arduino - Converting Data Types from integer to char* -

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i working on school project includes list of i2c ids match particular sensors using.

//do, ph, electric conductivity, temperature int channel_ids[] = {97, 99, 100, 102};

the problem trying connect particular api uses different numbers represent channels , character pointer.

// 70 id temperature api trying connect to. char *gtapi_channelid="70"

i want create if statement looks like:

if (gtapi_channelid == "70") {    channel_ids="102"; }

but not know how when channel_ids integer , gtapi_channelid character pointer.

thanks





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