Specimen
NE555 + CD4017 Water Flowing Light LED Module DIY Kit MQ-135 Gas Sensor Module For NH3 7kOhm-10kOhm pull-up resistor to VCC
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Description
NE555 + CD4017 Water Flowing Light LED Module DIY Kit MQ 135 Gas Sensor Module For NH3 7kOhm 10kOhm pull up resistor to VCC 7kOhm 10kOhm pull up resistor to VCC Pin 3 NC Not connected (leave floating) Pin 4 GND Ground Project Ideas 120 180g (lightweight aluminium construction) Surface Finish CNC machined educational projects What's your return policy
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