Archivio tag: rs485 ethernet adapter

Advantages of RS485 to LoRaWAN data collector

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The RS485-to-LoRaWAN data collector is a data collector whose uplink wireless interface adopts the standard LoRaWAN protocol and the downlink interface adopts the RS485 interface. It can transparently transmit the ModBus protocol to the server through the LoRaWAN wireless network to realize the wireless transmission of industrial field control signals. . The E78-DTU (470LN22) developed by Ebyte is a data … Continua a leggere→

How to use virtual short and virtual break to troubleshoot the cause of circuit abnormality?

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Operational amplifiers are very important components in analog circuits. They can form various circuits such as amplification, addition, subtraction, and conversion, and are widely used in circuit design. So, if the circuit is abnormal, how should we check whether it is the cause of the damage to the operational amplifier? That is to use the “virtual short” and “virtual break” … Continua a leggere→