Circuit Cellar 381 April 2022 (PDF)

Issue #381
April 2022
Drone Development Kits

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