GitHub - opensourcekids/pi-topPULSE: pi-topPULSE Raspberry Pi HAT: automatic device initialisation, Python library for 7x7 LED array & microphone, and I²S audio configuration.
![Pi-top Accessories ACPUWT100000 Pi-top PULSE 7x7 RGB LEG matrix and microphone Retail - Walmart.com - Walmart.com Pi-top Accessories ACPUWT100000 Pi-top PULSE 7x7 RGB LEG matrix and microphone Retail - Walmart.com - Walmart.com](https://i5.walmartimages.com/asr/8c0705a3-736d-4e72-9b0d-7a1863e6c635.60e0a5c0475f04c616ad0d71fdc32d1d.jpeg?odnWidth=612&odnHeight=612&odnBg=ffffff)
Pi-top Accessories ACPUWT100000 Pi-top PULSE 7x7 RGB LEG matrix and microphone Retail - Walmart.com - Walmart.com
![Left: Optimized π (top) and π/2 pulses (bottom) robust against offset... | Download Scientific Diagram Left: Optimized π (top) and π/2 pulses (bottom) robust against offset... | Download Scientific Diagram](https://www.researchgate.net/profile/Dominique-Sugny/publication/327254648/figure/fig3/AS:676369935659008@1538270567500/Left-Optimized-p-top-and-p-2-pulses-bottom-robust-against-offset-or.png)