Re: Cat Feeder DIY – How to use solenoid to control cat food flowing out of box down to bowl

Thu Jan 17, 2019 9:18 am

tlfong01 wrote: ↑

Thu Jan 17, 2019 7:48 am

Back EMF Flyback Diode Selection Notes
1N5822 Schottky Barrier Plastic Rectifier
https://www.vishay.com/docs/88526/1n5820.pdf
1N5819 1A Sschottky Barrier Rectifier
https://www.diodes.com/assets/Datasheets/ds23001.pdf
FairChild/On 1N4001-1n4004
https://www.mouser.hk/datasheet/2/308/1 … 118319.pdf

1N5819 Schottky Diode to Flyback EMF

Now I have used 1N5819 to do the freewheeling. I also have used a 250V 5A fast blow fuse, just in case, … 

I always thought that Schottky diode was invented by the American guy William Schottky who coinvented the diode in Bell Lab. But actually Schottky Diode was invented by a German guy also called W Schottky. How confusing. (I am hearing the German guy LOL!)

Schottky diode – Wikipedia
https://en.wikipedia.org/wiki/Schottky_diode

Walter H. Schottky – Wikipedia
https://en.wikipedia.org/wiki/Walter_H._Schottky
…Attachmentsschottky_diode_2019jan1701.jpg (179.96 KiB) Viewed 2873 times

Last edited by tlfong01 on Fri Jan 18, 2019 2:24 am, edited 4 times in total.

I am an electronics and smart home hobbyist.

tlfong01Posts:1312Joined: Sat Jun 02, 2018 1:43 pmLocation: Hong Kong

Re: Cat Feed