hi all, i working on little project measure , log temperature, humidity , possibly barometric pressure. decided go bme280 had needed in 1 small module. the 1 ordered aliex , 1 of little purple modules size of fingernail , has 4 pins on it. power (vcc , gnd) , i2c (scl , sda). no matter i've tried wont anything. at first connected circuit i'm prototyping see if played nice rtc have on i2c bus. tried several libraries including adafruit , couldn't bme280 work. got in serial monitor text "bme test" , program went no further. same on libraries tried. so next tried uploading i2c scanner sketch see if locate address of bme280 both i2c scanner sketches tried hung , didn't scan. tried disconnecting bme280 , running i2c scanners , found 2 addresses rtc. finally set bme280 standalone , ran i2c scanners , once again hung , didn't scan. in final attempt life out of bme280, tried changing address cutting track between first pad , second , linking second pad t...