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It Includes a switch for turning the integrated 3xAAA battery supply on and off and also a buzzer for sound
1x Alligator Clip to Female Jumper Wire - 10 Pack
The Makey Makey Classic has an option if you ever need to change the default keys
Durable and compatible with most LCD printers on the market
Elecfreaks Octopus MG811 CO2 Gas Sensor gift_ideas It Includes a switch forOctopus MG811 CO2 Gas Sensor is a CO2 electronic brick in our OCTOPUS series, the basic design for the outlook, PCB fixing holes and connections are the same with them. The higher the CO2 concentration is, the lower the output voltage would be. The users can read the CO2 value easily after checking our brochures and coding samples. The CO2 probe is made with industrial grade materials which are highly allergic to CO2 and are not affected by alcohol
