I have a programmed AtMega328P removed from a UNO board and in good working condition. The pcb is done and all basics have been checked. Trying to download sketch from IDE using a FTDI 232 - USB (5V). Power supply to pin 7 reads 5.1V with reference to pin 8. Reset pin 1 is pulled up to Vcc via 1…

Standalone AtMega328P - Programming issues

CrossRoads October 4, 2016, 3:15am 3

Do you have AVCC connected to Vcc, and with 0.1uF caps on each to Gnd, also both Gnd pins connected?

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