Travel, Code, and Engineering

Tag: electrical-engineering


How to Fix a Car Key Fob

My key fobs have been acting a little funny recently. Only some of the buttons on one of them would work reliably. The other one was getting shorter and shorter range until it stopped altogether. I...


Modding a Franklin R850 Wifi Hotspot for a Car

I just got a new car with Android Auto, and I'm doing a little bit of work to make it work the way I like. The first problem with Android Auto is that it (mostly) requires a data connection for...


Solutions to Common Altium Problems

Typically I enjoy using Altium at work for schematic capture and PCB layout, but occaisionally it'll give me some problems when I try to synchronize my PCB file with my schematic. When syncing,...


How to Choose Decoupling Capacitors

I recently took a class about EMI (electromagnetic interference) and EMC (electromagnetic comapatibility). For me, the highlight of the class were the PCB design tips. Among those tips were a set...


LED Night Light Tear Down

I recently bought a pack of LED Night Lights from China on Amazon. They were very cheaply made, so of course I wondered what they were like on the inside. Today I tried to unplug one from the wall...