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Dmitry Isaenko 60fa09d298 share this
2021-09-11 18:58:49 +03:00
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arduino_rw1990

Read and flash RW1990 keys using arduino.

RW1990 aka RW-1990. Most likely RW-1990.1, ТМ-08, ТМ-08v2 will be working.

It should be something about 'PCB'

You will need:

  • Resistor 2.2k
  • Arduino Nano. Or not Nano, Uno is also good. Or you can pick some Arduino-compatible board.
  • Wires x3

Long story short: pull PIN 10 over capacitor to VCC. Plug this pin to the center of the iButton key. Key 'borders' should be connected to the ground.

Just take a look on what_is_it_should_be_look_like.jpg

HOWTO

To read key just flash snipped as is.

To write key you need do next steps:

  1. Set key_to_write to key you want to write.
  2. Find in code '// UNCOMMENT THIS SECTION FOR FLASHING KEY' section and uncomment this section.
  3. Flash. Check. Get satisfied.

Example


References:

Uses some code, ideas, information, inspiration taken from:

License

Since I didn't find any license info in projects used please consider this as WTFPL app.