Ultrasonic Sensor Only Gives 0cm : r/arduino - Reddit
Looking at ultrasonic code on Arduino, they only pulse low for 2 microseconds and then high for 5 microseconds. Maybe try altering your delay time. Also can't see the labels on wires going to bottom of ultrasonic board. Might be a chance of being mislabeled. Have you tried swapping trigger and echo pins?
My experience with at-home Ultrasonic Cavitation - Reddit
Ultrasonic cavitation is a non-invasive cosmetic procedure that uses ultrasound waves to target and break down fat cells. You essentially use a probe with high-frequency ultrasound waves to destroy and burst fat cells, which are then recycled out via the lymphatic system.
Acceptable ultrasonic cleaner for circuit boards? : r ... - Reddit
2021年6月24日 · I'm looking for input on getting a budget ultrasonic cleaning tank for electronics and a few random tasks (auto parts, airbrush parts, 3D prints, etc). I don't need anything professional, just something I can use to wash solder flux and/or capacitor gunk from old PCBs - Most boards would be smaller than 8.5" x 11", but I do have a use case for ...
Ultrasonic cleaners - worth it? : r/Invisalign - Reddit
2022年9月24日 · With the ultrasonic cleaner, all I need is 2mins, doesn't matter if I didn't get my night time routine sequence right (esp. when plans change). Lifechanging for all Invisalign wearers! I also use my ultrasonic cleaner to clean other things like my water flosser tip, so it's not a single function item.
Do ultrasonic rodent repellents actually work? : r/homeowners
2020年10月21日 · Exclusion is the only method that really works. If they can't get in, they can't be a problem. However, until you can get your house sealed up properly, use all of the above to help mitigate the problem. The ultrasonic repellents are more of a deterrent - having a couple in the garage or basement isn't going to hurt and they don't cost all that ...
Neighbor is using Ultrasonic Animal Repellent and it's driving
2020年6月24日 · Hey All, Desperately need other homeowner's guidance on how to best approach this situation. My neighbor installed an Ultrasonic Animal Pest Repeller (specifically a Yard Sentinel RC) and I can hear a high pitched ringing from not only my backyard but also inside my house when the windows are open.
Question regarding air particles from humidifiers : r/AirQuality
2022年12月20日 · Please do NOT use tap water in an ultrasonic humidifier. It is probably NOT the water droplets. It is probably NOT the water droplets. It is the mineral rock, chlorine, chloramine, dirt, viruses, bacteria, and other impurities being aerosolized as a byproduct of how ultrasonic humidifiers work.
Ultrasonic Cleaning PCB's : r/AskElectronics - Reddit
2022年5月11日 · A cleaning with actual ultrasonic electronics solvent and rinsing with alcohol would be ideal but not cheap. otherwise just using distilled water and either rinsing with alcohol for quicker drying or skipping the alcohol and giving a longer dry time (at least 24hr) should be like 60-80% as effective.
Question: is it safe to clean my watch in an ultrasonic cleaner?
2022年12月12日 · Once all the parts are disassembled then you can put the majority of them in an ultrasonic cleaner. leave out all the rubber gaskets make sure to re oil all the parts with correct grade oil when reassembling the watch to ensure correct functions. use a timegrapher to ensure the watch is running correctly
Does ultrasonic pest thing work or is it just a scam?
2022年8月19日 · Plenty of things have good reviews and don't work. Periodic bursts of ultrasonic noise aren't enough to keep pests away, otherwise they'd be used a lot more in restaurants, cafes, and supermarkets. Even if they were temporarily turned …