Robie Elliz Tizon
Electronics Engineering Student | DOST-SEI Scholar
Polytechnic University of the PhilippinesBS Electronics Engineering - 3rd Year
Recent Major and Weekend Projects:
CP2102N USB to UART Bridge Module
Description
I developed this as a personal project and created a few additional copies for sale to friends and colleagues.The CP2102N is a highly integrated USB-to-UART bridge controller that enables seamless communication between USB-enabled devices and UART interfaces. It supports a wide range of baud rates and offers features like low power consumption, integrated clocking, and enhanced data transfer capabilities, making it a versatile choice for serial communication applications.I plan to use this module for programming my custom ESP-based projects and for interfacing UART devices with my PC, allowing for efficient data reading and debugging.
Date: November 2024
PUP SAFE: Swift Alert for Earthquakes
Description
Led the design and development of PUP SAFE, an innovative Earthquake Early Warning System prototype. This system provides faster and more reliable alerts, operating independently of the national warning system.Utilizing a LoRa-based mesh network of seismic detection devices, PUP SAFE enhances accuracy and coverage of earthquake alerts.
Role:
Project Lead, System Design
Date: June 2024
Brushless DC Motor Controller for 2024 Shell Eco-Marathon Asia – Urban Type Category
Description
Led the research and development to design and build a custom motor controller for PUP Hygear’s electric vehicle. The controller ensures efficient power delivery and optimal performance, tailored for the Shell Eco-Marathon Asia 2024 competition.
Role:
Project Lead, PCB Design, System Design, Programming
Date: 2023-2024
CP2102N USB to UART Bridge Module
Date: November 2024
The CP2102N is a cutting-edge USB-to-UART bridge controller, designed to facilitate seamless communication between USB-enabled devices and UART interfaces. As part of Silicon Labs' USBXpress™ family, it integrates advanced features that simplify the often complex task of serial communication, making it an excellent choice for both hobbyists and professionals.With support for a wide range of baud rates, the CP2102N ensures compatibility with various devices and applications. Its robust feature set includes low power consumption for energy-efficient designs, integrated clock generation for precise timing, and enhanced data transfer capabilities for reliable and high-speed communication. These features make it highly versatile, whether you are working on prototyping, embedded systems, or IoT applications.The module's design includes a modern USB-C interface, ensuring a durable and reversible connection. This future-proofed connectivity standard provides robust performance and ease of use, enhancing compatibility with current and future USB-enabled devices. Additionally, built-in USB ESD surge protection using USBCL6 ensures the module remains resilient to electrostatic discharge and voltage spikes, increasing reliability and durability in challenging environments.
This USB-to-UART bridge is ideal for programming custom ESP-based projects, enabling easy flashing and debugging of ESP microcontrollers. Its straightforward setup also makes it an excellent tool for interfacing UART devices with your PC, allowing for efficient data monitoring, troubleshooting, and debugging. Whether you are working on custom sensors, data loggers, or other UART-based hardware, the CP2102N streamlines your workflow by providing a dependable and hassle-free communication link.Moreover, the module supports multiple connectivity options, including JST-XH connectors for secure and durable connections and pin headers for prototyping on breadboards or integrating into custom PCBs. Power stability is maintained through an AMS1117 LDO regulator, which delivers a reliable 3.3V output, ensuring consistent performance for the CP2102N and connected devices.
USBXpress™ Family CP2102N
The CP2102N is part of Silicon Labs’ USBXpress™ family, designed for simple and reliable USB-to-UART bridging. Its advanced features include integrated clock generation, data flow control, and low power operation, making it suitable for modern embedded systems. The CP2102N is fully compliant with USB 2.0 specifications and provides effortless integration into your projects without requiring deep USB protocol expertise.
USB-C Connectivity
Equipped with a USB-C interface, this module offers modern and versatile connectivity. USB-C ensures robust, reversible connections and broad compatibility with a wide range of devices, making it convenient for both development and production environments. This feature future-proofs your projects while enhancing durability and ease of use.
JST-XH and Pin Headers for Connectivity
The module is designed with dual connectivity options: JST-XH connectors for secure, plug-and-play interfacing, and standard pin headers for easy prototyping on breadboards or custom PCBs. These flexible options cater to both development stages and final product integration.
Powered by an External LDO [AMS1117]
The module includes an AMS1117 linear voltage regulator, ensuring a stable 3.3V output from an external power supply. This setup provides reliable power delivery to the CP2102N and connected devices, minimizing noise and maintaining efficiency for seamless operation in various environments.
USB ESD Surge Protection
To ensure robust performance and protect against electrostatic discharge (ESD) surges, the module incorporates the USBCL6 ESD protection device. This component safeguards the USB-C interface against voltage spikes and transients, enhancing reliability and durability even in challenging environments. With USBCL6, the module complies with stringent ESD immunity standards, ensuring long-term stability.
Inspired by Voltlog's Voltlink Project
Visit his Github page!
Device Schematics and PCB Layout
CP2102N Chip Datasheet