Sir Top'm Hat gets a new hat and starts
work at Raspberry Pi Junction at Mile Post 314

The hardware I have designed an add on circuit board for the Raspberry Pi to control stall motor turnout motors. This board uses a quad op-amp circuit to drive a quad output transistor to drive the motors. It also features a 74AHCT00 Quad 2-input Nand Gate IC, wired as a…

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N Scale signals

I have assembled the N scale signals for the Two Siding Oval layout. This assembly consists of a BLMA Models #1000 non-operating N Signal Head (mounted on a piece of styrene), a length of fiber optic cable (Mouser #630-HFBR-RNS001Z), a two color (red/green) LED (Mouser # 696-SSLLX5099GIWCA), and a small…

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