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(1) OpenBuilds Dual V Wheel - Metal (5mm Bore)
Channels 2
The MQ-8 can detect hydrogen gas concentrations anywhere from 100-10000ppm
All you need is to insert its probe in soil and get the reading using your MCU (Arduino
GSM-GPRS Arduino SIM900A barcode (1) OpenBuilds Dual V WheelGSM GPRS MODULE is an ultra compact and reliable wireless module. It is based on SIM900A 4 Frequency GPRS module. The GSM GPRS Shield is configured and controlled via its UART using simple AT commands. Module have two set power supply interface VCC5 5V power supply, VCC4 interface, 3. 5 4. 5V power supply, optional power on self starting (default) and control start. The MODULE allows you to achieve this via any of the three methods: Short Message