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Relay 8 Channel 5V Module with Optocoupler
Last items in stock
8 Channel Relay Module DC 5V

Equiped with high-current relay, AC250V 10A ; DC30V 10A
5V 8-Channel Relay interface board, and each one needs 50-60mA Driver Current
Be able to control various appliances, and other equipments with large current
Application:Supports all MCU control, The industrial field, PLC control, Smart home control
Indication LED's for Relay output status
Relay 4 Channel 5V Module with Optocoupler
Last items in stock
4 Channel Relay Module DC 5V
Equiped with high-current relay, AC250V 10A ; DC30V 10A
5V 4-Channel Relay interface board, and each one needs 50-60mA Driver Current
Be able to control various appliances, and other equipments with large current
Application:Supports all MCU control, The industrial field, PLC control, Smart home control
Indication LED's for Relay output status
Relay 1 Channel 5V High-Low Trigger Relay
Last items in stock
1 Channel 5V Relay Module Board Shield for Arduino with Optocoupler Support High and Low Level Trigger
Maximum load: AC 250V/10A, DC 30V/10A
SMD optocoupler isolation, strong driving ability, stable performance; trigger current 5mA
The module voltage 5V
The module can be set high or low triggered by jumper
Arduino Nano V3.0 ATmega328P + USB Cable
Out-of-Stock
Arduino Nano V3.0, Nano Board ATmega328P + USB Cable
The Nano can be powered via the Mini-B USB connection, 7-12V unregulated external power supply (pin 30), or 5V regulated external power supply (pin 27). The power source is automatically selected to the highest voltage source.
MQ135 Air Quality Gas Detection Sensor
In-Stock
MQ-135 Air Quality Sensor Hazardous Gas Detection Sensor Module Environmental Measurement

Main chip: LM393,MQ-135 gas sensor
With high sensitivity and good selectivity for air quality, harmful gas detection.
With the DO switch signal (TTL) output and AO analog signal output