High quality relay used 1-Channel Relay interface board Equipped with high-current relay : 12A @ 125V or 10AA @ 250V A Standard interface that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM)
Onboard Module: ESP8266 wifi module; in AP mode it can connect with 5 Clients at the same time Operating Way: cellphone carried on wifi module; cellphone and wifi module carried on the same router, and use the APP to control relay Transmission Distance : 400m (max) Relay : 5V,10A/250V AC 10A/30V DC Baud Rate: 9600. Diode effusion protection; Short response time
5V 4-Channel Relay interface board and each one needs 15-20mA Driver Current. Equipped with high-current relay, AC250V 10A; DC30V 10A. Standard interface that can be controlled directly by microcontroller (for Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic). Indication LED’s for Relay output status.
Low Level Trigger Relay Module Two separate LEDs for On/Off indication of the Relay. Triggering input voltage 3.3V – 5V Two separate LEDs for On/Off indication of the Relay Triggering input voltage 3.3V – 5V 4) Back EMF protection Back EMF protection 2 LEDs to indicate when relays are ON. Works with logic level signals from 3.3V or 5V devices…
4-Channel Relay interface board and each one needs 15-20mA Driver Current. Both controlled by 12V and 5V input Voltage. Equipped with high-current relay, AC250V 10A ; DC30V 10A. Standard interface that can be controlled directly by microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic active low). Indication LED’s for Relay output status.
Channel: 8 channel Relay Operating Voltage: 5V One normally closed contact and one normally open contact Triode drive, increasing relay coil High impedance controller pin Pull-down circuit for the avoidance of malfunction Power supply indicator and Control indicator lamp Power supply and relay instructions, lit, the disconnect is off;
