Ayyyee. You might have traveled here from this video below. I have posted the high-resolution photos below for your inspection. If you’re in the DFW area and offer NDT services please send me an email: ndt@andrewgrabbs.com LightCarbon.com LCG-010-D Gravel Frame Specifications Frame Lightcarbon addict best carbon gravel bike frame …
DIY KICKR Headwind (Smart Fan)
This post will show you how to control your bicycle fan speed with your heart rate monitor. DIY KICKR Headwind Parts List ESP32 Dev Board Jumper Wires USB Cable 4 Channel Relay Heart Rate Monitor High Velocity Fan Schematic DIY KICKR Headwind Code https://github.com/agrabbs/hrm_fan_control Thanks to… Curious T!mo’s Video
995.1 Miles on a Hambini Bottom Bracket
The day has finally come. I have hit 1000 miles on my Hambini Classic BB86 Bottom Bracket, well. 995.1 miles to be exact, but I simply could not be bothered to get back on the trainer and crank out 5 more miles. The Hambini bottom bracket has done well so far. I have had no…
Stems, Handlebars and Spacers
I always seem to get pain in between my shoulder blades and particularly my right shoulder/neck. I chalked it up to poor posture and continued to work on proper form and core strength, but then I came across a Francis Cade video that featured Bike Fit James discussing handlebar choice and how to measure for…
Bike Check: Gravel Race Bike for 2020
Welcome to my 2020 gravel bike build. This started as “budget” build but quickly escalated to a ridiculously costly build. I have moved the post with all of the current specs to this post Andrew’s Custom 2020 Gravel Race Bike.
NASBerry Pi
Adventures with a Raspberry Pi 4 Model B, some hard drives and some Chinese circuit boards. The Raspberry Pi 4 Model B contains two USB 3.0 ports, something that previous versions did not. This upgrade finally opens up storage array possibilities as the RPi still has no SATA connections. USB 3.0 has a theoretical max…
Mini-ITX Home Linux Server
This is just a general server build write up. I am only listing prices to show what is possible because it is unlikely you may find the same deals on these components that I did. You could also go with standard heat sink and fan. I opted for the radiator because of my case situation….
Cheap pH Meter for Raspberry Pi with ADS1115 and PH4502C
Note: Currently working on a video of this how-to. Should be up in a few days. If you search for “raspberry pi ph meter” you’ll quickly learn that there are very few affordable options when it comes to digitally monitoring the pH of your nutrient solution. For a while Atlas Scientific dominated the search results,…
2018 Specialized Rockhopper 29″
Sold After a few years of good use and a few mountain bike races I’ve decided to sell my 2018 Specialized Rockhopper. I have another 5 months of indoor trainer confinement due to certain medicines that thin blood. I had planned on upgrading my XC race bike over the holidays anyway, but I didn’t expect…
NFT Hydroponic Lettuce
This is my 5th or 6th lettuce grow using hydroponic methods. I haven’t done an nutrient film technique (NFT) as of yet, but I just built simple system that you can read about in my post a quick and sloppy NFT system from PVC. Captains Log October 3, 2019 I started with the standard procedure…