Relay Module Box
cults3d
Relay Module Box for 5V 1 Channel Level Trigger Relay Module https://www.banggood.com/5V-1-Channel-Level-Trigger-Optocoupler-Relay-Module-For-Arduino-p-915614.html?rmmds=myorder&cur_warehouse=CN Relay module should fit in tightly to stay in place, so i have designed 2 holes on the bottom of the box for easy removal when needed. Box should close with snug fit, but it depends on material (PETG vs PLA) and printer calibration. In case you get lid too big or too small, try to scale it up/down for few percent. On the sides there are two ducts so you can fix in place cables with cable ties. Hole on the top is to check LED indicators.
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