Collaborate Disseminate
TshWatch is a project by [Ivan / @pikot] that he’s been working on for the past two years. [Ivan] explains that he aims to create a tool meant to help …read more Continue reading TshWatch Helps You Learn More About Yourself
[electroSwing] is building a lightweight, battery-powered board to track and measure movement of all kinds, called Tracer. Powered by an ESP32, it has a LSM6DSL 6DoF accelerometer & gyroscope sensor, …read more Continue reading Tracer, A Platform For All Things Movement Logging
The votes for Hackaday’s Data Loggin’ Contest have been received, saved to SD, pushed out to MQTT, and graphed. Now it’s time to announce the three projects that made the …read more Continue reading Winners of Hackaday’s Data Loggin’ Contest: Bluetooth Gardening, Counting Cups, and Predicting Rainfall
When can you be sure that you’re logging enough data? When you’re logging all of the data! Of course there are exceptions to the above tongue-in-cheek maxim, but it’s certainly …read more Continue reading If You Can Measure It, You Must Display It
What are we gonna’ do with all this data? Let’s make it something fun! That’s the point of the just-launched Data Loggin’ contest. Do something clever to automatically log a data set and display it in an interesting way. Three …read more
Pushing all of your data into “The Cloud” sounds great, until you remember that what you’re really talking about is somebody else’s computer. That means all your hard-crunched data could potentially become inaccessible should the company running the service go under or change the rules on you; a situation we’ve …read more
People unfamiliar with shooting sports sometimes fail to realize the physicality of getting a bullet to go where you want it to. In the brief but finite amount of time that the bullet is accelerating down the barrel, the tiniest movement of the gun can produce enormous changes in its trajectory, and the farther away your target is, the bigger the potential error introduced by anticipating recoil or jerking the trigger.
Like many problems this one is much easier to fix with what you can quantify, which is where this DIY rifle accelerometer can come in handy. There are commercial …read more
Continue reading Rifle-Mounted Sensor Shows What Happens During Shot
[G6EJD] wanted to design a low power datalogger and decided to look at the power consumption of an ESP32 versus an ESP8266. You can see the video results below.
Of course, anytime someone does a power test, you have to wonder if there were any tricks or changes that would have made a big difference. However, the relative data is interesting (even though you could posit situations where even those results would be misleading). You should watch the videos, but the bottom line was a 3000 mAh battery provided 315 days of run time for the ESP8266 and 213 days …read more
Continue reading Datalogger uses ESP32 and ESP8266 Low Power Modes
There has always been a need for electronic graph paper – a digital device that records ones and zeros, writes bits, and keeps track of analog voltages. Many moons ago, this sort of device was graph paper, wrapped around a drum, slowly spinning around once per day. With the advent of cheap, powerful microcontrollers and SD cards these devices have become even more capable.
For their entry to the Hackaday Prize, [Kuldeep] and [Sandeep] have built Box0. It’s a lab in a bag, an open source data acquisition unit, and a USB device that toggles pins, all in one simple …read more
Continue reading Hackaday Prize Entry: Electronics Anywhere, Any Time