Circuit Cellar 367 February 2021 (PDF)

Issue #367
February 2021
Advances in Digital Signage 

• 6: Multi-Sensor Device Measures Water Pollution: The UnifiedWater Project,
  By Andrei Florian
• 18: Giga-Bug: A Retro Game Revamp: Using Raspberry Pi and Python,
  By Chris Cantrell
• 24: Smart Gardening System Uses Raspberry Pi: The GardenPi Project,
  By Richard Sears
• 38: DDR4 DRAM 101: How it Works, By Nishant Mittal
• 42: Compact, Reliable Solutions Feed Digital Signage Needs: Small Systems for Big Displays, By Jeff Child
• 49: MCU Software Solutions Evolve for Today’s Needs: Support for AI, IoT and More, By Jeff Child
• 54: DATASHEET: Power/Battery Management ICs: Perfecting Power, By Jeff Child
• 58: EMBEDDED IN THIN SLICES: FreeRTOS (Part 2): FreeRTOS Tasks,
  By Bob Japenga
• 62: THE DARKER SIDE: Understanding Proper PCB Design (Part 1): 4-Layer Board Design, By Robert Lacoste
• 70: FROM THE BENCH: Crafting a Custom Dictionary: Using Liberty BASIC,
  By Jeff Bachiochi
• 76: Product News
• 78: Test Your EQ
• 79: The Future of Mesh Networking: Wireless Networks for Tomorrow’s Safety Challenges, By Angela Quinn
  
  Circuit Cellar is a monthly magazine (available in print and digital) covering the topics of embedded hardware, embedded software, electrical engineering, and computer applications. More information available at circuitcellar.com