Following picture shows DIY Chest Strap for heart rate monitoring using AD8232 AFE...
Here is Short Video Showing Working of MY DIY Chest Strap with AD8232 and Copper clad PCB as ECG Probe to monitor heart rate..
I observed that if area of ECG Probe is increased it gives better results...in future I am planning to design these ECG Probes using conductive fabric https://www.sparkfun.com/products/10070 for get better contact and its easy to wear and easy to fabricate and assamble...
Also motion artifacts are not critical with compare to peak of QRS Complex signal with my current setup so only thresholding is enough to detect heart beat
Also I Have almost done with hardware part I will share my working hardware soon..