PCB Box with Snap Fit Hinge Lid
Description
This Is A Simple Box To Hold A Custom Pcb. This Pcb Uses Optocouplers And An Mcp23017 Port-Expander To Monitor 24Vac Output On 16 Channels Over I2C. The Address Is Selectable And The Board Is Designed To Be Daisy-Chained With Up To 7 Other Boards For Up To 128 Sensing Channels. Each Board Also Has 4 Individual Channels That Do Not Pass Through The Port Expander But Can Be Polled Using Any Digital Pin. Check My Hackaday Page For More Info. Https://Hackaday.Io/Project/26202-16-Channel-24Vac-Detection-Over-I2C The Pcb Size Is: 93.5Mm X 63Mm X 13Mm As Pictured. Mount Holes Are 4Mm And Spaced 7.25Mm/7.25Mm X/Y From The Corners. The Box Features Snap Fit Hinges! The Hinges And Their Snap-Fit Is Designed For Esun Pla+, But The Fit Can Be Changed With The Variable Claspcut = Claspdiam/4.5. Claspcut Can Be Set Between = Claspdiam/2.5 To Claspdiam/6 As Needed. The Box Can Be Scaled But Claspcut Should Be Changed As Needed. Scad Code Is Messy!
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