Serial TTL 4 Channel Relay Module Control ASR-M08-A Voice Board Module

الوصف

Built-in 3.3V to 5V serial converter circuit, input and output compatible with 3.3V and 5V level. Built-in over-current protection, anti-reverse protection. with normally open, normally closed contact. 4-channel 250V 10A high current relay (charged voltage of 0-250V can be), driving ability, with LED indicator. Support cascade function (a four-channel, two-channel connected together to become eight, and so on, up to 24 channels.) Built-in 3.3V regulated output, available for 3.3V systems. Cptional Bluetooth wireless serial or RF wireless serial module access, wireless control to achieve PC or mobile phone. Optional OUR ASR M08-A speech recognition module access, voice recognition control. Size: 66mm*66mm*20mm (L*W*H) Package included: 1pcs Serial TTL 4 Channel Relay Control Board for ASR-M08-A Voice Recognition Module