1. 1 1 2 2 2 3 2 3 1 2 5 1 PIC 1 8V 5 5V PIC 2 PIC PIC 3 2. 2 1 SW SW 1 IC 1 3 1 2 ON 3 3. 3 5cm 4 JP1BJB jp1bjb a1club net HH PC12F1822 IC DIP8 2SCre15 102 103 0 01F 2 3 0 1F df1 Y CO Oscillator Circuit 3 AN1102 4. lt gt PTK2011 PIC Touch Keyer 2011 201 1 A1 Club PIC Touch Keyer 8 PIC Microchip 1 OFF ON OFF 2 1 5. BOX ON R OK VR 1 3 V 2 R 2 VR 2 ON OFF SW ON OFF 3 ON OFF SW ON OFF 4 G