An Oscilloscope on your TV
Over the last few days I’ve been playing around with an old small black and white tv….I did the infamous “Oscilloscope on your TV” thing that’s all over youtube and the rest of the...
Monthly Archive: July 2019
Audio Triggers a Relay Switch
message: Hello there i am just wondering how i would go about trying to get a circuit designed? The situation i have is i have got a sound signal peak voltage at approx 0.3v....
DC-DC SSR Solid State Relay
This is a DC Input DC Output SSR Solid State Relay. It was made for Printing or Photo Processing Equipment. It has an optical isolation and can be used for inductive loads. The R1...
Hall Effect Water Meter System
I have 36 water meters below ground level which are exposed to intermittent flooding and located throughout a four acre property. I would like to relocate the meter heads to a central location for...
InfraRed Detector for Proximity Switch
The proximity switch can work for a wide range of power, from 8v to 18v DC, D3 protects reverse power supply connections, and U1 regulates the supply to +5v , -5v is derived from...
Connection Diagram of DC PCB SSR
This is an Application note i used to give with my ssr – app012.pdf Diagram of SSR 5000 DC 3-30 Control / 230V AC N.O. @ 3A.
