Related content

• DIY Pulse Sensor

  A pulsemeter built with a Raspberry Pi, a digital-to-analog converter, and an optical sensor monitors your heart rate just as well as many far more expensive medical devices.

  more »
• Nerf Target Game

  A cool Nerf gun game for a neighborhood party provides a lesson in Python coding with multiple processors.

  more »
• File Conversion

  If you have old VHS tapes or audio cassettes lying around, the hardware to play these analog formats is becoming more difficult to find. Here's how to convert those old analog treasures to digital format for future enjoyment.

  more »
• Pico Sleep Mode

  The Raspberry Pi Pico's high-performance chip is trimmed for I/O and does not try to save power. However, a few tricks in battery mode can keep it running longer.

  more »
• Easy Video Telephony

  A video telephony system with huge user benefits does not have to be complex. This project starts a phone call with just a single button press and switches channels automatically on a TV.

  more »