Description: Infrared remote control key lock feature is the largest free memory password, the password is set up as long as each click on the remote control to send function keys " F" to open the electronic control lock body, thereby to bring about people' s lives a great convenience, but poor memory, especially for the elderly. The circuit is the use of infra-red send PH303, infra-red receiver for the use of the center frequency of 40kHz the NJL41V40 [1], the device includes an internal PIN to receive infra-red tube, selective frequency amplifier, and demodulator.
To Search:
- [LOCK] - Graduation Project: Based on single-chip
- [ElectroniClock] - Proteus designed 51 single-chip electron
- [jieshou] - 892,051 based on the infrared remote con
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hong.asm
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