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Figure 1 First prototypes used Heltec’s ESP8266 MCU with display, a Vishay TSAL6200 IR LED and a TSOP38538 IR demodulator to transmit and receive the LEGO Power Function (LPF) RC protocol.

Build an IR-Based LEGO Train Controller (Part 1)

Near-Wavelength IR in Action Near-wavelength IR is a technology we use every day, but how it actually works in an embedded control application is fascinating. Jeff explains. He then makes use of LEGO’s sets of electronic components and other devices to build an IR-based controller for LEGO IR remote-controlled trains. When we deal with communication, […]
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