thank you @wlad01...if anyone from Micropelt would be interested in presenting this technology at emerging technologies conference in Vancouver in July (www.cmoset.com) pls let me know, firstname.lastname@example.org
It depends on how large (how many peltier cells are connected) as each just generate 250uV and current is limited due to form factor. I've seen some people are using one of Micropelt product for a temperature gradient of 2C but it is in 0.1mW range.
What are the engineering and design challenges in creating successful IoT devices? These devices are usually small, resource-constrained electronics designed to sense, collect, send, and/or interpret data. Some of the devices need to be smart enough to act upon data in real time, 24/7. Specifically the guests will discuss sensors, security, and lessons from IoT deployments.