German manufacturer of digital model railway components, including decoders, feedback modules, and light control systems compatible with DCC and Motorola formats.
Littfinski DatenTechnik (LDT), now a brand of Bühler elektronische GmbH, is a specialized manufacturer of digital electronic components for model railways. Headquartered in Germany, LDT produces a wide array of devices designed to automate and control model layouts, such as the Light-Signal Decoder (LS-DEC), feedback modules, transponder readers, and the Light@Night PC light control system.
LDT products are well-regarded for their compatibility with major digital standards, including Märklin-Motorola and DCC, allowing seamless integration into existing digital setups. The company offers its hardware both as finished modules and as assembly kits for hobbyists. LDT provides extensive documentation and sample connection guides to assist model railway enthusiasts in configuring complex signaling and control scenarios.
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Most LDT decoders, such as the Light-Signal Decoder (LS-DEC), are compatible with both Märklin-Motorola and DCC data formats.
Yes, many modules can receive power from the digital network, but for stability, an external supply of 14-18V AC is often recommended for devices like signal decoders.
Sample connections and detailed wiring diagrams are available on the LDT Infocenter website under the 'Sample Connections' section.