Learn · Build · Automate
Engineering content built like a control panel:
tested, labeled, working.
Practical tutorials in PLC programming, industrial automation, mechatronics, and embedded systems — written by an engineer who builds the systems before he writes about them.
Four disciplines, one workflow.
Every tutorial sits inside a category built around how automation systems actually get designed and commissioned. Click a card to browse that category.
Mechatronics & Robotics
Sensors, actuators, and motion control for real mechanical systems.
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PLC Programming
Ladder logic, FBD, and structured text across all major PLC platforms.
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Industrial Automation
SCADA, HMI design, IIoT integration, and plant networking.
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Embedded & Power Systems
Microcontrollers, gate drives, and power electronics fundamentals.
Learn more→The Modbus RTU / RS-485 cheat sheet engineers actually keep open.
One page. Register types, function codes, and wiring notes for RS-485 field setups. Sent straight to your inbox, plus one new tutorial a week.
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Deploying AI at the edge using TinyML enables real-time predictions on microcontrollers for maintenance, gesture control, and anomaly detection. As...
In PLC programming, the control of time is an essential factor when it comes to timely control in automation. Learn...
Learn how Variable Frequency Drives (VFDs) operate, configure speed and torque settings, troubleshoot common issues, and apply them to real-world...
NVIDIA has launched Isaac GR00T N1, the world’s first open foundation model aimed at accelerating the development of general-purpose humanoid...
Learn how on‑delay timers (TON) work in PLC ladder logic, how to set presets and accumulated values, and explore real‑world...
Industry 4.0 is revolutionizing manufacturing, and mechatronics is at the heart of this transformation. From robotic automation to smart sensors...
Ladder Logic remains the most widely used programming language for industrial automation. In this guide, we’ll walk you through the...
As factories and industrial systems become increasingly connected, cybersecurity threats are on the rise. This article covers key Industrial IoT...
Industrial Manipulators Are one of the essentials of pick-and-place operations in the industrial setup providing an easy and efficient way...
Bridging engineering theory and the factory floor.
Bob Teaches Tech is built and written by Bob Odhiambo, a mechatronics and automation specialist with hands-on experience programming and commissioning PLCs across multiple platforms, along with industrial communication protocols and variable frequency drives.
Every tutorial here is tested against real hardware before it's published — not adapted from a datasheet. Bob also contributes technical writing to EEPower and Control.com.
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