APC Back-UPS 1400 : Battery Replacement
I woke up irritated by this sound … It seems my UPS battery has picked the last day of the year to die on me. I confirmed it by shutting down the PC and...
Category: Electronics
DIY Gaming Headset
A friend of mine recently bought a PS4 ( yes … weeks before the PS5 launch, but this was a pre-loved set for half the price) and we’ve been playing on-line together. Which means...
The Robotic Arm
Playing with servos and a partially assembled robotic arm. Currently using a servo tester, once it’s fixed up will try with a PCA9685 servo driver from the Pi.
Building a prototype is the easiest part of building a hardware startup …
“Building a prototype is the easiest part of building a hardware startup. The real challenge comes in product design, production engineering, manufacturing, distribution, and marketing/sales. And you need to have friends in China.” LINK:...
New Toy – PentaRef from VoltageStandard.com
*New Toy – PentaRef from VoltageStandard.com* Found my cheap voltmeter was reading 9.57V for 9.600V. Opened it up and found an adjustment screw and now got it to read 9.60V. I guess to be...
My attempt at repeating the experiment
My attempt at repeating the experiment in this http://youtu.be/94RpbYopUdI video. It’s Infuriating trying to get everything straight and balanced for it to spin long enough. I noticed the battery in the original video had an...
