The MQ131 Gas Sensor Module is manufactured with materials that are sensitive to ozone. In the presence of the ozone gas, the sensor’s conductivity is more higher along with the gas concentration rising.
The PL2303HX is a USB to UART TTL (Transistor-Transistor Logic) converter module that allows communication between a computer or other USB-equipped device and a UART device through a USB port.
The ADC0820CCN is 8-bit MOS A/D Converter offers a 1.5μs conversion time while dissipating a maximum 75mW of power. The half-flash technique consists of 31comparators, a most significant 4-bit ADC and a least significant 4-Bit ADC.
The YX850 Power Failure Automatic Switching Standby Battery Lithium Battery Module DC5V-48V Emergency Converter. It is an automatic switching module. When the battery is dead or there is a problem with the battery, it is powered by the power supply.