Projects › Projects › Communicating with R303A fingerprint reader module › Hi guys.. i am working on a
Hi guys.. i am working on a fingerprint based electronic voting machine for which i am using r303A as the fingerprint scanner module. but being new to this device i dont even know how to start. if someone could provide me some steps or information on how to use the device, it would be of great help. i have already gone through its manual and till now i have just made physical connections to tx, rx, vcc and grnd pins of the device through a max 232 to pc. i dont know if the device is connected properly or working or not. so please provide me some procedure to check the same also how to perform a particular function on the device as mentioned in the manual. using commands like VfyPwd, SetPwd etc.