pic keyboard circuit | Next Electronics

This kit is based on an original design by Jan G0BBL and serves as a versatile replacement for the older "Rocky" serial interface kit. It includes control of the programmable oscillator on the V6, 3 RXTX (and the older, now...

Access Flash Drives with a Microcontroller

USB flash drives offer a convenient method for storing various types of information in a compact form. Also referred to as thumb drives and USB keys, these drives are well-suited for applications in data loggers and other projects based on...

Hidden Radio Transmitter Controller

PicCon is a PIC microcontroller based radio controller designed for hidden transmitter hunting. When combined with a radio transmitter, it will produce tone sequences and Morse code messages at user-programmed times. It is completely field programmable via DTMF tones, utilizes...

usb to rs232 converter using ft232

Some still remember the serial RS232 port, also referred to as a COM PORT, as its functionality has largely been replaced by USB ports. However, for electronics engineering students and technicians learning about computer interfaces, the RS232 port remains relevant....

Cigar Lighter Plug to USB Power Socket

Cigar lighter plug to USB power socket. This circuit converts a 12V DC source from a car cigar lighter plug into a USB power socket with a 5V DC output. This circuit can be used to power 5V electronic devices...

usb-voltage-converter-5v-to-12v.html

This is a 5V to 12V DC-DC step-up (boost) converter circuit designed specifically for USB-powered applications. A USB port has two current supply modes. Initially, it supplies a maximum of 100mA to the load before detecting the connected device. Once...

LCD voltmeter circuit

Any PIC microcontroller equipped with an ADC and sufficient memory to accommodate the program can be utilized. An LED is pulsed after each ADC acquisition to indicate the processor's activity, allowing for verification of software functionality. The LCD voltmeter files...

Schematic diagram of a USB player Schematic Diagram

This USB circuit utilizes an integrated circuit (IC) to convert digital voice data into an analog format, making it suitable for headphone use. Additionally, the output can be amplified through a power amplifier, allowing the sound to be played through...

Programmable Stiffness Joint

The Programmable Stiffness Joint is a device capable of internally modifying the rotational stiffness of a simple pivot joint. It serves as a proof-of-concept for future work aimed at developing a model to determine the respective damping and stiffness components...