Installation of ESU LokSound micro v3.5 into Piko Taurus isn't difficult. Taurus has quite a big space for standard loudspeaker which comes together with LokSound micro decoder. However the decoder itself does not fit with it's connector. I had to cut the 6-pin connector, which anyway doesn't fit the Piko's 8-pin and solder the wires individually into Taurus connector directly. How the wires are connected is described on http://www.opendcc.de/info/decoder/schnittstellen_e.html, or extracted tables below, showing only NEM651 (6-pin) and NEM652 (8-pin) connectors.
Locomotive Interface Pinout
NEM651 (6 pins)
| Signal | Color | Pin |
|---|---|---|
| motor right | orange | 1 |
| motor left | grey | 2 |
| track right | red | 3 |
| track left | black | 4 |
| light front | white | 5 |
| light rear | yellow | 6 |
Note: The light can either be connected against the right track or common (+).
Common is unfortunately not on the interface, you can either use the rectifier on the decoder (with an extra cable)
or create it externally with two diodes from the track signals.
Plug: round or rectangular pins, 1.27 mm grid
NEM652 (8 pins)
| Signal | Color | Pin | Color | Signal | |
|---|---|---|---|---|---|
| motor right (+) | orange | 1 | 8 | red | track right (+) |
| light rear (-) | yellow | 2 | 7 | blue | Common, (+) |
| F1 (may be open) | green | 3 | 6 | white | light front (-) |
| track left (-) | black | 4 | 5 | grey | motor left |
Plug: round pins, 2.54 mm grid
You can see the Taurus with LokSound decoder in action on my YouTube channel.
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