card

SD SDHC CARD SOUND RECORDER

SD/SDHC CARD SOUND RECORDER

Updated on 30.6.2015 The PIC16F876A’s ADC digitizes the sound and store it in the SD or SDHC card. The firmware works for SD or SDHC cards only, for old SD (before 2009) use ver1 firmware. Do not use SDXC cards with this project because some of them work on 1.8V drive. The code detects whether

SD/SDHC CARD SOUND RECORDER Read More »

Connect Flash Card with PIC18F4520

Connect Flash Card with PIC18F4520

The Compact Flash Library provides routines for accessing data on Compact Flash card (abbr. CF further in text). CF cards are widely used memory elements, commonly used with digital cameras. Great capacity and excellent access time of only a few microseconds make them very attractive for microcontroller applications. In CF card, data is divided into

Connect Flash Card with PIC18F4520 Read More »

Logic PCB Business Card

Logic PCB Business Card

About I’ve seen PCB business cards for a few years now on Hackaday, and I figured it was time to design one of my own. Most PCB business cards involve a microcontroller. I wanted to do something a bit different, so my card performs its intended function strictly with digital logic gate and D-type flip-flop

Logic PCB Business Card Read More »

Making a PCB

Making a PCB Business Card

Many of you may have seen the Adafruit PCB ruler (also used by the awesome Voltera). The design was actually adapted from my own design back in University! To improve on the original idea, I have created a reference business card.   Here is a computer render of the design: PS. The dots on the

Making a PCB Business Card Read More »