This is the first of a 4-part series describing the journey taken to hack this little device, an 8 port NVR for security cameras. In this part, we will take a look at (and inside) the device. In part 2 we will take a look at the firmware. Part 3 will have us port Doom […]
Gosund WP3 Smart Plug: teardown and schematic
Today’s teardown is about the Gosund WP3 smart plug. It is cheap, popular, and modern, and I wanted to look at the circuit and build schematics for it so here we go. It will be interesting to see the difference with the ZAP 3L Remote Control outlet from the last teardown. The Device This is […]
Etekcity ZAP 3L remote power outlet: teardown and analysis
In this post I will be taking a look inside the ZAP 3L remote switch outlets and their remote control, roughly describe the circuits involved and look at how the communication protocol works. The tech involved is pretty simple (mains-powered radio receiver & decoder) yet I learned plenty about power supply design, safety, and radios […]
Teardown: HyperDrive Gen2 USB-C Hub by HYPER
I just received a 12-port HyperDrive Gen 2 USB-C hub for my laptop and I couldn’t help but take a peek inside to see what it’s made of. Read on to see how it went. The Device The device is a HyperDrive Gen 2 USB-C hub, 12-port version from HYPER by Sanho Corporation. Here’s their […]
On to new beginnings
In the past year I started picking up learning electronics as a hobby and the journey has been fascinating! Coming from a pure software engineering background I discover and learn little things that slowly piece together the bigger picture of how it all works “down to the metal”. Fair enough any electrical engineer would find […]