Raspberry Pi 4 7 inch 2-in-1 Laptop
Description
This is a 2-in-1 laptop based on Raspberry Pi 4. Specifications: - CPU ARM Broadcom BCM2711 - RAM 1, 2, 4 or 8 GB LPDDR4 - Hard-disk: MicroSD up to 64GB (replaceable without disassemble the laptop) - Display 7" IPS 1024x600 - Capacitative multi-touchscreen - 2.4 GHz and 5.0 GHz IEEE 802.11ac wireless - Bluetooth 5.0, BLE - Webcam 2 Mpixel - Backlit keyboard with click - Multitouch trackpad - 3-cell lithium-ion battery - Ports: 2x USB 3.0, 1x USB 2.0, 1x Gigabit Ethernet, 1x HDMI, 1x Audio out, 1x 40 pin GPIO header - External sizes: 183.4x138.1x43.5 mm (7.22x5.44x1.71 inch) - Weigth: 962 g (33.9 oz) 3D printing of this project is simple but the electronic wiring are very difficult. Good skills in soldering electronic components are required. I'm working on designing a PCB to simplify connections. I was unable to get the XL4015 charger into the laptop so I will put it together with the power supply. The current firmware only provides the ON / OFF function. I'm working on the firmware for battery and fan management. For more information see https://www.stampa3d-forum.it/forum/topic/11362-mini-notebook-convertibile-con-raspberry-pi4/ How to buy: - 1x Raspberry Pi 4 Model B (1, 2, 4 or 8 GB) https://it.aliexpress.com/item/4000054878108.html - 1x 7" LCD Display Touch Screen 1024*600 https://www.aliexpress.com/item/32639615250.html - 1x i8 mini keyboard (select your language) https://www.aliexpress.com/item/33057904077.html - 1x Dell Precision E6400 E6500 webcam https://it.aliexpress.com/item/4000898989316.html - 1x 4 ports USB HUB - https://it.aliexpress.com/item/32949829582.html - 1x Class-D amplifier PAM8403 module https://it.aliexpress.com/item/4000476990910.html - 1x tablet speaker https://it.aliexpress.com/item/33014129664.html - 3x 18650 Li-ion 3.7V battery https://www.aliexpress.com/item/4000831190019.html - 1x 18650 battery storage box case (to take the contacts) https://www.aliexpress.com/item/32996904830.html - 1x Li-ion battery balancer BMS 3S 18650 https://www.aliexpress.com/item/32818177420.html - 1x XL4015 5A Li-ion battery charger module https://www.aliexpress.com/item/32902216334.html - 1x XL4015 5A step down https://it.aliexpress.com/item/32901912036.html - 1x ATmega32U4 Pro Micro 5V 16MHz https://www.aliexpress.com/item/32831453012.html - 1x ACS712 5A module https://it.aliexpress.com/item/32348760733.html - 1x Raspberry Pi 4 heatsink https://it.aliexpress.com/item/33058155629.html - 1x 3010 Blower Brushless Fan 12V https://www.aliexpress.com/item/4000200985522.html - 1x HDMI cable, micro male to female, 15cm https://it.aliexpress.com/item/32838963793.html - 1x HDMI cable, micro male to male, 1m https://it.aliexpress.com/item/4000051703847.html - 1x Male short HDMI connector https://it.aliexpress.com/item/32960585302.html - 1x Male USB C connector https://it.aliexpress.com/item/4001069957359.html - 2x Micro USB Male connector https://www.aliexpress.com/item/33027573348.html - 1x Power connector DC-005 https://it.aliexpress.com/item/4000930618204.html - 1x Headphone connector PJ-320B https://it.aliexpress.com/item/32900115725.html - 1x Toggle switch SS-12D00 https://it.aliexpress.com/item/32964400942.html - 1x 6X6X4.3 DIP Micro Switch https://www.aliexpress.com/item/32279379661.html - 1x L7805CV Voltage Regulator 5V 1.5A TO-220 - 1x IRF9540 mosfet or BDX34C transistor - 1x BD139 transistor - 1x BC547 transistor - 2x 5V zener - 8x 1N4007 diode - 8x Bolt M2.5x20 - 4x Bolt M2.5x15 - 12x Nut M2.5 - 4x Countersunk head bolt M3x23 - 3x Countersunk head bolt M3x20 - 10x Countersunk head boltt M3x18 - 2x Countersunk head bolt M3x9 - 19x Nut M3 Update 2020.07.10 I designed a new schematic and a PCB. https://youtu.be/lfmuN49zcKY
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