This is an excellent 4-channel analogue to RS485 (Modbus RTU) adaptor. It requires separate power at 8-25v. See software call description here https://ipc2u.com/articles/knowledge-base/modbus-rtu-made-simple-with-detailed-descriptions-and-examples/

This is an excellent 4-channel analogue to RS485 (Modbus RTU) adaptor. It requires separate power at 8-25v. See software call description here https://ipc2u.com/articles/knowledge-base/modbus-rtu-made-simple-with-detailed-descriptions-and-examples/

This is an excellent 4-channel analogue to RS485 (Modbus RTU) adaptor. It requires separate power at 8-25v. See software call description here https://ipc2u.com/articles/knowledge-base/modbus-rtu-made-simple-with-detailed-descriptions-and-examples/

good value for the price, resolution of the ADC 1024 I guess (10 bit) not very high but absolutely okay for the money!

good value for the price, resolution of the ADC 1024 I guess (10 bit) not very high but absolutely okay for the money!

good value for the price, resolution of the ADC 1024 I guess (10 bit) not very high but absolutely okay for the money!