The Feige air conditioner at home was bought in 2000. It is still in use after 15 years. Some parts of the outer casing are rusted through (it is also related to the bad air quality in the local indus
The key is to be cheap and useful. I plan to use it for voice recognition, to be able to recognize human voices, and to be able to recognize the voices of different people. The one that is probably to
I want to sample the AC current and use ACS712, but my senior said it cannot be isolated. However, I feel it can be isolated after reading its data. So, I want to ask the experts here, can ACS712 be i
[i=s]This post was last edited by paulhyde on 2014-9-15 09:15[/i] The car drive has an optocoupler. This is the kind we built last year and it was a success!
Fully integrated optical modules enable higher specification performancePhotoplethysmography (PPG) is a common technique for measuring blood oxygen saturation (SPO2) levels. A light transmitter is use