Recheck all pin used. Some pin from the latest board cant be use for I/O. My board use D6, D7, Rx and Tx as output. I change all to D0, D1, D2 and D3. Now my project works fine.
Recheck all pin used. Some pin from the latest board cant be use for I/O. My board use D6, D7, Rx and Tx as output. I change all to D0, D1, D2 and D3. Now my project works fine.