Bonjour.
I'm sorry but I need to write in english, I have follow the example, wired the circuit exactly as I have seen on example picture picture (same temperature sensors, same wiring, pls. check mi circuit on attached photo), then installed RTClib (suggested version), then upload the example code (copy and paste) to my arduino2009 ,
well everithing seem to be OK but Serial Monitor show the follow message :
Initialisation de la SD card...Carte fausse ou absente
I have try with one SD card 8MB and one SD card 4Gb both two formatter FAT 32bit
....anyway same error...
How I have to do ?
Thank you for reply.