Keyword
Part Number
res 523k ohm 1/2W 1% axial
Using 8255 port to form matrix keyboard circuit
STK437 power amplifier circuit diagram
Tone circuit with variable corner frequency
Touch delay circuit using digital circuits (2)
Object departure alarm circuit
Touch switch circuit diagram A
DIY power supply with current limiting gear and adjustable voltage
Pulsed infrared LED driver circuit diagram
70MHz crystal oscillator circuit
Pyroelectric infrared sensor corridor lighting circuit
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