EEVblog

Help beat Congenital Muscular Dystrophy with their Pozible campaign (Pozible campaign live tomorrow) A look at the FLIR TG-165 visual spot thermometer and (unfair) comparison with the FLIR E8 thermal camera. High density Mitra 125 16KB magnetic core ferrite memory from the 1970’s Eric LPRS low power radio modules Forum …

Dave shows how to upgrade an Agilent/Keysight 6643A/6642A/6641A system dc power supply to have front panel binding posts. Sense lines are added to improve the high current accuracy. Operation Manual HERE Service Manual + Schematic HERE Auction Score video HERE Forum HERE Podcast: Download

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 Forum HERE Podcast: Download

Dave plays around with an energy harvesting kit to see how much power he can get out of a Peltier device used as a Seeback effect module to generate power from temperature differentials. Bonus white board tutorial on how Peltier devices work as heat pumps. Wuerth Elektronik Energy Harvesting Kit …

Teardown Tuesday Inside a 1973 vintage programmable scientific desktop calculator. The P2102 is a 1K x 1 bit SRAM, so looks like a 4 bit processor architecture. Forum: http://www.eevblog.com/forum/blog/eevblog-663-compucorp-322g-calculator-teardown/ Teardown photos: Podcast: Download