Stacking 5 Peltier Modules, and Reached -90℃

Stacked Peltier devices are known to decrease more temperature than single stage. Let's see the lowest possible temperature I can achieve using Peltier devices. Parts link(Affiliate link) Peltier module https://s.click.aliexpress.com/e/_onP... Previous video about Peltier devices →    • 驚異のマイナス90℃達成！5段ペルチェ素子で冷却限界に挑戦！   If you’d like to get something from AliExpress, it would really help me out if you used this link! I’ll use any affiliate earnings to help keep my projects going. https://s.click.aliexpress.com/e/_c3W... ◤Contents◢ 00:00 Try Cryogenic Cooling Using Peltier Devices 00:38 Basics of Peltier Devices 02:06 Advantages of Stacking Peltier Devices 05:10 Perform Experiments Using Stacked Peltier Devices 06:50 Preparation to Achieve Lowest Temperature 08:21 See How Low Temperature Gets After Preparation 10:35 Use Peltier Devices for Low Temperature Experiments 12:54 Summary 14:09 Combine with Ready-made Module to Lower Temperature (Minus 90°C Accomplished!) ■Business inquiries denkiotaku@ichiken-engineering.com   / ichiken_make