Infra red Remote Control switch Infrared Remote Control switch using 4017 , 555 , relay IR (Infrared) Remote Control Switch 4017 , 555
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The easy way to detect the tv remote is damaged or not
The easy way to detect the tv remote is damaged or not 1. make sure the Battery is still good. 2. use a cell phone camera or your digital camera. 3. remote sensor faced the camera cell phone or your digital camera. then press the button on the remote while it then there will be […]
IR remote control light, using relay
IR remote control light, using relay IR remote control light, using relay
Make Electronic Circuits to Improve the infra-red remote control TV VCD DVD
Make Electronic Circuits to Improve the infra-red remote control TV VCD DVD
25W Hi-Fi Audio Amplifier circuit with MOSFET
R1,R4 = 47K 1/4W Resistors R2 = 4K7 1/4W Resistors R3 = 1K5 1/4W Resistors R5 = 390R 1/4W Resistors R6 = 470R 1/4W Resistors R7 = 33K 1/4W Resistors R8 = 150K 1/4W Resistors R9 = 15K 1/4W Resistors R10 = 27R 1/4W Resistors R11 = 500R 1/2W Trimmer Cermet R12,R13,R16 = 10R 1/4W […]
Circuit diagram keytop and display for electronic devices
Circuit diagram keytop and display A keyboard “key figure” who work with electrical contact between the surface of the keyboard and the underlying circuit when pressed keytop area, used by some home computers the early 1980s, and has been widely used in consumer electronic devices.
