14 June 2020
Fitted Toe Feelers - see Ullr Gallery 2020-06-14
and Ground sensors.
23 May 2020
Stripped Ullr down for painting - see Ullr Gallery 2020-05-23 - Ullr bones
15 April 2020
Ullr with new head wings - see Ullr Gallery 2020-04-15
13 April 2020
Mocked up head wings so Ullr rolls from upside down onto its front or back.
October 2019
Ullr circuit - squares are 0.1 inch
Ullr rear-panel circuit
With room lighting + desk lamp
Whisker sensitivity <5"
Feeler sensitvity <5"5
Note - Feeler-phototransistors are opposite way round to Whisker-phototransistors!
September 2019
Ullr sheet3 - squares are 5mm.
Ullr sheet4 - squares are 5mm.
14 September 2019
Ullr sheet1 - squares are 5mm.
Ullr sheet2 - squares are 5mm.
Corrections
7 August 2023 - sheets 3,4 squares corrected from 3,4, to 5,5