Error message below. Installing the drivers for the USBtiny with Zadig was successful. I tried a different ATtiny85 and I keep getting this. It appears AVRdude can’t use my programmer. Does that make sense?
Arduino: 1.8.19 (Windows 10), Board: “ATtiny25/45/85 (No bootloader), Enabled, CPU (CPU frequency), ATtiny85, 8 MHz (internal), EEPROM retained, B.O.D. Disabled (saves power), Enabled”
C:\Users\17073\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino18/bin/avrdude -CC:\Users\17073\AppData\Local\Arduino15\packages\ATTinyCore\hardware\avr\1.5.2/avrdude.conf -v -pattiny85 -cusbtiny -B0.3 -e -Uefuse:w:0xFF:m -Uhfuse:w:0b11010111:m -Ulfuse:w:0xE2:m -Uflash:w:C:\Users\17073\AppData\Local\Arduino15\packages\ATTinyCore\hardware\avr\1.5.2/bootloaders/empty/empty_all.hex:i
avrdude: Version 6.3-20201216
Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/
Copyright (c) 2007-2014 Joerg Wunsch
System wide configuration file is “C:\Users\17073\AppData\Local\Arduino15\packages\ATTinyCore\hardware\avr\1.5.2/avrdude.conf”
Using Port : usb
Using Programmer : usbtiny
Setting bit clk period : 0.3
avrdude: usbdev_open(): Found USBtinyISP, bus:device: bus-0:\.\libusb0-0001–0x1781-0x0c9f
AVR Part : ATtiny85
Chip Erase delay : 400000 us
PAGEL : P00
BS2 : P00
RESET disposition : possible i/o
RETRY pulse : SCK
serial program mode : yes
parallel program mode : yes
Timeout : 200
StabDelay : 100
CmdexeDelay : 25
SyncLoops : 32
ByteDelay : 0
PollIndex : 3
PollValue : 0x53
Memory Detail :
Block Poll Page Polled
Memory Type Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack
eeprom 65 12 4 0 no 512 4 0 4000 4500 0xff 0xff
flash 65 12 32 0 yes 8192 64 128 30000 30000 0xff 0xff
signature 0 0 0 0 no 3 0 0 0 0 0x00 0x00
lock 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00
lfuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00
hfuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00
efuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00
calibration 0 0 0 0 no 2 0 0 0 0 0x00 0x00
Programmer Type : USBtiny
Description : USBtiny simple USB programmer, http://www.ladyada.net/make/usbtinyisp/
avrdude: programmer operation not supported
avrdude: Setting SCK period to 1 usec
avrdude: initialization failed, rc=-1
Double check connections and try again, or use -F to override
this check.
avrdude done. Thank you.
Error while burning bootloader.