kittennbfive

gr-nrf24-sniffer. a tool for receiving and decoding traffic of nRF24L01(+) modules using GNU Radio and a custom decoder written in C

5A-75B-tools. a collection of tools made while messing with the Colorlight 5A-75B V7.0 and some notes using ECP5 with Yosys

373-v4-tools. these are more or less (un)finished tools made while looking at the LKV373A V4 (and V4 only!)

avr-i2s. Adding an I2S-Mic to an Atmega328P

free-373. A beginning of a free and open source firmware for LKV373 V2. To be improved.

dsl2sigrok. a converter from DSView .dsl to Sigrok/Pulseview .sr

kittenFS32. a small (somewhat), simple (i hope) (and restrictive) implementation of FAT32 for microcontrollers

869log. A cheap PC interface for Brymen BM869s multimeters (hardware+software)

curious-kitten-JTAG. a hardware tool to help finding undocumented JTAG-pinouts

sr-spi-decode. small and fast SPI-decoder for Sigrok-captures, written in C

lkv373-tools. some random tools made while trying to reverse the lkv373-firmware

ch340g-eeprom-hack. add an unique identifier (ASCII-string) to the cheap CH340G USB-to-UART modules

mega328-pdm-audio. make an ATmega328P play audio by (ab)using the USART-peripheral for pulse-density-modulation

CH340G-GPIO-mod. Using a cheap USB to serial adapter as a (small) GPIO module

avr-sd-interface. code for low-level access to an SD-card using an AVR, compatible with kittenFS32

Brother-status-tool. A free and open source tool for reading status data from some Brother printers via USB

simavr-spi-dispatcher. A helper for simavr to allow several devices on the same SPI-bus.

Colorlight-i9-tools. A collection of tools and notes made while messing with the Colorlight i9 and the external "breakout" board from Muse Labs

software-UART-TX. a basic quick and dirty implementation of a software UART (TX-only) for AVR

ft232h-async-fifo. A small tool to use a FT232H as an *asynchronous* FIFO for transmitting data to the PC. Uses only libusb.

simavr-nRF24. Simulation of one or more nRF24L01+ to be used with simavr

fsfuzz. a tool to find individually obfuscated or encrypted filesystems in firmware dumps

PL2303-voltage-mod. How to modify a cheap USB to serial converter based on PL2303 to be able to select the IO-voltage (1,8-3,3V)

kittenJPEG. a minimalistic Baseline JPEG-decoder / JPG-file-reader, less than 800 lines of C and configurable to spit out A LOT of internal data

LED-driver-hacking. using/hacking a LCD LED backlight driver board to make a lamp with a high power LED