Chips & Electronics cost bar graph display $3 simple lcd screen $10 scrambler chip(100000 codes) $30 heater chip(chip becomes hot) $2 hard wired maps $1/square mile pressure detector $10 radar distance detector $100 Geiger detector chip $20 amplifier chip $5 counter $1 delay chip $1 word recognizer(5 commands) $10 cable yards/2 speaker $1.30 per inch(round) solid state speaker $20 processor(int 40,spd 50) $80 simple math chip(int 10,spd 5) $10 power
battery(100 chip hours) $1 lantern battery(1000 chip hours) $5 rechargeable(25 chip hours) $10 plug(50 chips) $10 solar cell(power 30 chips) $40