The LDR must be soldered in a way that it can comfortably ... I opted for Digispark just because of its plethora of features like USB programming interface, on-board voltage regulator, and Arduino IDE ...

This solar tracker system uses the Arduino UNO board, a servomotor, 2 LDRs and 2 resistors to rotate ... In the setup() function we set the pins were the LDR are connected as INPUTs and position the ...