroller. 2K program memory, 128 bytes of RAM, 6 timers (some 8 & 11 bit pwm capable), hardware comparator, deep sleep and interrupts capable. Alongside the proprietary programmer too (about 100$). Perfect to flash a few leds on toys, or similar simple cheap
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2024-02-04 Add Bluetooth To A Receiver
1 min. YouTube short
2023-11-18 Infinitely Deep, Bottomless Mirrored Drum
Optical Illusion! https://www.facebook.com/reel/869041391285017
2023-11-14 My Supercharged Joule Thief At Devopedia
He uses my SJT circuit in his web page. https://devopedia.org/joule-thief-circuit