Model Railway Knowledge Centre

Practical guides, projects and technical help covering DCC and DCC-EX, layout automation, servos, electronics and real-world model railway projects.

Latest Guides

First Power-Up: The ACI-CD16 Takes Its First Steps
The ACI-CD16 has reached an important milestone. Follow the first successful prototype tests as the detector recognises track occupancy, communicates with DCC-EX EX-Rail, and the realities of prototype development uncover a small hardware revision before the next stage begins. Read more...
ACI 16-channel model railway current detector prototype undergoing development and testing on an electronics workbench.
Why ACI Built a 16-Channel Current Detector
Some products begin with an idea. Others begin with a problem that needs solving. Discover how real-world experience on the Holgate exhibition layout inspired ACI to develop its first 16-channel... Read more...