Archive for capeMirror
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bluetooth: a wireless arduino (nearly)
having got the stepper motor running the next thing to do is to send signals to the arduino chip (the ATMega 168) over bluetooth. for an arduino intro see this post). the bluetooth chip i picked up is a […]
stepper: arduino driven motor
So, first step (excuse the pun) is to get the arduino to drive a stepper motor. ultimately there will obviously be two (one for the altitude axis, the other for the azimuth). i got both these steppers from […]
levelling feet? (v. 1.1)
Need to get some levelling feet to support the mount when it’s not on the tripod and give a bit of height to prevent it resting on plate which ordinarily attaches it to the tripod. i’ve looked for ages for some 5mm screw-in levelling feet that don’t “wobble” (ie have any ‘articulation angle’ as it […]
bottom plate bearings solution (v. 1.1)
sorted the bottom plate bearings problem. the aptly named ‘simply bearings‘ company provided me with a very nice Needle Roller Cage and Roller Assembly 80x105x4mm (part no: AXK80105). Cost: £14.9557 + £2.62 (vat) + £1.50 shipping. Total: £19.34 Works like a dream. Just need to find a way of holding it secure. You can buy […]
bottom plate bearings problem (v. 1.1)
the bottom plate now needs a way of ensuring that it ‘glides’ around rather than scrapes as it does at the moment. so time for some ball bearings. after a bit of internet searching, the easiest available to me were from rs components. ordered them easy enough but once they arrived it turned out they […]
