Connected DIY Tech 
Cars That Think
AUGUST 29, 2024
This handles wireless connections with my sensors, appliances, and other devices. My homebrew devices are connected to the GPIO pins of a Raspberry Pi, which relays their state via Wi-Fi using the MQTT standard protocol for the Internet of Things. Each is fitted with a $20 add-on PoE “hat” to draw power from its Ethernet connection.
Cars That Think
AUGUST 20, 2021
The handlebar-mounted controls connect with an Arduino, which interprets their settings and translates them into a PPM signal, which is applied to the electronic speed controller. The speed controller is connected to the motor and battery in the usual fashion, with an automotive-type blade fuse in line for safety.
Clean Fleet Report
MARCH 14, 2023
Tech: How to Troubleshoot Electrical Issues Tips for Diagnosing Power Issues in your Car This article may contain affiliate links. Although you can have an approximate gauge of the issue yourself, it does not necessarily mean you can take the DIY route.
Cars That Think
AUGUST 20, 2021
The handlebar-mounted controls connect with an Arduino, which interprets their settings and translates them into a PPM signal, which is applied to the electronic speed controller. The speed controller is connected to the motor and battery in the usual fashion, with an automotive-type blade fuse in line for safety.
Cars That Think
AUGUST 1, 2023
But if you had asked me that question in the 1960s or 70s, my answer would be completely different because then I might have had to write the book longhand with a really big magic marker and fill up hundreds of notebooks with giant print—basically making my own DIY 30-point font instead of having it on my computer. That’s the one you want.”
Cars That Think
NOVEMBER 26, 2023
But this tech gets you only so far: Noise cancellation works just for relatively low frequencies, and the overall hearing protection that earbuds can offer is also relatively limited. In an attempt to solve this, I first added a separate and dedicated ground connection from the left microphone back to the electronics in the right ear can.
Cars That Think
JUNE 2, 2022
The Ukrainian company 3D Tech ADDtive was the first to come up with an initiative to defend Ukraine. The Ukrainian company 3D Tech ADDtive developed a combat application tourniquet [left] containing multiple 3D-printed parts [right]. Personal connections are one of my primary sources of information about what is happening in Ukraine.
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