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Communication Security Robotic All Circuits All pinouts

Homebrew circuit printing

Digital simulator SPICE Electronic Simulation

Connection for computer Remote Control Transmitter Receiver

Touch detector Proximity detector Door led Motion detector Alarms

Robotic Monty Robotic Explorer Driller Machine Expender Arm robot

By cable paralllet By cable serial By laser serial By radio serial

RF 4 channels RF 8 channels(PIC16F84) By IR

Transmitter FM Transmitter FM(PLL) Transmitter VHF UHF

Receiver FM Receiver AM Receiver FM(PLL) Receiver UHF

MICROCAMARE WIRELESS 1.2 Ghz

WATER ALARM

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Parts:

D1 Varicap diode (eg. BB119)
D2 1N4148
R1 100K
R2 220K
R3 22R
R4 1K trimmer
R5 1K
R6 56K
R7 1M
R8 1K2
C1 5pF ceramic
C2 6pF ceramic
C3 15pF ceramic
C4 trimmer cap
C5 15pF ceramic
C6 1nF ceramic
C7 100uF electrolytic
C8 4.7uF electrolytic
C9 100pF ceramic
T1 BF244A or BF245A FET
T2 2N3819 FET
T3 BC307/8/9 or BC557/8/9 PNP

Credits :

Dan Evans (dan.evans@sjc.ox.ac.uk)