A DIY robot vacuum needs a reliable drive base, bumper sensing, cliff detection and a dust path that is easy to clean.
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Robot vacuum builds are mechanical projects before they are navigation projects. The robot needs to move without getting stuck, collect dust into a removable bin and survive bumping into furniture.
Start with random-bounce cleaning and reliable sensors before mapping. A weak suction path or jammed brush will make mapping irrelevant.
Pulling current matching products on AliExpress…
Simpler firmware, bumper switches and cliff sensors.
Add wheel odometry, IMU and LiDAR after the cleaning path works.
The dust path and brush. Navigation does not help if debris never reaches the bin.
Not for the first version. Add it after the robot drives and cleans reliably.
Any floor robot near stairs needs a hard way to stop before falling.
Start with this prompt prefilled, then let RoboHub generate the live parts list, wiring plan, CAD and firmware.