Remote Control Printed Circuit Board
Bildnummer 11729257
| Both sides of the PCB in a TV remote control. The uppermost side in the remote control shows 52 contact points corresponding to the buttons on the keypad of the cover. When a button is pressed,its conductive base connects with the corresponding contact point below completing an electrical circuit to the 8-bit,low-voltage operation microcontoller. This is a highly integrated chip of the RISC (reduced instruction set computer) type being specifically designed for the limited functions necessary for a tv remote control. The microcontroller creates a coded command signal which is then transmitted as infra-red light by the I-R light emitting diode (LED) to the sensor on the TV receiver (or set-top box) where it is decoded. The reverse side of the PCB shows the micro-controller near the centre,the infra-red LED at the top and at the other end location points for 2 x 1.5v AAA batteries | |
| Lizenzart: | Lizenzpflichtig |
| Credit: | Science Photo Library / Terry, Sheila |
| Bildgröße: | 4800 px × 3650 px |
| Modell-Rechte: | nicht erforderlich |
| Eigentums-Rechte: | nicht erforderlich |
| Restrictions: | - |
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