We also provide momentary switches for “press to talk” applications. The patient can move the bed to the desired position but they must keep their finger on the button for the bed to move. Our momentary switches are used within the medical industry on the hand or foot control for hospital beds. For example a door buzzer or an electric drill. Once the pressure is removed they will switch off. They will switch on when the user compresses the switch and will remain on only for as long as there is pressure on the switch. Momentary switches require continuous compression. Our latching switches are used within different industries for tattoo machines, and spa operations. Latching switches can be found in the home and are used for things like light switches, central heating switches or on stereos.
They do not require continuous compression from the user. Latching switches are switched on by the user and then remain on until switched off again. Many of our switches come with both latching and momentary options, the difference between these two switch configurations is discussed below. What is the difference between latching and momentary switches? Output has been impedance matched to the industry standard 0.7v at 75 ohms, so what you see for colors will be displayed at the maximum output of the spectrum.Latching switches and momentary switches operate in different ways and therefore suit different applications.
Powered by the ATTINY2313 and a 20Mhz external crystal, the Sweet15 is perfectly suited to run some basic test suites, and is open for further development as the MCU is not soldered in place and can be re-programmed with third party firmware.įurthermore the Sweet15 has a momentary push button so that you can flip between test patterns readily! There is enough room on the ATTINY2313 to store between 7 or 10 patterns of varying complexity.Īs the Sweet15 utilizes digital logic, the color output gamut is the primary colors Red, Green, Blue and its derivatives Yellow, Magenta, Light Blue, White and of course Black. Bummer!Įasily portable and powered by a button cell battery, the Sweet15 allows you to connect to the 15-pin D-Sub connector of any monitor and run various test patterns to ensure the monitor can sync down to 15khz, has no dead/burnt pixels, identify scanline boundaries, and more. The Sweet15 is a retro gamer’s dream, especially for those who are always on the hunt for modern monitors that support 240p, otherwise known as 15khz… or 15.734264Khz if you’re a die-hard fan of gaming! I created it as I was always buying up older monitors, rushing home to hook them up, and then finding out they don’t support 240p. This work is released under: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) View this project writeup at SCHEMATIC (.dch) and PCB (.dip) require Diptrace
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