Softrock Lite USB Xtall circuit

The Softrock Lite V6.2 series offers an affordable entry-level kit for amateur radio operators or shortwave listeners interested in experimenting with Software Defined Radio (SDR). This manual is inspired by Leonard WC0WOX's innovative approach to creating a web-based construction guide...

USB Printer Share Switch Circuit

This simple device enables two computers to share a single USB printer or other USB devices, such as an external flash drive, memory card reader, or scanner. A rotary switch is used to select the PC that will be connected...

usb data logger

The Vinculum board is controlled using DOS commands. Each time a command is sent, if executed successfully, the board responds with "D:>", indicating readiness for the next command. Sending commands faster than the Vinculum board can execute them, without waiting...

Desheng 119 700 High sensitivity l2-band stereo radio circuit diagram

The circuit diagram for the Desheng 119 700 type FM, TV sound, medium wave, and short wave high sensitivity L2-band stereo radio is presented below. The Desheng 119 700 type radio circuit is designed to receive various frequency bands including FM,...

ISL6185 USB power controller circuit design

The ISL6185 USB power controller family can be utilized to design a straightforward USB power supply electronic project that offers fully independent overcurrent (OC) fault protection for two or more USB ports. This product family includes sixteen distinct functional product...

5474 tips

The Aristo ART-5474 Accessory Panel is a complete receiver designed to control accessories using buttons A through E on the Train Engineer transmitter. The ART-5474 is capable of controlling two turnouts, one constant load such as lights, and can trigger...

Desheng R-202T type two-band radio circuit diagram

The circuit diagram of the Desheng R-202T type two-band radio is as follows. The Desheng R-202T is a two-band radio receiver designed to operate on both AM and FM frequencies. The circuit typically includes several key components that facilitate the tuning...

USB phone charger

A portable phone charger designed for a Siemens mobile phone has been updated to include a printed circuit board (PCB), a USB connector, and enhanced current capabilities. The new charger utilizes a step-up converter based on the TPS61032, which is...

A 30 Mtr Direct Conversion Receiver for QRSS

The schematic for the crystal bandpass filter/amplifier board is illustrated, along with images of the assembled and boxed unit. The signal frequency bandpass filter is constructed over a ground plane and enclosed in a separate housing measuring 75 x 75...