Cheap DRO for mini lathe

[Stuart Smith 5Participant @stuartsmith5]

I made a cheap DRO for my CJ18a mini lathe using 4 cheap Aldi workzone digital calipers, an interface using an Arduino nano and a cheap Android tablet running the TouchDRO app.

I have intended to post about it for a while and todays post about cross slide dial calibrations on the same lathe has prompted me to actually do it.

I can’t claim any originality in this – I have followed ideas from various others on the internet and based the circuit on the one posted by Les Jones on here.

I think it cost about £80 in total.

I am quite pleased with it as a beginner.

Photos in my Lathe DRO album.

[Stuart Smith 5Participant @stuartsmith5]

[Stuart BridgerParticipant @stuartbridger82290]

Hi Stuart,
You may get more "traction", if you link the photos from your album into your post. Use the camera icon in the editing menu bar

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