OCTOPUS 1Channel Relay is a single relay electronic brick，and its design is based on the OCTOPUS series products. Adopting an ultra-small, high-quality HUIKE relay, OCTOPUS 1Channel Relay can control various appliances and load high-current, with opto-isolation. Secure and dependable, lovers of electronics DIY commonly use it as an accessory module. The module has a 5V high level trigger, and the trigger current is about 5mA, so almost all of MCU can directly drive it, pull-up not needed.
