Solar Powered Proximity Sensor
By: Figueroa, NicolásMatallana, MarceloNoboa, RafaelPeña, Jheraldo Get the materials 7 220ohm resistors7 different colored leds1 Solar Panel1 Rehcargable battery1 Arduino Uno1 HC-SR041 Buzzer Assembling Time! Connect the cables to the Arduino Uno (as shown in the image).Then weld the cables to...By: rafael.noboa
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