https://stream.echo6.co/videos/watch/f33143ed-a9ec-4cf3-9c7e-67f80d3a287c Teardown Tuesday. Inside a Polar Wearlink chest strap fitness heart rate monitor monitor transmitter. Also a look at and some attempted decoding of the signal with the Tektronix MDO3000 oscilloscope. Polar RMCM-01 Receiver Module Datasheet: https://www.sparkfun.com/datasheets/Wireless/General/RMCM01.pdf Forum: http://www.eevblog.com/forum/blog/eevblog-665-polar-wearlink-heart-rate-transmitter-teardown/ EEVblog Main Web Site: http://www.eevblog.com The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2 EEVblog Amazon Store (Dave gets a cut): http://astore.amazon.com/eevblogstore-20 Donations: http://www.eevblog.com/donations/ Projects: http://www.eevblog.com/projects/ Electronics Info Wiki: http://www.eevblog.com/wiki/ Sun, 17 May 2026 04:38:20 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://stream.echo6.co https://stream.echo6.co/client/assets/images/icons/icon-512x512.png https://stream.echo6.co/videos/watch/f33143ed-a9ec-4cf3-9c7e-67f80d3a287c All rights reserved, unless otherwise specified in the terms specified at https://stream.echo6.co/about and potential licenses granted by each content's rightholder.