Ideal for electronic engineers, industrial automation designers, and enthusiasts who need voltage matching and signal separation across systems, motor controls, or sensor interfaces. Key features and benefits Compact design with 8/4/2 isolated channels for flexible deployments Individual power indicator per channel for easy status monitoring Configurable input or output terminals to suit diverse wiring needs 10 mA drive capacity enabling driving of modest loads across channels IIC compatibility supports flexible system integration and communication Designed to support control signals from 3.3 V or 5 V to a 3.6–30 V voltage interface Voltage interface and drive specifications Control input voltage: 3.3 V or 5 V Target interface voltage: 3.6–30 V 817 Optocoupler Drive Terminal Signal voltage range: 3.6–24 V Output terminal voltage range: 3.6–30 V Output current: up to 10 mA (depends on the specific load and condition) Total power is constant; voltage and current are inversely proportional Applications and use scenarios Industrial automation and PLC interfacing: isolate and match control signals from 3.3/5 V logic to higher voltage sensor or actuator circuits while protecting the controller I/O. Motor control and drives: provide galvanic isolation between control electronics and motor drive channels, reducing noise and fault propagation. Sensor and data acquisition interfaces: connect multiple sensors operating at different voltage domains to a common controller with isolated channels, improving noise immunity and reliability. Notes on compatibility and performance 8/4/2 isolated channels offer scalable configurations to match project needs Independent power indicators simplify troubleshooting and installation checks IIC compatibility enables integration with systems employing I2C communication while maintaining signal isolation This module provides a compact, reliable solution for voltage level matching and signal separation across multichannel applications, with predictable performance up to 10 mA per channel and support for 3.3/5 V control signals driving 3.6–30 V interfaces.