https://norvi.lk/norvi-changin....g-iot-one-device-at-

0 - 10V Arduino Device | 4 - 20mA Arduino Device | norvi.lk
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0 - 10V Arduino Device | 4 - 20mA Arduino Device | norvi.lk

Changing IOT One Device At A Time (4 - 20mA, 0 - 10V DC Analog inputs and Outputs). Programmable controllers with flexibility and open source software.