Comments

Author Comment Last activity Moderation
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 » about 21 hours 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 » 12 months 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 » about 1 year 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 1 year 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 1 year 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 1 year 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 1 year 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 » almost 2 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 » almost 2 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 » about 2 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 » about 2 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 » about 2 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 » over 2 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 » over 2 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 » over 2 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 2 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 2 years ago
EdMallon "I try to keep the blog tightly focused on the logger build details. But this year, I felt that I had to say something a bit more pointed about the ..." | Read more » almost 3 years ago
EdMallon "Like a great Hollywood franchise I finally released the prequel to that "Configuring I2C Sensors" post from a few months ago: Adding Sensors to an..." | Read more » almost 3 years ago
EdMallon "I've been working on an overhaul of the code base for our data loggers and in the process I standardized some of that spagetti code into a simple s..." | Read more » almost 3 years ago
EdMallon "I really appreciate the encouragement guys. But I need at least a month before I could do anything about it. We've already turning away other offer..." | Read more » over 3 years ago
EdMallon "I found that pulling up the three lines usually helps the cards sleep faster. Unfortunately this is completely controlled by the sd controller circ..." | Read more » over 3 years ago
EdMallon "Aside form the research goals, I've always wanted to create something that everyone could make on their own. And don't worry about the soldering - ..." | Read more » over 3 years ago
EdMallon "Hi Warren, I think that would be a good idea for the screw-terminal logger, as it's a generic, and would provide people with lots of flexibility to..." | Read more » over 3 years ago