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Issue #368 March 2021 Chips for the Energy Market 6: Understanding LIN Bus: Car TPMS Tinkering, By Scott Weber 12: Intro to Robot Operating System (ROS) (Part 1): ROS Framework and Concepts, By Raul Alvarez-Torrico 20: Build a Rubik’s-Cube-Solving Robot: Using a PIC32 MCU, By James Connelly and Shivansh Gupta 26: Build an Urban Air Quality Monitoring System: Using IoT Technologies, By Dhairya A. Parikh 35: Compiling Old Kernels Under Today's GNU/Linux: Docker Smooths the Way, By Kris Bahnsen 38: ICs Power Up Tech for the Energy Market: Electrification Ramps Up, By Jeff Child 46: Quick-Turn PCB Prototyping: Speedy Services at the Ready, By Jeff Child 52: DATASHEET: Panel PCs: Trend Leans App-Specific, By Jeff Child 56: PICKING UP MIXED SIGNALS: Using ESP-NOW Protocol (Part 1): A Low-Power Wi-Fi Alternative, By Brian Millier 64: FROM THE BENCH: Control and Monitor Valves Remotely: High-Tech Plumbing with 8-bit MCU, By Jeff Bachiochi 70: EMBEDDED SYSTEM ESSENTIALS: Voltage Fault Injection on a Modern RPi SBC: Glitching Raspberry Pi 3B+, By Colin O’Flynn 75: Product News 78: Test Your EQ 79: The Future of DRAM for the IoT: Why HyperRAM Works Best: for IoT Designs, By Hsiu-min Lin

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