GitHub Project of a temperature and humidity sensor with an electronic ink display 1.54 Inch ( GDEW0102T4 ), very low power consumption. The device uses a si7020/21, sht20/21 or HTU20/21D and bme280 sensors. Used MINEW MS50SFA and EBYTE E73 RF Module with nRF5210, nRF52811, nRF52832, nRF52840 chips. Donate me: PayPal: altigraph@yandex.com Yandex Money: 4100140180242 WebMoney: Z722291985192, X133903637383, R494367503336 Bitcoin: bc1q3prwstl54j3a5j58esepfkyrqfjn0ydr8p3vc7