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Contactless Switch-Cabinet Door Lighting
Posted by parson deng on
Application areas Cabinet Door Lighting.Touchless switches offer a very high reliability due to the complete absence of any moving parts. It comes with 12V or 24VDC option; 0-5CM sensing distance; Compared to traditional magnet contact, it removed the magnet part to simplify the installation steps.
Touchless switching- IR Sensing
Posted by parson deng on
NOT Touch! This is contactless Switching. The use of optical IR sensing:an optical signal is emitted, hits an object, is reflected and then detected. Application areas Touchless switches are used wherever increased hygienic requirements for triggering door openings are demanded. is highly demaned in home automation. But also in public restroom facilities, from door opening to triggering the toilet flush and hand wash faucet, everything can be actuated without contact. In residential and care facilities, especially for people with limited mobility, they make life a lot easier. An interesting application is also the door opening for the service...
Enamelled wire heating resistant temperature - Ambient Temperature: Amper Table
Posted by parson deng on
T: Enameled wire heating resistant temperature Q:Ambient Temperature Delta:T-Q Looking below table to see the Amper allowed to pass, when using the Enameled wire at Inductor wiring, The Delta is recommended to be 40C. the temperature rising is linked to the inductance decreased. For example, a choke inductor used 0.35mm dia Enameled wire, Y axis, look up the delta:40C(small letter under), you will the see the rating current is 1.4563A ca.
Dark resistance measured at 10th seconds after closing 10 lux :MF5510 photo resistor
Posted by parson deng on
Photo resistor is light sensitive. There is an item named "Dark resistance" as shown on specification, For example, for MF5510, the dark resistance is 0.5M Ohms. see: https://yanlania.com/products/copy-of-5515-photoresistor-light-sensitive-photo-resistor-metal-shell-x2pcs?_pos=1&_sid=c149bd888&_ss=r One thing to remind, what will happen to the darkness resistance when The cell has stayed in total darkness(after closing 10lux lighting) over 10seconds?Actually, the dark resistance will increase and will much bigger than 0.5M Ohm. And the end user normally want the dark resistance goes high when in darkness, And the minimum is what they concerned, here is,for MF5510, Not less than 0.5M Ohms at 10th seconds after closing 10 lux.
DIY Magic Lighting Photo projector -an example of using Thingiverse
Posted by parson deng on
simply upload picture to www.thingiverse.com/apps/customizer/run?thing_id=2078413 an account registration is required