The INA219 is a voltage, current and power measurement device. A few important maxima, see datasheet, chapter 7, esp 7.5 Datasheet states it supports 1 KHz .. 2.56 MHz. Note: higher speeds and longer ...
The DHT20 is a humidity and temperature sensor. The sensor has a fixed address of 0x38. It is not known if the address can be changed. The library must be initiated by calling the begin() function.