Will do, would be handy to see if they agree 
I’m getting this from 3 of them in serial monitor, constant immediate boot loops, realised after i had the batteries still connected when i was soldering them 
have i fried them?
13:58:36.378 -> 3fca1a70: 0xa5a5a5a5 0xa5a5a5a5 0xa5a5a5a5 0xa5a5a5a5 0xa5a5a5a5 0xa5a5a5a5 0xa5a5a5a5 0xa5a5a5a5
13:58:36.378 -> 3fca1a90: 0xa5a5a5a5 0xa5a5a5a5 0xa5a5a5a5 0xa5a5a5a5 0xa5a5a5a5 0xa5a5a5a5 0xa5a5a5a5 0xa5a5a5a5
13:58:36.521 ->
13:58:36.521 ->
13:58:36.521 ->
13:58:36.521 -> ELF file SHA256: f8ee44675
13:58:36.521 ->
13:58:36.521 -> Rebooting...
13:58:36.521 -> ESP-ROM:esp32c3-api1-20210207
13:58:36.521 -> Build:Feb 7 2021
13:58:36.568 -> rst:0xc (RTC_SW_CPU_RST),boot:0x8 (SPI_FAST_FLASH_BOOT)
13:58:36.568 -> Saved PC:0x40381a5c
13:58:36.568 -> SPIWP:0xee
13:58:36.568 -> mode:DIO, clock div:1
13:58:36.568 -> load:0x3fcd5820,len:0x1144
13:58:36.568 -> load:0x403cc710,len:0xad8
13:58:36.568 -> load:0x403ce710,len:0x2f80
13:58:36.568 -> entry 0x403cc710