https://armdevices.net/2013/12/31/excelitas-digipile-proximity-sensor-at-10%c2%b5a-passive-infrared-veritas-detection-group/ New video posted every 8 hours, forever Tue, 31 Dec 2013 03:23:43 +0000 hourly 1 https://wordpress.org/?v=7.0.2