FongEye

Pages

Red Pi.

http://www.raspberrypi.org/archives/tag/red-pi

.END

Posted by tlfong01 at 11:50 am

Simple theme. Theme images by gaffera. Powered by Blogger.

HC573 / ULN2803 Board testing notesNo

Now I have completed all the soldering work and offline testing for the board. Next step is online testing. .END
Microchip Technology SPI Master EEPROM 25LC256 program example

SPI Master EEPROM by Microchip Technology - June 21, 2012 http://embeddedcodesource.com/developer/microchip_technology_59/spi_master_eepr...
Dual RFM12B board testing notes

Now I am using a bread board to make aSPI signal routing board for both RFM12Bs. Previously I was using jumper wires to jump between tw...
MCP23017 testing notes

I am reading my old posts to refresh my memory on how did I test the MCP23017 last time. MCP23017 test preparation notes 2012年12月31日下午2:3...
Dual RFM12B board testing notes

Now I have jumper wired the following configuration. 1. SPI Ground, MOSI, MISO connected to both RFM12B's corresponding pins. ...
2N7000 level shifting board notes

Raspberry Pi I2C Level Shifter and GPO Expander board assembly notes 2012年12月28日上午11:27 公開累計瀏覽次數 18 0 Now I am going to try ...
MCP4151 Datasheet reading notes

Microchip MCP413X/415X/423X/425X 7/8-Bit Single/Dual SPI Digital POT with Volatile Memory Features • Single or ...
HC573 pinout
Webcam pair hung on a lamp post

Now I have hung a pair of webcams on a lamp post for LED lamps. .END
LM2941 PSU design horror

I soldered the circuit except the 22uF cap, because I could not find any in my boxes. I thought the circuit might oscillate and if I us...