electronupdate

Reverse Engineering a LORA RA-02 / Semtech SX 1278 Module youtu.be/82CE98USlU8?si… via @YouTube

Teardown of an ALI Express LED dimmer: some classic analog design techniques youtu.be/3DlitKjXFC8

Teardown of an Aneng M127 Multimeter.... a good example of how clever semiconductor design enables accuracy at a very compelling price youtu.be/p2xuNnnHEzo

More details on the U2 UWB Chip found on the Airtag 2 electronupdate.blogspot.com/2026/03/airtag…

Espressif ESP-32 P4 Teardown These seem pretty popular. Let's tear one down to the silicon level. youtu.be/-Nu0tjDCbbM

Teardown of the newest Airtag2 to the silicon level youtu.be/UjUIXqiAIgA

RASPBERRY PI PICO FROM ALI EXPRESS: REAL OR FAKE?? youtu.be/uQ3kNFOhTIw?si… via @YouTube

Another Ali-Express buy. A "ublox" GPS module... or is it? youtu.be/ZW7K5wmwksE

Teardown of a another Ali-Express find. Bluetooth ear bud. Crazy cheap! electronupdate.blogspot.com/2025/12/ali-ex…

youtu.be/OVbY0cufnIo Digital angle gauges are built around accelerometers... this one has an accelerometer using technology I did not know even existed!

electronupdate.blogspot.com/2025/12/heat-b… Even boring household items are packed with technology.

Shockingly Poor Engineering: Rain Gauge youtu.be/Qed5SV5CeYY?si… via @YouTube What's the one thing you think might be important in a rain gauge design? Waterproof, perhaps?? Not this gauge. Teardown and repair.

"GPS" Tracker Reverse Engineering youtu.be/C9p1LTlahh4 Not really any GPS in it, but an excellent example of how RF, Digital logic and interfaces are now combined into a single bit of silicon....

Reverse engineering a cheap RF remote switch from Ali Express: old school RF + modern digital youtu.be/qI2bKUeY0Dk

The fundamental 'machine' of our digital world. Just as important as the plane, lever, wheel, wedge, pulley, screw and axle was to civilizations 1st achievements. youtu.be/A8zNqWEFV7s?si… via @YouTube

Toner Cartridge Chip Reverse Engineering youtu.be/zv2TNv2v9Vw "Blades and Razor" model only works if you can sell the blades... a look at the engineering used to lock in a customer....

Problem? 3D Printer. No Problem! I needed a filter for a water pump which had a tricky funnel and unique shape cutout to hold a pump. A few hours at a keyboard and I had a part. We live in amazing times with free CAD tools and cheap 3D printers. youtu.be/1Stjirjv6ao

3D PRINT: DESIGN FOR 1st COPY SUCCESS Get that 1st copy of a 3D print to work the 1st time youtu.be/i0kDkhDR_wg?si… via @YouTube electronupdate.blogspot.com/2025/09/3d-pri…

Reverse Engineering: Teardown of a Digital Timer. Technology hiding i... youtu.be/4yguUDwZT7U?si… via @YouTube