| user: | teuobk |
| created: | July 14, 2008 |
| karma: | 1.9k |
| about: | Hi! Embedded development, among other things. Blog: https://www.keacher.com/ Email: jeff.keacheratgmaildotcom |
| 1. | Homemade Copper Oxide Thermoelectric Generator Can Light an LED (2011)(sparkbangbuzz.com) |
| 2. | |
| 3. | Energy-Harvesting Electronic Holiday Card 2024(keacher.com) |
| 4. | The Secret Feature in Every LED [video](youtube.com) |