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05/02/2022

These LCC node boards feature two stall motor drivers with point sense, two opto-isolator occupancy detectors and 16 PWM LED drivers for signal lamps. These boards have all of the SMD components factory soldered on. They just need a handful of through-hole parts soldered on: terminals, headers, and....

05/05/2018

The Country Robot is now offering 3 bare Raspberry Pi "HAT" boards that are useful for Model Railroad Automation. There is a board for managing stall motor switch machine, and two I/O boards. There is also an octal LED driver board. All three HATs are supported by Deepwoods Software’s Model Railro...

05/05/2018

This article is about Raspberry Pi Junction, a simple demo layout featuring a simple interlocking off the main line at Mile Post 314 that goes past the Mad Hatter Pie Shop.

05/05/2018

Stall Motor Control and Sense HAT for Raspberry Pi, bare circuit board w/ doc | Toys & Hobbies, Model Railroads & Trains, Power & Control | eBay!

05/05/2018

It is specificly designed for common cathode signals. The circuit is just eight driver circuits, each featuring a NPN and a PNP transistor, that level shift and buffer the 3V logic to 20 milliamp, 5V LED drive circuits. | eBay!

05/05/2018

Four of these pins (0-3) are used to drive a pair of dual opto-isolated SSR chip and the remaining 4 (4-7) are driven by a input buffer chip that can be driven with 5V logic. The 5V logic inputs are compatible with many sensor boards available (particularly occupancy detector circuits). | eBay!

05/05/2018

This is a circuit board to for an add-on board for a Raspberry Pi B that will add 16 3V GPIO pins, using a MCP23017 I2C I/O expander. This allows using more than one of this board or any other board featuring a MCP23008 or MCP23016 or MCP23017 chip (up to eight total). | eBay!

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