HackPad

This is a custom 8-button macropad with a rotary dial along with an OLED display, which was built for the Blueprint mission for Hack Club. So what exactly does this do:

• you get 8 programmable buttons which you can use to customize any shortcuts
• you also get a rotary dial which you can customise ranging from controls such as volume
• the functionali9ty of the OLED screen is to show which key was pressed
• and further you can customize all the buttons useing the config.py file These are the parts needed:
• 1x XIAO RP2040
• 8x Cherry MX switches
• 8x Keycaps
• 1x EC11 Rotary Encoder
• 1x SSD1306 0.91" OLED Display
• 8x 1N4148 Diodes
• M3 screws and standoffs Building Steps:
• to build this, you need to order the pcb's from the Gerber files
• The next step would be to 3d print out the case from the CAD files
• You would then have to solder all of the components together
• You then have to boot up the firmware
• You can then finally plug it in and use Build Of Materials: | Name | Quantity | Price | Total | Link | Notes | | :--- | :---: | :--- | :--- | :--- | :--- | | XIAO RP2040 | 1 | $7.00 | $7.00 | Link | Microcontroller | | Cherry MX Switches | 8 | $1.50 | $12.00 | Link | Mechanical switches | | Keycaps | 8 | $1.00 | $8.00 | Link | 1u keycaps | | EC11 Rotary Encoder | 1 | $2.00 | $2.00 | Link | With push button | | SSD1306 0.91 inch OLED | 1 | $4.00 | $4.00 | Link | I2C 128x32 | | 1N4148 Diodes | 10 | $0.50 | $0.50 | Link | Signal diodes | | M3 Screws and Standoffs | 8 | $1.60 | $1.60 | Link | 10mm length | | PCB Manufacturing | 5 | $15.00 | $15.00 | Link | Order from JLCPCB | | 3D Printing Filament | 1 | $10.00 | $10.00 | Link | PLA for case | | Soldering Iron Kit | 1 | $25.00 | $25.00 | Link | | | Solder Wire | 1 | $5.00 | $5.00 | Link | 60/40 rosin core | | USB-C Cable | 1 | $8.00 | $8.00 | Link | | | TOTAL | | | $98.10 | | |