alarm circuit diagrams Simple Alarm Circuit using 12C509, 2N7000, 78L05
Archives for Timer
MC1310 stereo decoder
MC1310 stereo decoder schematic using MC1310 and CA3090AQ
Two way radio
Two way radio 27MHz Citizens Band Using TR SC1675, SC828, SA564, SA715,SC1383, SC1909 and IC TA7205 AUTOPARCH SELECTOR DTMF CIRCUIT USING MPS 1212, 2N2222 CB RADIO Communications on Eleven metre CB channels and freeband including information on Citizens Band radio models. This Radio Interface Regulation covers 27 MHz Citizens Band radio equipment. … 27 MHz […]
LM555 Chip timer part 7
LM555 Chip timer part 7
TDA7088T FM receiver circuit
TDA7088T FM receiver circuit for battery supply Equipped with all stages of a mono receiver from antenna to audio output, Mute circuit, Search tuning with a single varicap diode. Mechanical tuning with integrating AFC, AM application supported, Power supply polarity protection, Power supply voltage down to 1.8 V. Mechanical tuning, this is possible with or […]
