មគ្គុទ្ទេសក៍អ្នកប្រើប្រាស់ថ្នាំងឧបករណ៍ចាប់សញ្ញា Dragino SDI-12-NB NB-IoT
Dragino SDI-12-NB NB-IoT Sensor Node Introduction What is NB-IoT Analog Sensor The Dragino SDI-12-NB is a NB-IoT Analog Sensor for Internet of Things solution. SDI-12-NB has 5v and 12v output, 4~20mA, 0~30v input interface to power and get value from…