Comments

Author Comment Last activity Moderation
EdMallon "The e360 course required different sensors for each lab, so we tweaked the 2-part logger with 3D printed rails holding mini breadboards to provide ..." | Read more » 8 months ago
EdMallon "The latest in our ongoing series of build videos supporting Dr. Beddows enviro-sci students who have to first build the logger(s) used to collect d..." | Read more » about 1 year ago
EdMallon "A summary of the many waterproofing methods we've used over the years. Might be a few ideas there that Public Lab builders find useful: https://the..." | Read more » over 1 year ago
EdMallon "The ones from Fisher Scientific and Thermo have notably better quality seals than no-name brand tubes. So if you are putting them somewhere swampy ..." | Read more » over 2 years ago
EdMallon "This latest update was motivated by several factors but the most important ones were: (1) Our own project has grown to the point that every fieldwo..." | Read more » over 2 years ago
EdMallon " It’s been a long time since I posted, and you’d be forgiven for thinking the Cave Pearl Project was yet another victim of COVID. While the attend..." | Read more » over 2 years ago
EdMallon "Finally have acceptable screen captures exporting from zoom (though frame rate is low) so we've been producing tutorial videos for Dr. Beddows inst..." | Read more » over 3 years ago
EdMallon "With Covid making it hard to predict whether students will be in the lab, or working from home we’ve done an incremental update to the ‘Classroom L..." | Read more » over 3 years ago
EdMallon "Progress with the LED light sensor technique revealed that you can can also measure temperature by timing the reverse-bias charge decay on ANY type..." | Read more » over 4 years ago
EdMallon "With the school year beginning we have some new instructors spinning up their own courses around the classroom logger released earlier this year. ..." | Read more » almost 5 years ago
EdMallon " I've been experimenting with the Input Capture Unit on our pro mini's 329p processor, and with it you can make ‘High-Resolution’ Sensor Readings ..." | Read more » over 5 years ago
EdMallon "You can use a Pro Mini (or any other Arduino with an Atmel processor) to measure temperature using only the mcu. I think this is the best "No-Par..." | Read more » over 5 years ago
EdMallon "A high-school teacher friend asked us for faster build that is less dependent on soldering because they don't have the budget for that kit. So we'v..." | Read more » over 5 years ago
EdMallon "Dr. Beddow's instrumentation students have been building our EDU logger for more than three years and, based on that experience, we've redesigned t..." | Read more » over 5 years ago
EdMallon "For some months now I've been unable to upload images to comment posts in this research note. I've tried multiple different browsers. Though the im..." | Read more » over 5 years ago
EdMallon "I finally completed the set of logger build tutorials on Youtube, to go with the screw terminal logger posted in 2017: Pro Mini Logger Build: Bat..." | Read more » over 5 years ago
EdMallon "Posted a new Tutorial: Adding the SSD1306 OLED Screen to an Arduino Logger (without a library) This is the third in our series about using shift-o..." | Read more » almost 6 years ago
EdMallon "That's very tempting, but I'm not sure I can add another thing to the plate this year. I still have several important new features to add to the co..." | Read more » almost 6 years ago
EdMallon "This is a follow-up to our post about using Nokia 5110 screens on three unused analog lines with shift-out​. That saved me from messing with the h..." | Read more » almost 6 years ago
EdMallon "While the logger core is generic, surface deployments tend to use the 4" housing (which is easy to build) while the underwater deployments (~ half ..." | Read more » about 6 years ago
EdMallon "A visiting researcher dropped by our humble basement workshop with questions about the physical skill level students would need if they added one o..." | Read more » about 6 years ago
EdMallon "I had a project that needed some live data display, and looking for the cheapest low-power solution for our loggers lead me to the Nokia 5110 LCD. ..." | Read more » about 6 years ago
EdMallon "Thanks xose! Its been a long road, and we documented the entire process on the blog over time, including the mistakes. Now we are working towards..." | Read more » over 6 years ago
EdMallon "We have finally published: A Flexible Arduino-Based Logging Platform for Long-Term Monitoring in Harsh Environments http://www.mdpi.com/1424-8220/..." | Read more » over 6 years ago