Masthead + PA + Radio Sequencer

My 2m station includes a masthead preamp, a 2 x 4cx250 linear and the IC-910. In order not to blow up the preamp I needed to get a sequencer, me being me I decided to design and build one, total cost with the box was around £10. This is a very simple design and uses

PICAXE-08M Standalone Automatic Voice Keyer

After using a voice keyer in various contests and activations on my Icom IC-756pro3 I really found I missed one on my Icom IC-910H VHF/UHF transceiver.  There are commercial hardware solutions (like the MFJ-434B) and some software ones about but I don’t do commercial if I can help it 🙂 I’d previously been introduced to