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Raspberry pie driving PCD8544 tutorial: 1 the hardware how to connect: Connection mode of B version: Insert the B+ version of the B+ 2*20P pin: remember the former 2*13P needle and B version is fully compatible, also is the signal definition completely consistent. So the B+ program and B are fully compatible with! Software To install wiring pi. 1 Cd ~ Git clone git://git.drogon.net/wiringPi CD wiringPi ./build 2 to establish a working directory Cd ~ MKDIR cpu_show The 3 method of using SFTP to download the source code to the /home/pi/cpu_show The 4 compilation of source code CD ~/cpu_show CC -o cpushow pcd8544_rpi.c PCD8544.c -L/usr/local/lib -lwiringPi / / finally implementation effect Sudo./cpushow ////////////////////// contrast adaptation knowledge ////////////////////////// / / because each LCD contrast differences, if you find / / display the content is too dark. Or display the content is too light. / / need to contrast variables modify pcd8544_rpi.c the source code, and then in the re compiled and run to see the effects of a change in! Nano pcd8544_rpi.c / / LCD contrast //may be need modify to fit your screen! Normal: 30- 90, default is:45!!! Maybe modify this value! Int contrast = 45; / / changes here, default is 45, too dark, went down a little, 5 is a good step index. / / is too light, an increase of 5 / / change after recompiling in operation CC -o cpushow pcd8544_rpi.c PCD8544.c -L/usr/local/lib -lwiringPi Sudo./cpushow ////////////////////// contrast adaptation knowledge is completed ////////////////////////// SHIPPING PAYMENT RETURNS FEEDBACK ABOUT US 1)All items will be shipped to your paypal address .Please update your latest address when you check out,and please make sure to provide us with correct,precise and detailed shipping address. 2)Most of the items will be shipped via Hongkong Airmail/Singapore Airmail .To US customers,we will send the package via E-packet . 3)All items will be shipped in 1-2 business days (excluding Sat,Sun & Holiday) after payment received and cleared. For the long-time holiday, we'll post the info on our store and reply you automatically via emails. 4)Tax:We will do our best to help you to clear the goods,and the tax depends on each country custom. 5)If you don't receive items over 30 business days,please make sure to contact us before leaving any neutral or negative feedbacks.We'll try our best to help you solve the problem. 6)The product in our store is free shipping. But the shipping method is different based on your order.If your order is more than $50 ,we will send the items to you with tracking number for free.If your order is less than $50,the registered mail fee is on your side. We could also deliver your item via EMS,DHL or Fedex based on your requirement. We Only Accept Paypal on Ebay. For specific requirements, please feel free to contact us. 1)If for some reason you're not satisfied with our service or product quality, please contact us within 3 days after you get the package, you can return the products to us in original package and we will refund your money after we get the package!(Shipping cost is NOT refundable and you should responsible for the return shipping) 2)Although we test each item and they are packed professionally, few item(less than 0.1%) might be damaged during the shipping. You are welcome to contact us within 3 days after you receive your package about replacement. 3)Repair Some items might be broken caused by improper use, we are always happy to offer any helpful repair service. Of course, you can send the broken items back to us and we will help you resolve the situation and charge reasonable repair fees. Feedback is important to all of us participating on the eBay community. We are always working hard for maintain high standards of excellence and strive for 100% customer satisfaction. So yourPOSITIVE FEEDBACK is very important. Here is an illustration showing how to leave the positive feedback, please follow the following step. Thank you so much. And welcome back to our store again. ICs_Processors_Store is a leading company specializes in all kinds of IC products, such as electronic devices and components, development modules, development boards, consumptive materials and so on. ICs_Processors_Store has gained thousands upon thousands of registered customers from all over the world. We offer world wide free shipping and have already shipped to more than 150 countries including United Sates, United Kingdom, Canada, Australia, France, Germany, Russia, Italy, New Zealand, Spain, Brazil, Japan, Singapore, Korean, etc. Here is a list of reasons for trusting ICs_Processors_Store as your reliable source of IC products or business cooperator: 1.Competitive Price 2.High Quality Products 3.Excellent R & D team 4.Excellent shopping platform 5.Excellent Customer Experience 6.Excellent Team Work In ICs_Processors_Store, we provide variety of IC products, sell them at the best price, and offer the best service.You will never regret to have ICs_Processors_Store as your reliable IC item source, supplier, and business cooperators. Have fun! Robots Wholesale Products Sensor DIY Power Modules Development board Wireless Module LCD Modules inkfrog terapeak i000000 inkFrog Analytics On Jan-07-15 at 00:01:07 PST, seller added the following information:
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