SPI LED pixel transmitter/receiver system up to 50m kit 5 Tx 5 Rx - Contest SMART-TxRx

SMART‑TxRx is a transmitter / receiver system designed to overcome the typical limitations of SPI-based pixel LED systems, increasing the maximum distance from less than 5 meters to up to 50 meters for each Tx / Rx pair. During transmission, the device automatically converts the SPI (TTL) signal into a stable symmetrical signal over long distances, eliminating interference and preventing data loss, and then converts it back to SPI upon arrival. The kit includes 5 transmitters and 5 receivers, allowing you to manage multiple installations or extend a single line with multiple cascaded stages. Thanks to its extremely compact design (31 mm) and large solder points, integration is easy, even in suspended ceilings or limited spaces. The system operates fully automatically (5 - 24 VDC) and also allows for remote positioning of the controller, freeing the installation from aesthetic or logistical constraints. Designed for architectural, retail, hospitality and complex projects with long runs of pixel LEDs, the SMART‑TxRx becomes an essential tool when it is necessary to overcome the 5-meter limit typical of the SPI signal / protocol.

Technical characteristics

• Input voltage: 5 - 24 V_DC
• Input signal:
  • Tx: SPI (TTL)
  • Rx: balanced signal
• Output signal:
  • Tx: balanced signal
  • Rx: SPI (TTL)
• Input connection (Tx): 3 solder tracks
• Output connection (Tx): 2 solder tracks
• Input connection (Rx): 2 solder tracks
• Output connection (Rx): 3 solder tracks
• Kit of 5 Tx / 5 Rx
• Ambient temperature: -20 to +55 °C
• IP rating: 20
• Dimensions: 31 x 10 x 5 mm
• Weight: 2 g