See the latest version in the documentation wiki. Reliq sent a 1-Wire iButton demo using the Bus Pirate: I work in an engineering firm, and the large format color printer we have uses iButtons on the ink tanks to tell the machine what has been plugged in. These particular buttons are write-only. As you can […]
Category Archives: Chips
ChipDB
Hunting and opening heavy PDF files to check IC pinouts is a real pain. ChipDB looks like an awesome quick reference concept, with none of the frustration of those awful datasheet aggregators. There’s not a lot of chips yet, but we found the 4066 quad bilateral switch that’s used to control the pull-up resistors on […]
Chips: 24AA02E48 I2C EEPROM with MAC address
See the latest version in the documentation wiki. The 24AA02E48 is an I2C EEPROM with 256bytes of data storage. It’s similar to other EEPROMs we’ve looked at in the past, but this chip has a 48bit EUI-48 ethernet MAC address permanently burned into the upper-most six bytes. This is an easy and cheap way to […]
Chips: DS1307 I2C real-time clock
This is an old version, see the latest version on the documentation wiki. The DS1307 is a simple, inexpensive I2C real-time clock, it’s somewhat similar to the PCF8563 that was previously demonstrated with the Bus Pirate. This chip has some nice features. It has internal capacitors on both oscillator pins, the only required external part […]