SHOP LEARN BLOG FORUM
login cart[0]
circuitrocks
⌘K
all diy projects 3d printing microcontrollers robotics events news & releases maker community esp32 & esp8266 company life new arrivals featured software, tools, and other services student resources

Tag: cybersecurity

// New arrivals, announcements, and life at Circuitrocks.

How Speakers Can Be Turned Into Microphones
featured software, tools, and other services

How Speakers Can Be Turned Into Microphones

On the surface, speakers play sound and microphones capture it. But older and simpler audio hardware can blur that line. A research project called…

Ann Arandia Apr 22, 2026

shop

  • all products
  • collections
  • kits
  • on sale

learn

  • tutorials
  • arduino
  • raspberry pi
  • esp32

community

  • forum
  • blog
  • events
  • maker community

company

  • about
  • contact
  • shipping
  • github
// © 2026 circuitrocks. all rights reserved.