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Power module for micro:bit, expansion board, works with button cell, buzzer $ 9.35 9.35 USD	EARTH LISTENER $ 152.85 152.85 USD	Cable locator and cable tester with tone generator for detecting wire breaks in, perimeter wire for all robot lawnmowers, electrical wiring and telephone cables. $ 41.85 41.85 USD	MOSFET SET $ 25.95 25.95 USD
TRANSISTOR AND TRIMMER SET $ 20.95 20.95 USD	BOARD TO WIRE CONNECTOR SET $ 20.95 20.95 USD	Soldering kit, DIY, 8-channel USB relay card $ 50.85 50.85 USD	Low voltage LED dimmer $ 26.35 26.35 USD
1A Power Supply Module $ 10.95 10.950000000000001 USD	BRIGHTDOT SEWING KIT FOR ELECTRONIC WEARABLES $ 22.85 22.85 USD	BRIGHTDOT POWER AND FUSE PACK FOR ELECTRONIC WEARABLES $ 14.95 14.950000000000001 USD	3 x 4 MATRIX MEMBRANE KEYPAD $ 5.45 5.45 USD
DS1302 REAL-TIME CLOCK MODULE / WITH BATTERY CR2032 (2 pcs) $ 8.25 8.25 USD	5 VDC STEPPER MOTOR WITH ULN2003 DRIVER BOARD $ 8.35 8.35 USD	Magnetic Reed module, 2 pieces, 5 VDC, white $ 6.25 6.25 USD	Vibration/Shock Sensor, module, 2 pieces, 5 VDC, white $ 5.25 5.25 USD
TDS sensor, for water quality, 3.3-5.5 VDC, measuring range 0-1000 ppm, cable length 60 cm, white $ 10.45 10.450000000000001 USD	4-channel relay module, direct microcontroller control, opto-isolated inputs $ 11.45 11.450000000000001 USD	Adjustable LM2577 voltage step-up module, boosts 3.5-35 VDC to 5-40 VDC $ 15.75 15.75 USD	DC-DC boost modules, stable 5V output for LiPo and Alkaline batteries $ 5.15 5.15 USD