Wireless dual module system for sensing and indicating the ammunition capacity of a firearm magazine

A contactless ammunition count system for a firearm having an ammunition container with a pusher plate pushing a number of rounds of ammunition from the container to the firearm, said system comprising:

• said pusher plate having a maximum length of travel along a first pusher plate path from a first full position with a maximum number of rounds inserted into the container to a second empty position with no rounds inserted into the container;
• a target attached to the pusher plate, wherein said target comprises a resonator,
• said resonator including a core wound with a coil connected to a capacitor to form said resonator;
• a printed circuit board containing patterned coils that are resonantly coupled to the target across an air gap, wherein the patterned coils are shaped to detect the target's movement and position relative to the ammunition container from the target's first full position to the target's second empty position.
• a resonant inductive sensing circuit electrically connected to the patterned coils that calculates scaled numerical values by generating a waveform to inductively power the resonator and to measure the amplitude of return signals relative to the target's current position above the patterned coils to calculate the distance from a baseline to the target's current position;
• a microcontroller for determining the current number of rounds of ammunition within the container based on the target's current position;
• a display for displaying the determined, current number of rounds of ammunition within the container.