©
kurtsj00: image01 Herrmans H-track dynamo taillight
©
kurtsj00: image02
©
kurtsj00: IMG_2113a board
©
kurtsj00: IMG_2099 Herrmans H-track light
©
kurtsj00: IMG_2101 rear of the Herrmans light
©
kurtsj00: IMG_2102 bottom of circuit board
©
kurtsj00: IMG_2107 circuit board details
©
kurtsj00: IMG_2109 closer look at the damaged resistors
©
kurtsj00: IMG_2115 side view of supercap
©
kurtsj00: IMG_2133 Q1 is now a sot-223 PZTA42
©
kurtsj00: IMG_2134 connections for PZTA42
©
kurtsj00: IMG_2135
©
kurtsj00: IMG_2136 with thermocouple probe attached
©
kurtsj00: IMG_2138 modified board in the light housing
©
kurtsj00: IMG_2139 sealing the housing with thermocouple attached
©
kurtsj00: Herrmans H-track schem v00a - unmodified configuration
©
kurtsj00: IMG_2113a board v00
©
kurtsj00: IMG_2142 LM431 voltage reference
©
kurtsj00: IMG_2145 board test with LM431 tacked on.
©
kurtsj00: IMG_2146
©
kurtsj00: IMG_2151 added RTV to secure wires
©
kurtsj00: IMG_2152 thermal tests
©
kurtsj00: IMG_2174 removed old resistors
©
kurtsj00: IMG_2175 lost a pad on R1
©
kurtsj00: IMG_2176 ran jumper from R1 to R4
©
kurtsj00: IMG_2177 RTV to secure R1
©
kurtsj00: IMG_2179
©
kurtsj00: IMG_2180
©
kurtsj00: IMG_2181
©
kurtsj00: IMG_2182