• v3.12a upgrade

Chip for the Ultimate3S QRSS/WSPR kit, v3.12a. This is the ATmega328 chip.

Note that this is the chip for the NEW Ultimate3S Kit, not the older retired Ultimate (U1), Ultimate2 (U2) or Ultimate3 (U3) kits! This chip is not compatible with the old kits! If you need a firmware chip for the older kits U1, U2 and U3 that can be purchased on other pages in this shop.

Version history: please see http://www.qrp-labs.com/ultimate3/u3firmware.html

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v3.12a upgrade

  • Product Code: U3SCHIP
  • Availability: 391
  • $6.00