LTC miner Goldshell LT5 Pro control board The LT5 pro control board is used to repair and replace the damaged Goldshell LT5 pro control board, helping the miner to get back into operation. GoldShell LT5Pro miner uses the Scrypt algorithm for mining Litecoin and Dogecoin. Using the replacement control board to repair the mining rig is simple, fast, and convenient, saving maintenance time and increasing mining revenue.