How to parse bits in bytes


I have got USB-RS-485 dongle and Modbus-RTU device
I read protocol frame but I cant parse it cause I dont know in what language I can do it(read value of separate bits or group of bits)
For example in C I can parse via & and !& but in mneminic node-red I dont undesrant how to do it

Please help!

Don't know if it will help but there is a node node-red-contrib-bitunloader that may help

Thanks, didnt know that, can you give some example?, please

Haven't used it in any of my flows but there are several examples. Load the node go to import , examples and have fun

I think node-red-contrib-buffer-parser will help unpack the payload as long as you have the spec for it

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