NRF52832 and NRF52810 Bluetooth dual-mode PAD

Dual-mode Bluetooth numeric keyboard based on NRF52832 & NRF52810.
 
Modification: 2022-6-29 Modified the pcb appearance
 
and function introduction:
1. The main control uses NRF52832 & NRF52810, and the USB chip uses ch554t
2. Use 0807 package ws2812b RGB axis light
3. Use the FPC connector to connect 0.91-inch OLED as a switch The status of the light shows that the OLED small board has w25q64 and can store some things, but there is no SPI driver (dog head).
Small board connection: https://oshwhub.com/wxdw/xiao-deng-lian-jie-qi
4 .The upper left corner supports buttons and knobs
5. Leads to the switch interface
6. Onboard C port, the C port interface has not yet been led out, you can modify
 
the bugs yourself:
1. Unable to enter sleep mode, it wakes up as soon as it is entered, I don’t know why. 2.
You can soft-shut down, but you have to modify the source code, and I don’t know why
. 3. The power consumption may be a bit high
. 4. Other undiscovered bugs---
 
firmware:
1. Use the latest firmware of Mr. Ge, but it has been modified. The source code can be viewed on gitee: https://gitee.com/repair-hook-maintenance/nrf52-keyboard
2. For burning, you can use Teacher Ge’s burning software to burn directly without jlink
3. Since I only compiled 52810 Firmware, so only 52810 is uploaded for the time being, _all contains the protocol stack, _kbd is the core firmware that does not contain the protocol stack
 
shell
1. I made a simple acrylic stack, it is ugly.
 
Others
1. Please help me find out why Unable to enter sleep mode
2. Haven’t thought of it yet