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The Oxygen sensor in home and medical oxygen generator
For Standards Arduino Mega Features
4GHz RF transceiver
The Coin is 25mm diameter made of PVC
Support I2C interface
Relay Module (8 Channels - 5V) water ph The Oxygen sensor in homeThis relay module consists of 8 relays. Each relay is connected to a current buffer so that you can connect them directly to a Microcontroller or Arduino. Using these relays you can easily control high power devices or appliances using Arduino or microcontrollers, the relay is rated for 230V 10Amps. The Module has 5 LED's, one for power and 4 for indicating relay signals. Specifications Rating: 10A (250V AC or 30 V DC) Input (Control) voltage: 5V DC
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