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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.

An Engaging Ad Format For Effective Marketing!

One of the most dependable worldwide ad formats for effortlessly reaching your target audience is web push. Do you have a burning desire to expand your genuine audience, visibility, and high-quality traffic? Don't be hesitant to select the ClickAdilla platform to generate and operate successful ad campaigns!

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Using an NPK Sensor with Arduino

arduino NPK sensor wiring diagram

Plants need more than water to grow well. They also need nutrients in the soil, especially nitrogen, phosphorus, and potassium. These three nutrients are often shortened to NPK, which is why this type of soil nutrient probe is commonly called an NPK sensor. In this tutorial, you will learn how …

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10 Things All Gamers Must Have the Perfect PC Setup

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