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use 2000mAh or higher capacity NiMH batteries and implement the battery monitoring code that alerts you when voltage drops below safe operating thresholds
NE5532 Operational Amplifier IC
then tune across the 88-108 MHz range using the same dial mechanism
Avoid using antennas rated for WiFi only without verification of 802
Monitor CO2
Pololu 1410 Basic Sumo Blade for Zumo Chassis DIY Paper Foldscope Microscope Basic Kit use 2000mAh or higher capacityPololu 1410 Basic Sumo Blade for Zumo Chassis
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