Yes, you can modify an Intel Pentium 4 to function as a hand warmer by adding a heating element and insulation.
Yes, you can modify an Intel Pentium 4 to function as a hand warmer by adding a heating element and insulation.
Experimentation could help. Using a USB power adapter, you might randomly connect the pins and see if it heats up—though it won’t be ideal. It would only work if the adapter delivers sufficient current at 5 volts.