Single-chip microcomputer heater control box

The utility model discloses a single-chip microcomputer heater control box, relates to the field of control boxes, and provides the following scheme aiming at the problems that an existing single-chip microcomputer digital PLC (programmable logic controller) board is low in manufacturing cost and long in period, greatly prolongs the manufacturing period of the control box in the using process, and is inconvenient to use, low in practicability, not suitable for wide popularization and the like. Comprising a control box body, a main CPU is arranged in the control box body, the main CPU is electrically connected with a first output module and a second output module, the main CPU is further electrically connected with an input module and an operational amplifier, the input module comprises an input buffer and a first optoelectronic isolation unit, and the first optoelectronic isolation unit is connected with the input buffer. According to the single-chip microcomputer heater control box provided by the utility mo