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Square Wave Signal Generator NE555 Pulse Module w LED Indicator 5-15V
$7.95
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Bluetooth Module HC-06 (Arduino & Raspberry Pi Compatible)
$8.95
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ADS1115 16-Bit ADC - 4 Channel with Programmable Gain Amplifier
$14.49
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Knob / Dial for Variable Capacitors 2.1mm Hole Shaft 223p 20pf 60pf 140pf
$3.49
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