Lithium Grim Merlin, Инструкция по сборке

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Merlin v1.1
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As an alternative for using 2 DPDT switches, you can replace them by only one DP3T ON/OFF/ON
switch to make use of 2 of the 3 switch options of the standard wiring:
To SW3 To SW3
Feedback loop
SW4 is an optional feedback loop mod using a DP3T ON/OFF/ON that can be added to all versions.
Although the drawing might suggest to use ceramic disc capacitors, you can use any type you want.
Note there is also an added 47k resistor (these components are extra and not mentioned on the bill
of materials):
To SW4
To SW4
220n
2n2
47k