EEVblog – Podcast

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

In this tutorial Dave demonstrates the seldom used and often little understood mathematical integration function available on your modern digital oscilloscope. And demonstrates a practical example use for it in accurately measuring the total power consumption of a microcontroller that sleeps and then wakes up and does some processing before …

Mailbag Monday Negative Feedback T-Shirts NOTE: Black shirt coming shortly, bug in Teespring site… 555 Timer T-Shirt Warranty VOID T-Shirt Spoliers & Links: Programmable Constant Current Dummy Load Geppetto Electronics SMD Prototype Board The RoBoard Robot Development Board LED Strip Driver Board Madworm projects on Tindie Conrad Retro Radio Kits …

Some experiments with the Electrocardiogram (ECG) circuitry in the St Jude Pacemaker Monitor Heart Rate Analyser. Forum HERE Podcast: Download