Indeed, there is no better design despite folk saying they can. Heard it all before and expect to see nothing. After all it's not my design anyway, all I've done is make a PCB and find a decent way of modulating it.
Regarding anyone thinking I've made money out of this, think again, the time, effort and investment have been lengthy.
I just wanted to provide something for the community not get slagged off for trying.
Thankfully many are happy and if your not or you have broken it, send it back for repair. It will only cost your postage one way tis all.
Str.