SparkFun Forums

[siva bharani]

Hello,
When i am reading EPC or USER DATA ,i was able to print the output in hexadecimal,octa,binary,decimal.But I can't able to print alphabet characters in output.Can anyone help me with above issue.

[paulvha]

A Serial.print(char) will show the ASCII sign. e.g. if char c = 0x30, Serial.print(c) will show 0 (zero) . Maybe you need to do typecasting. The data you receive from the driver is 'uint8_t', If uint8_t i = 0x30, so you need to use Serial.print((char) i)