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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.

ESP32 Solenoid Lock Controller

ESP32 Solenoid Lock

A solenoid lock is an electric actuator that converts electrical signals to motion. It is commonly found in electronically controlled doors and drawers. Using the solenoid lock with a microcontroller is easy and, if you’re a beginner, this project is just for you.

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ESP32 Pinout Diagram | ESP32-WROOM-32

ESP32 Pinout Diagram

Unlock the potential of your ESP32 by knowing its capabilities with the help of this ESP32 pinout diagram. There are several ESP32 board types which we will cover in later tutorials. For this post, we feature the ESP32-WROOM-32. Whether you're a beginner or an experienced developer, understanding the pins is …

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Cloud GPUs - When to Use it

Over the past few years, the use of video cards has been associated with mining. Even gaming took a back seat. In fact, graphics processing units (GPUs) can be successfully used for a wide range of business tasks. So what are these tasks and what are the benefits of using …

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7 Ultimate Content Marketing Tips and Strategies

The potential of content marketing cannot be overstated when it comes to fostering genuine connections between businesses and their audience. Whether you find yourself at the helm of a small enterprise, a dedicated blogger, or a seasoned marketing professional, you’ll need it.  Hopefully, these seven tips and strategies will empower …

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Fueling Your Knowledge: The Economics of Fuel Conditioners

Hey there, fuel-savvy reader! Are you tired of the rising costs at the pump, constantly feeling like your hard-earned money is going up in smoke? Well, fear not, because we're about to dive into a game-changing solution that could potentially save you a pretty penny: fuel conditioners. You might have …

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CSGO Coinflip Strategies

Understanding Coinflip in CSGO Coinflip is a popular gambling game mode in CS:GO that involves two players betting on a coin toss outcome. Players wager their skins or in-game items, and the winner takes all. It's a simple yet thrilling game that can yield significant rewards if you understand the …

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