ESP8266 WiFi 5V 2 Channel Relay Module IOT Smart Home Remote Control Switch Android Phone APP Control Transmission Distance 100m
The 5V dual WiFi relay module uses ESP-01 as the WiFi module and is compatible with 8 bit MCU chips. Only a simple configuration process can realize the wireless control of the 2 way relay by using the mobile phone APP in ...
2 Bit 12V Relay Module with Optocoupler Isolation Support High and Low Level Trigger Dual Relay Module
It is a 2-Bit 12V relay module. It is suitable for various platforms such as 51/AVR/AVR/ARM, and can control various household appliances and high current loads.
1).The contact part of the...
Dual Modbus Relay Module 2Bit Modbus-RTU Switch Signal Input Output RS485 TTL Controller
LC 2 channel Modbus relay module equipped with mature and stable 8-bit MCU and RS485 level communication chip,adopt standard MODBUS RTU format RS485 communication protocol. It can realize 2bit input signal detec...
LM393 DC 12V 2Bit Voltage Comparator Relay Control Circuit Module
It is a DC 12V 2Bit Voltage Comparator Module. It controls the output state of the relay by comparing the two voltages.
1>.Settable reference voltage