The series resistor R1 sets the operating current (and hence the brightness level) of IRED1. The infrared receiver IR1 is only sensitive to light modulated with a specific (38kHz) ... 0 comments on “ ...

The INA219 chip at the core of the dc current sensor module is a current shunt and power monitor with an I 2 C or SMBUS compatible interface. It features 16 programmable addresses. The chip uses a ...