hardware schematic: 2: output -> to one of the two input pins on L298N 4: output -> to the other input pin on L298N A5 : to SCL pin on BH1750 light sensor /or DS3231 A4 : to SDA pin on BH1750 light ...

If you have ever wanted to build your very own binary Nixie Clock you may be interested to know that a kit is available with optional housing and Arduino board priced from $69. “All SMD components are ...