IAMBIC KEYER PROJECT Build your own IAMBIC keyer within a few minutesHere's my version of an IAMBIC morse keyer for homebrew/QRP projects.The micro is available for less than 2 Euros from many suppliers. Design goals:- Sidetone - IAMBIC-keying- Transceiver PTT switching- Variable Morse Speed - Small- Easy to buildHex-File for programming the micro (ZIP file): downloadImportant:ATtiny2313 Fuses:
By default the micro's CKDIV8 fuse is checked.
Prior to program the micro uncheck the micro's CKDIV8 fuse to enable the internal 8 MHz clock generator otherwise the micro will run with wrong 1 MHz clock by factory default.