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Archives for lcd modules

LCD Modules diagram

LCD Modules using PCF8574 8 bit I2C LCD Modules using PCF8574 8 bit I2C

LM555 Chip timer part 7

LM555 Chip timer part 7

NOISE REDUCTION PROCESSOR circuit

NOISE REDUCTION PROCESSOR circuit DOLBY B-TYPE NOISE REDUCTION PROCESSOR KA2271 DOLBY B-TYPE NOISE REDUCTION PROCESSOR KA2271 The KA2271 is a monolithic integrated circuit designed for use in Dolby* B-type reduction systems. FEATURES Few external components Low quiescent circuit current (Typ Iccq=4.3mA) High crosstalk rejection ratio. Built-in NR-switch, REC/PB-switch. Recommended supply voltage: Vcc=8V~16V.

Radio receiver circuit

AM/FM radio receiver circuit using BF245, BF990A, SA602, TCA440

LCD Modules diagram

LCD Modules using PCF8574 8 bit I2C LCD Modules using PCF8574 8 bit I2C

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