Tag Archives: pcb

PCB Booster tube and light flow control valves using 12AU7

By admin | Published: February 22, 2010
PCB Booster tube and light flow control valves using 12AU7 A 12AU7-based booster and light overdrive running at 9 volts.  A very fun little circuit that has a minimal parts count and actually generates a good amount of boost and some overdrive. You can even run this one of a 9 volt battery if you don’t mind [...]
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PCB circuit diagrams Motor control and motor drive for remote cars

By admin | Published: February 20, 2010
PCB circuit diagrams Motor control and motor drive for remote cars Circuit consists of WZ-X01 RF module, Holtek HT-640 encoder and 8-bit A/D converter. U1 ADC0804 converts the analog voltage to digital data; U2 encodes that data (D0~D6) along with D6, D7 and transmitting through the RF transmitter module. The potentiometer VR1 varies the voltage to [...]
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