One thing to remember about the resistor dividers is that they're not strong enough There are a few options here, ranging from the simple resistors (v1) to a buffer chip (v3). The idea is that you pick one version from each part 1 through 3, There are some simple schematics included here ( source). 1.8V conversion isnt covered here, yet.The FTDI based usb-serial converters are the fastest.a 3.3V SPI flash chip that is supported by flashrom.a way to convert the 5V logic levels to 3.3V (except if 3.3V arduino, these are rarer).Arduino Mega or Mega2560, but notice that the software has a different branch for them.any based on the ATmega328 (/168/88 will work with small changes too), like the Arduino Uno R3. ![]()
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