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Roland Pelayo

I started TMM back in 2015. I’m a firmware and embedded systems engineer with over ten years of experience designing and developing electronic and microcontroller-based products. Over the years, I’ve worked on a wide range of projects, including medical devices, access control and security systems, automation, robotics, wireless communication modules, IoT systems, imaging and sensor instruments, and educational training tools. I’ve built systems using platforms such as PIC, AVR, ESP32, STM32, nRF52, and Raspberry Pi, and I regularly work with protocols like RS485/OSDP, CAN, TCP/IP, Wiegand, and a variety of sensor and communication interfaces. I also develop full-stack solutions for embedded projects, combining firmware, hardware, and web-based dashboards when needed. If there’s a topic you’d like me to write about, or if you need consultation or hands-on development for electronics, embedded, or firmware projects, I’m always open to working on new ideas and collaborations. You can reach me anytime through the contact page.

Using Flash Data Storage (FDS) in the nRF52832

The nRF52832 is a versatile SoC (System on Chip) from Nordic Semiconductor that supports various features, including Flash Data Storage (FDS) for non-volatile data management. This post gives some basic examples of how to use FDS to save, delete, and update data, as well as how garbage collection works to …

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Finding a Reliable Electrician in Lancaster, PA: A Comprehensive Guide

In the historic city of Lancaster, PA, the need for skilled electricians is ever-present, spanning residential, commercial, and industrial sectors. Local electricians offer a wide range of services tailored to meet the unique demands of both historical properties and modern constructions. Whether you're renovating a colonial home, upgrading your business …

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The Pros and Cons of Early Pension Withdrawal

Planning for retirement is a critical aspect of financial management. Pros of Early Pension Withdrawal 1. Immediate Financial Relief One of the primary reasons people consider early pension withdrawal is to address immediate financial needs. Accessing your pension funds can provide the cash necessary to cover unexpected expenses, medical emergencies, …

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The Role of SEO and Online Presence in the PR Industry

A strong online presence and effective SEO practices are key to success in public relations. In an industry focused on managing brand perception, it's essential to ensure your brand is easy to find and engages meaningfully with its audience. SEO helps position your brand at the forefront of search engine …

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Revolutionize PCB Marketing with PCBX: Your All-in-One Choice

Introduction PCBX is a global company established in 2005 specializing in PCB fabrication and assembly for various industries. We offer one-stop solutions for PCB design, manufacturing, component selection, and PCBA services. PCBX is committed to addressing the global electronics market's needs with advanced and cost-effective solutions.

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Implementing PID for a Line Follower Robot

  A PID controller is a must-have for any control system aiming for stability. I’ve introduced how to implement PID using an Arduino microcontroller. Now, I’ll be applying PID in the design of a beginner robot project, a line follower. A line follower does what it’s named after. An optical …

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Achieving Natural Results: Hair Transplants in Colombia Explained

Hair transplant procedures have gained immense popularity worldwide as an effective solution for hair loss. Colombia, in particular, has emerged as a sought-after destination for individuals seeking high-quality and affordable hair transplant services. This document aims to provide an in-depth explanation of hair transplants in Colombia, covering everything from the …

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