RGB LED Signal Tower With Wi-Fi® Interface Reference Design
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Key Document


The objective of the TIDA-00994 reference design is to develop an embedded firmware of a multi-segment RGB signal tower used in factory floor and industrial process automation of greater complexity. A Wi-Fi ® interface is implemented to control the stack light and read back status information. The CC3200 SimpleLink™ Wi-Fi®  offers a Wi-Fi access point as  well as an embedded web server for reading status information and controlling the stack light.

  • Flexible and easy-to-control RGB LED tower light design
  • Different switchable modes: demo, temperature, humidity, and stack light
  • Controllable through wi-fi interface
  • One to five RGB LED segments with four individual channels each
  • Adjustable maximum LED current up to 60 mA per channel

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Schematic/Block Diagram

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Design Guide

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Design Files

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TI Devices (6)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CC3200  SimpleLink™ 32-bit Arm Cortex-M4 Wi-Fi® wireless MCU with 2 TLS/SSL and 256kB RAM  SimpleLink Solutions  Sample & Buy View Design Kits & Evaluation Modules
HDC1080  ±2% low-power digital humidity and temperature sensor  Sensors  Sample & Buy View Design Kits & Evaluation Modules
LMZ35003  7V to 50V, 2.5A Step-Down Power Module in 9x11x2.8mm QFN Package  Step-down (buck) regulators  Sample & Buy View Design Kits & Evaluation Modules
MSP430F5528  25 MHz MCU with 128KB Flash, 8KB SRAM, 12-bit ADC, Comparator, DMA, UART/SPI/I2C, USB, HW Multiplier  Microcontrollers (MCU)  Sample & Buy View Design Kits & Evaluation Modules
TLC5971  12-channel, 16-bit ES-PWM RGB LED driver with 3.3V Linear Regulator  LED drivers  Sample & Buy Not Available
TPD2E001  Low-capacitance 2-channel +/-15k-V ESD protection array for high-speed data interfaces  Circuit protection ICs  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CC3200 Download -
HDC1080 Download Download
LMZ35003 Download Download
MSP430F5528 Download Download
Download -
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TLC5971 Download Download
Download Download
TPD2E001 Download -
Download Download
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Technical documentation

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User guides (1)
Title Type Size (KB) Date
PDF 2324 21 Mar 2017
Design files (12)
Title Type Size (KB) Date
ZIP 496 10 Jun 2016
ZIP 342 10 Jun 2016
ZIP 1057 10 Jun 2016
ZIP 358 10 Jun 2016
PDF 1715 10 Jun 2016
PDF 700 10 Jun 2016
PDF 369 10 Jun 2016
PDF 181 10 Jun 2016
PDF 73 10 Jun 2016
PDF 60 10 Jun 2016
PDF 830 10 Jun 2016
PDF 538 10 Jun 2016
Related Tools & Software

Reference Designs (1)

Name Part Number Tool Type
RGB LED Signal Tower for Industrial Automation Reference Design  TIDA-00979  Reference design 

Hardware development (1)

Name Part Number Tool Type
SimpleLink Wi-Fi CC3200 LaunchPad  CC3200-LAUNCHXL  Evaluation boards 

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