older computer/electronic stuff - $20 (Rancho Cucamonga)

This is a lot of different stuff, some I priced, some I have no idea.
Here is some of it - 3D printer silent control and touch screen $80 Belkin Flip with audio $20 Asus AC1300 dual band Gigabit Router $20 Telescoopic Antenna, no dongle, $25 Seagate backup drive SRD00F1 $25 Lots of cords and adapters and mice and all kinds of cords, some of it is new, some used.
TDS1 meter low range total dissolved solids tester $20 new TV Coaxial cable assemble, 25', $15 new Vision Net E200ER AdSL modem with adapter $15 10 mega zip 100 USB zip drive $50 Keyspan USB hub, 4 port $10 D-link 5 port hub $15 Zyxel P-600 series modem router and adapter $30 Logitech headset $20 Stepper motor $20 Sain Smart Robot motherboard Plc $30 Robot arm $150 P4X Pico projecter $150 Coolmax CX-450B power supply $35