Circuit Cellar 359 June 2020 (PDF)

Industrial IoT System Solutions 

• 6: Build a Multi-Purpose GPS Tracker: BLE MCU-Based Design, By Carlo Tauraso
• 14: Retro-Computing Takes to the Cloud: Old Meets New, By Todd Wade
• 22: Build a Robotic S'more Maker: Using Computer Vision and RPi,
  By Katie Bradford and Jared Gallina
• 30: 4-20mA Transmitter Test Board Project: Programmable 2-Wire 4-20mA Design, By Mandar Bagul
• 40: Systems Focus Tops Industrial IoT Trends: Factories and Frameworks,
  By Jeff Child
• 48: Sensor Advances Push Performance Barriers: Meeting IoT-Era Demands,
  By Jeff Child
• 53: DATASHEET: AC-DC Power Supplies: Tailored Solutions, By Jeff Child
• 56: EMBEDDED IN THIN SLICES: LoRa (Part 5): A MachineQ Example, 
  By Bob Japenga
• 60: THE DARKER SIDE: A Look at Homemade TCXOs (Part 1): Crystal Crafting,
  By Robert Lacoste
• 67: FROM THE BENCH: Measuring Soil Moisture with ADCs: Capacitors as Garden Tools, By Jeff Bachiochi
• 74: Product News
• 78: Test Your EQ
• 79: The Future of Smart City Lighting: Smart Poles: A Thermal Management Challenge, By Tom Gregory

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