V-USB with ATtiny45 / ATtiny85 without a crystal | Code and Life
ATmega/ATtiny Microcontroller Programming Shield for Arduino As ISP R2 - #4 - Legacy Personal Blogs - Personal Blogs - element14 Community
ATtiny45 | Microchip Technology
GitHub - microchip-pic-avr-examples/attiny817-rtc-internal-frequency-calibration-studio: This application uses RTC, 32.768 kHz crystal, external clock, Event System and TCD to measure the accuracy of the external crystal.
ATtiny Programmer: Save 2k Flash with SPI Programming.
Open a Project in Atmel Studio, Compile and Upload Code | Details | Hackaday.io
ATtiny45 Microcontroller Datasheet pdf - AVR Microcontroller. Equivalent, Catalog