Quantity   Component name
1 × HP ESP-120 50V 57A (2950W) Server Supply ~30 USD from ebay, second hand.
1 × Arduino
1 × Graphite crucible
1 × 25m stainless steel wire About 2mm in diameter
2 × Logic Level Power N-MOSFET csd18532kcs from Texas-Instruments.
1 × 2mOhm Shunt Resistor
1 × OP amp OPA344, AD817 or similar
1 × Heatsink For the MOSFETS
1 × Some wires