In this issue

6: Getting Started with RTOSes: RTOS on an MCU, By Stuart Ball
12: Capacitive Touch Keyboard for Synthesizers: The LMS101 Project, By Liam Brinston, Michael Brown and Silas Jantzen
20: Antique Clock Accuracy Project: Reloaded: PSoC4 MCU Back in Action, By Aubrey Kagan
28: Build a Long-Term DAQ System (Part 2): The Software Design, By Anuj Justus
40: Drone Development Kits Add Intelligence, Features: Skyward Solutions, By Jeff Child
46: Raspberry Pi Add-On Ecosystem Grows: RPi HAT Roundup, By Jeff Child
52: DATASHEET: 32-bit Microcontrollers: Embedded Workhorse, By Jeff Child
55: THE DARKER SIDE: The Darker Side: The 100th!: 15 Years, Fearless and Fun, By Robert Lacoste
60: EMBEDDED IN THIN SLICES: Debugging Embedded: Real-Time Systems (Part 1): The Bugs, By Bob Japenga
66: FROM THE BENCH: Using I2S to Transfer Digital Data (Part 2): The Output Side, By Jeff Bachiochi
74: Product News
78: Test Your EQ
79: The Future of Real-Time in Databases: Embedded Databases in Real-Time Systems, By Steve Graves

Circuit Cellar Magazine Description:

Circuit Cellar magazine features engineering tutorials, detailed microcontroller-based projects, and embedded systems industry news for professional electrical engineers, EE/ECE academics, and highly skilled electronics enthusiasts. Since 1988, Circuit Cellar has featured projects and tutorials from the world's top engineers on subjects such as embedded development (e.g., prototyping and programming), signal processing (e.g., DSP chips and signal conditioning), programmable logic (e.g., FPGA projects), sensor systems (e.g., smart sensors and MEMS), 'Net-connected devices (e.g., IoT projects and protocol stacks), robotics (e.g., robotic systems and proximity sensing), and much more. Circuit Cellar is the ultimate resource for all of your electrical engineering-related needs.