PIR Soldered PCB 
Wednesday, December 9, 2015, 09:57 AM
Posted by Administrator
Today I got my soldering iron out after a very long time with it kept in my toolbox.

I replaced the solder less circuit I prototype last year (see http://rocode.com/sensors/#PIR) with the new soldered PCB shown below.



The green LED is lit when movement is detected by the PIR Module.

I purchased a spacing header strip from ebay and cut off a few for this PCB. However the pins are to short and the cables easily dislodge. I put sticky tape on them for now. I plan to buy another strip with longer pins and replace those used here.

I had lots of trouble working out what were the GPIO pin outs and the corresponding software pins in the WiringPi software (see http://wiringpi.com/). It appears that the pin numbers used in my download are somehow different to published current GPIO connector (see https://www.raspberrypi.org/documentation/usage/gpio/).

I am currently using a Raspberry Pi 2 Model B running with the Raspbian OS (see https://www.raspbian.org/). As the Raspberry Pi Zero was recently released I would like to try this with a USB Ethernet adapter as a cheaper replacement for the computer.
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