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The audio line preamplifier with the signal input switch is an indispensable element of any amplified amplifier circuit. The described project is equipped with a relay (PVC) volume control eliminating problems with modern potentiometers and remote control to improve service while maintaining the simplest possible system solutions. Thanks to the use of modern elements, a very decent result can be achieved with a small cost.
Recommendations: a complete preamplifier with a source selector that is useful, for example, in a built-in power amplifier.
Basic parameters:
Includes printed circuit boards and documentation.
A detailed description in EP2 / 13 or
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This gearmotor is a powerful 12V brushed DC motor with a 131.25:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64 counts per revolution of the motor shaft. These units have a 16 mm-long, 6 mm-diameter D-shaped output shaft.
No product available!
Capacitive Touch Keypad Designed for Raspberry Pi (all versions), 16 touch keys, Interface I2C
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No product available!
No product available!
Assembled fan controller with a squirrel-cage motor. AVT1813 C
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No product available!
No product available!
No product available!
Board with WiFi module with ESP32 chip and OV2640 camera. The module is characterized by small size and low current in sleep mode. ESP-32CAM can be widely used in various IoT applications. ESP32-CAM
No product available!
No product available!
The RGB LED ruler has 8 programmable LEDs WS2812B with a built-in control system. It is possible to set a specific color for each diode. The module has an IN input for controlling and an OUT output to which further light points or other modules from WS2812B can be connected. The supply voltage is from 3.5 to 5.3 V, and the input voltage +/- 0.5 V of the supply voltage
No product available!
Permanent cylindrical neodymium magnet with a diameter of 12 mm and a height of 3 mm.
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No product available!
No product available!
No product available!