Found in a 1980s documentation, this circuit works with a 12V relay. The horn is the boat's own.
MCP19124/5 Contains Independent Voltage and Current Control Loops Plus a Full Suite of...
This circuit was found in a 1980s documentation. The operational amplifier is of a common type at the...
This simulated circuit uses a 741 (Operational Amplifier), but other operational amplifiers can be...