Electronics for Everyone 10/2018

The editor-in-chief recommends

An unusual spectrum analyzer. The system is used for graphical visualization of audio signals. It uses the most popular character display, "small" microcontroller and simple analog circuits. For direct use and as inspiration.

Kettle educational ... Any topics "around the site" arouse vivid discussions about the features of modern products containing electronics. This time it is not about discussions, it is about whether it is possible and whether it is worth to repair an electric kettle, damaged after a violent thunderstorm.

Maratronik P303 power supply - revitalization Old, but very solidly made laboratory equipment may prove useful and attractive also in the studio of modern electronics. Sometimes it is enough to vacuum the equipment, but more often a more serious repair or modification is needed.

Arduino: Software serial link, CO2 and ASCII sensor In the eighth episode of the Arduino course, we use SoftwareSerial to communicate with a modern carbon dioxide sensor. We also explore the secrets of ASCII code.

In the issue

• AVT projects
  • An unusual spectrum analyzer
  • Low-level thermometer, part 2
• Readers' Forum
  • Meratronik P303 power supply - revitalization ...
  • Educational kettle
  • School of Constructors. Main task 272. Suggest a method of controlling an electric actuator that lifts the hatch to the basement
  • Solution to the main task 267. Suggest the use of any LED strips or other light sources using LED diodes
  • The second class of the Constructors' School What is not here?
  • Third class of the Constructors' School Policz 272, 267
• Various items
  • Will computers be smarter than us?
  • Around Arduino. Subtitles and other twists, part 1
  • Arduino course, episode 8
  • Course C - lesson 28
  • Transistors: history and present, part 3
  • DC motors, part 5
  • Cooling and heat sinks. Pulse work, part 3
  • KiCad5
  • Lamp systems - the eye of an old practitioner, part 2
  • Workshop patents. A magnetic crocodile
• Fixed boxes
  • News, curiosities
  • post office
  • Advice box
  • Subscription
  • Bookstore AVT
  • Miniankieta
  • Advertising
  • AVT trade offer
• competitions
  • How it's working?
  • What is missing here?
  • Crossword