Figure 12 Mount and solder LCD to header on ADM pc board.
Connecting the ADM to Geiger Counter Board.
The GCK-02 board has a 5V output and ground pad, look back at figure 5. Connect the 9" length of red wire from the Analog Digital meter to the +5V pad on the Geiger counter board. Connect the 9" length of black wire from the Analog Digital meter to the ground pad on the Geiger counter board. Connect the 9" length of white wire from the Analog Digital meter to one of the "D" pads (digital output) on the Geiger counter board, see figure 5. The finished connection between the ADM and GCK-02 is shown in figure 13.