optical-sensor
optical-sensor


Author Comment Last activity Moderation
mamamia0819 "Nice project! Our company(https://www.creative-biogene.com) is also engaged in microbe species. Your task is quite useful. " | Read more » about 1 year ago
humanetechnologies "Hi @warren, I am sorry for the delayed response. Thanks much for your understanding. I have just modified the page to avoid any such confusion. Tha..." | Read more » almost 4 years ago
warren "Thanks for the clarification! Would you mind changing it on this page as well? I appreciate your sharing of the plans, even if you aren't able to f..." | Read more » about 4 years ago
humanetechnologies "Hi @warren, thank you for the question and providing us the open-source hardware definition. After going through it, we agree that our MicrobeMeter..." | Read more » about 4 years ago
warren "Hi, thank you for posting! This looks like a really interesting project; thanks for sharing. I wanted to ask for a clarification -- you mention th..." | Read more » about 4 years ago
gretchengehrke "@bhikman, that integrated optical filter is neat, and surprisingly inexpensive! If you do pick this back up, I am super interested in seeing how we..." | Read more » over 5 years ago
bhickman "Hi @gretchengehrke. I kinda let this project fall though the cracks. I did have the sensor working pretty well, the only issue was interference fro..." | Read more » over 5 years ago
gretchengehrke "Hi @bhickman and @ggallant! I was just reading this research note and comments again, and it sounds like such a promising project. Are there any up..." | Read more » over 5 years ago
stevie "Hi there! still on this project? There's a Public Lab event coming up not too far from you in Morgantown WV. You should think about coming! www.pu..." | Read more » over 5 years ago
bhickman "Hi ggallant. Your design files look great! I'm going to have to look into openscad. As far as a server, I don't think publiclab has one. I think mo..." | Read more » over 6 years ago
ggallant "I parked the openscad design files at https://www.dropbox.com/sh/mzp8gketcuqufkq/AADkG_kmo2xcL3iWYOLi4YCxa?dl=0 If there is a better place, such a..." | Read more » over 6 years ago
bhickman "Hi ggallant. I'm definitely interested in what you have put together. I'll check out openscad to see what you have. As for the pipe and air bubble..." | Read more » over 6 years ago
ggallant "I have decided to suspend my current turbidity sensor and instead adapt yours to my base station. If it is of interest I have modeled the mechanica..." | Read more » over 6 years ago
bhickman "Hi ggallant. Sounds interesting. I'm trying to picture your design, but I'm not sure if I have it right. Can you post a picture? I definitely thin..." | Read more » over 6 years ago
ggallant "My current led and sensor boards are 6 sided and designed to attach to hardware store 3/4 plugs with plenty of epoxy and silicone sealant. Next rev..." | Read more » over 6 years ago
bhickman "Hi ggallant. I'm using Texas Instrument's Tiva microcontroller which has a couple pins that allow you to tap into the bus power (5V at 1A). For sho..." | Read more » over 6 years ago
ggallant "The LED is specified at 100ma. This "should" need a driver transistor. Outputs pins from the CPU are typically rated at 25ma max. " | Read more » over 6 years ago
bhickman "Hi gretchengehrke, thanks. To answer you questions: (1) I'm using this LED and this photodarling as the detector. The LED has a maximum output at 8..." | Read more » over 6 years ago
gretchengehrke "Hi @bhickman, this is great. Other folks (mostly @donblair) have been working on developing a turbidity sensor too. I have a couple of questions wi..." | Read more » over 6 years ago
bhickman "Hi ggallant. To answer your questions: 1. Yes, the unit is intended for submerged operation. So far I have only had it submerged in beakers in the ..." | Read more » over 6 years ago
ggallant "Couple of questions: 1. Is the unit intended for submerged operation? 2. Extended deployment? 3. How is the water cycled to the chamber? 4. What ar..." | Read more » over 6 years ago
chrisbartley "@ledi001 All the visualization software is custom stuff we developed at the CREATE Lab. The grapher in the demos is our BodyTrack grapher which w..." | Read more » about 7 years ago
ledi001 "Great idea and great monitoring! Please can you post some information about the software you use for the visualization of the data for the grid and..." | Read more » about 7 years ago
warren "@mathew and I spent a week and got some Open Pipe Kit drivers written, including for the Shinyei. Take a look: https://github.com/jywarren/opk-shin..." | Read more » over 7 years ago