Icl7107 display driver IC Thermometer temperature sensor 5 volt supply circuit as a single source bc547b used p1 and p2 with the calibration adjustment trimpot icl7107 display two HD-A544D led display used 2 different pcb and feeding you see in the picture above, control, display of the one into separate modules
ICL7107 Thermometer
ICL7107 PCB Thermometer Circuit schematic files:
ICL7107 Thermometer Circuit (transistor sensor) ZIP File Password: 320volt.com
5-Channel Equalizer PT2389 3D-Effects Bass Filter Circuit
Princeton Technology Corp.. A lot of producers pt series has an integrated volume control, sound system I’ve seen on Chinese goods usually made with a complete control circuit PT2389
@ akmese451 says: Pt 2389 5-band digital echo circuit. Circuit, voice Classical – Jazz – Pops – Rock – Flat and 3D sound effects, Bled (BB) in özellekleri high performance I expected AmAlArImdA bought katmaktadır.den disabled. 3 years ago Sony Walkman my cassette player in the engine’s belt to change for HIS I integrate this with raslamıştım.wolkm new money at that time with 200 million bought … Circuit really nice devre.devr the Bled (BB) feature the bass excellent veriyo half full bi multi-media circuit. Printed circuit board was drawn by me.
PT2389 Equalizer 3D-Effects