Wireless Home Security Implementing KEELOQ and the PIC Microcontroller

Reference Design using part HCS200 by Microchip Technology

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Base Station Panel (Sheet 1 of 8)
Base Station Panel (Sheet 2 of 8)
Base Station Panel (Sheet 3 of 8)
Base Station Panel (Sheet 4 of 8)
Battery Charger/Accessory Panel (Sheet 5 of 8)
Battery Charger/Accessory Panel (Sheet 6 of 8)
Sensor Module (Sheet 7 of 8)
Sensor Module (Sheet 8 of 8)
Image 1 / 8

Manufacturer

Microchip Technology
  • Application Category
    Wireless Communication
  • Product Type
    Wireless Systems

For End Products

  • Automotive and Transportation
  • Car Alarm
  • Cellular Phone
  • Energy Meter
  • Fire Alarm
  • Garage Door Opener
  • Pager
  • Residential Lighting
  • Security

Description

  • System solution for a low end/power wireless home security system. This design implements an HCS200 encoder for the intruder sensor signal encryption, one PIC12C508A PIC MCU for sensor monitoring and RF signal initiation, HCS515 decoders for decrypting the received intruder sensor signal and a PIC16C77 PIC MCU for base station panel monitoring and control

Featured Parts (82)

Featured Parts
Part Number Manufacturer Type Description
PIC16C77-10/L Microchip Technology Microcontrollers - MCUs MCU 8-bit PIC RISC 14KB EPROM 5V 44-Pin PLCC Tube Buy
PIC16C77-20/P Microchip Technology Microcontrollers - MCUs MCU 8-bit PIC RISC 14KB EPROM 5V 40-Pin PDIP Tube Buy
LM317LBZRAG onsemi Linear Regulators Standard Regulator Pos 1.2V to 37V 0.02A 3-Pin TO-92 T/R Buy
LM317LBZRPG onsemi Linear Regulators Standard Regulator Pos 1.2V to 37V 0.02A 3-Pin TO-92 Fan-Fold Buy
LM317MTG onsemi Linear Regulators Standard Regulator Pos 1.2V to 37V 0.25A 3-Pin(3+Tab) TO-220 Tube Buy
LM317MABDTRKG onsemi Linear Regulators Standard Regulator Pos 1.2V to 37V 0.25A 3-Pin(2+Tab) DPAK T/R Buy
LT1013DS8#TRPBF Analog Devices Operational Amplifiers - Op Amps Op Amp Dual Precision Amplifier ±22V/44V 8-Pin SOIC N T/R Buy
HCS200T/SN Microchip Technology Communication Misc Hopping Encoder 5V/9V/12V 8-Pin SOIC N T/R Buy
PIC16C77-04I/P Microchip Technology Microcontrollers - MCUs MCU 8-bit PIC RISC 14KB EPROM 5V 40-Pin PDIP Tube Buy
HCS515/SL Microchip Technology Communication Misc Decoder 5V 14-Pin SOIC N Tube Buy
LM317MDTRKG onsemi Linear Regulators Standard Regulator Pos 1.2V to 37V 0.25A 3-Pin(2+Tab) DPAK T/R Buy
LM317MSTT3G onsemi Linear Regulators Standard Regulator Pos 1.2V to 37V 0.25A 4-Pin(3+Tab) SOT-223 T/R Buy
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