I'm almost ready to start producing a revision of my Phi-1 shield
, the Phi-2 shield. Here is a few pictures:
Notice that the "board" was a 1:1 printout double sticky taped onto a cardboard and many holes were poked on it!The following functions still exist since the Phi-1 shield:
* 16X2 LCD character display
* 6 push buttons – four arranged in arrow keys and two more on the side
* Optional buzzer
* Real time clock with battery backup keeps the time when Arduino is turned off
* EEPROM for easy data logging keeps data when Arduino is turned off
* GPS connector and breakout for this popular GPS module
* Reset button for Arduino
* All Arduino pins are brought out for maximal flexibility.
The following functions are gone, and replaced
* 2 RJ11 ports for long and robust connections with sensors or control devices-replaced by RJ45 connections with 8 lines per port, 16 total!!
* LED in place of the RJ11 ports-replaced by a sensor block (bottom right 3X3 female headers). You can connect a variety of sensors such as thermistor, LM35, photoresistor, phototransistor, sonic ranger, Hall sensor (analog or digital), photo gate, trimpot, etc. Pretty much anything with a 5V, GND, and a signal (analog or digital) can go on the sensor block.
* Hackable for more functionalities (see the end of the assembling)-removed. Now all RJ45 pins are brought out to female headers, so is the buzzer. The analog 2 and 3 are no longer dedicated to buzzer and led any more. More flexibility!The following functions are newly added:
* Two 3mm indicator LEDs below the LCD. I didn't put them on the "board".
* SCL and SDA are no longer tied to arduino UNO or Duemilanove analog pins 4 and 5 but to two female headers. You can jump them to UNO analog 4 and 5 or MEGA pins 20 and 21(right?)
* Now the shield is pin-compatible with official Ethernet shield. I could use your help to find the height of the RJ45 connector on the ethernet shield!! If the ethernet shield is connected to the Phi-2 shield, the LCD is still functional, as well as several buttons.
Please feel free to leave suggestions!
I'll be making RJ45 breakout boards, relay boards (RJ45, terminal block connection), and other stuff as well. Keep tuned in.
Meanwhile, the Phi-1 shield PCB and kit are still for sale at dipmicro.com
The price is rock-bottom low. This new PCB I'm shooting for $16.