7" Touchscreen with Keyboard Rugged Raspberry Pi Tablet

7" Touchscreen with Keyboard Rugged Raspberry Pi Tablet

cults3d

This is a mod of my Rasptop 2.0 Laptop (https://www.thingiverse.com/thing:2859679) to create a pretty rugged mildly water resistant if built correctly tablet computer. It uses a lot of the same parts as the Rasptop 2.0 including the 7.2 volt 2s battery system. It features Raspberry Pi 3+ compatibility including the Pi4. The frame is mostly 5mm thick walls for strength and durability. I printed mine in PLA which is plenty strong and slightly flexible which helps but of course ABS would be the most hard core for this. #BOM: Your favorite Raspberry Pi form factor computer. 2S charger 9-15v input 2S Balance and Protection Board DC to DC Buck Converter 5amps 2S Charger Indicator 9 volt 5amp Power Supply, using 9v instead of 12v greatly reduces heat in the charger circuit Keyboard DC Jack with cover 16MM Waterproof Button 7" Capacitive Touch Screen @ 1024x600px Waterproof USB 2.0 There is the same in USB 3 for RPI4 use. USB Power Bank for the batteries x 2 Sealing Tape for seams and around screen Short USB Type A Cable #Wiring: Starting with the batteries I wired them each with a length of 20ga silicone wire then on the balance board you connect positive from one cell and negative from the other to the B+ and B+ tabs on the balance board. The leftover positive and negative wire both go to the BM pad together making a series connection. The P+ from the balance board then go to the switch. The P- goes right to the converter board input. At the power board input also wire in the battery meter. The P+ and P-are also where the positive and negative from the charger board attach so it can charge with the switch off. I used 24GA wire from the charger to the cells. I also used 24gs from the DC barrel jack to the charger board. #Be sure to set the voltage before connecting anything to the DC to DC converter! #No more than 5.2 volts. Set to 5.1 volts! When assembling use sealing tape on the seams between the case halve and around the screen. #it is currently a work in progress as I have not yet assembled mine! I made keyboard clips, these glue in with superglue to hold the keyboard in place. #Thank you!

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