PELTIER Effect Circuit
| ITEM | DESCRIPTION |
|---|---|
| 1 | Conductor material A |
| 2 | Hot junction |
| 3 | Conductor material B |
| 4 | Battery |
| 5 | Cold junction |
When the on/off switch is selected on, the LED in the switch illuminates and power is supplied to the thermoelectric cooler. The couples in the thermoelectric cooler then transfer heat from the liner of the cool box to the heatsink, and the fan runs to cool the heatsink.