【Training Camp】Bionic Dog Design

Mechanical dog_v44_2022-06-23-21-01.zip

video_20220711_212730.mp4

PCB_PCB1_2022-11-05.pdf

BOM_Board1_PCB1_2022-11-05.xlsx

Altium_[Training Camp] Bionic Dog Design_2022-11-05.zip

PDF_[Training Camp] Bionic Dog Design_2022-11-05.zip

BOM_Board1_[Training Camp] Bionic Dog Design_2022-11-05.xlsx

61401

#十三级电竞#USB power meter

Introduction: A simple debugging power supply

In the process of learning microcontrollers, we often encounter situations where the power interface of the development board is not enough, so we designed this debugging power supply.
It has a small screen with a size of 0.91, which is convenient for us to see the voltage and current, and
leads to the pin header and 2 USB interface
master control

N32G430C8L7 

61402

Imitation gasket structure 40% low axis mechanical keyboard

Introduction: 40% mini low-axis mechanical keyboard, the main control is Atmega32u2-MU, the PCB structure is changed based on the original author, and the circuit wiring is not modified.

Original author->[https://oshwhub.com/lkaill/40low#P2](https://oshwhub.com/lkaill/40low#P2)

Only modified the pcb shape based on the original author's, and drew the acrylic stacked shell by myself , PCB and shell are extruded with pearl cotton. The screws are m2 type, and the shell drawings are open source and can be modified by yourself.

By the way, the source code light matrix and lighting effects have been modified to support via key changes.

40 columns of data data.txt

keyboard.json

Low40 source code.rar

Low40_default.hex

Acrylic shell.rar

BOM download

PCB_Shell_2022-09-24.pdf

PCB_Shell_2022-09-24.json

Shell_2022-09-24.pcbdoc

Gerber_shell_2022-09-24.zip

PCB_40%_2022-09-24.pdf

PCB_40%_2022-09-24.json

Schematic_Imitation gasket structure 40% low shaft mechanical keyboard_2022-09-24.pdf

SCH_Imitation gasket structure 40% low shaft mechanical keyboard_2022-09-24.json

Sheet_1_2022-09-24.schdoc

61403

NRF52832 and NRF52810 Bluetooth dual-mode PAD

Introduction: A dual-mode small PAD made using Mr. Ge’s firmware. It supports axis lights, connection status display lights, caps lock lights, OLED can display battery power and caps lock status, and supports knobs.

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
 
 

ch554.bin

nrf52810_all.hex

nrf52810_kbd.hex

BOM download

PCB_Shell Overall_2022-09-24.pdf

PCB_Shell Overall_2022-09-24.json

Overall shell_2022-09-24.pcbdoc

Gerber_Shell Overall_2022-09-24.zip

PCB_PCB_Bluetooth Dual Mode PAD_2022-09-24.pdf

PCB_PCB_Bluetooth Dual Mode PAD_2022-09-24.json

PCB_Bluetooth Dual Mode PAD_2022-09-24.pcbdoc

Gerber_PCB_Bluetooth dual-mode PAD.zip

Schematic_NRF52832 and NRF52810 Bluetooth dual-mode PAD_2022-09-24.pdf

SCH_NRF52832 and NRF52810 Bluetooth dual-mode PAD_2022-09-24.json

Sheet_1_2022-09-24.schdoc

61404

Four-axis remote control based on Xiaoma Ge

Introduction: Refer to the project https://oshwhub.com/PQG2030PQG/kai-yuan-si-zhou-yao-kong-qi, and add power switching and charging functions based on it.

1. Modify part
of the PCB shape and add 4 M2 screw holes for easy fixing;
add TP4054 charging function, which lights up when charging and turns off when fully charged;
add power switching function;
the battery uses an ordinary 3.7v rechargeable lithium battery with a 2.54 interface;
Replaced with a sinking plate 1.6 type-c interface.
2. Notes:
The crystal oscillator part uses Murata ceramic crystal oscillator, both 8M and 16M. I use 16M because I still have it in stock. I changed the stm32 to 16M external crystal oscillator. Reference: https://blog.csdn.net/weixin_45381001/article/details/123591026 ;
The PCB layout is relatively random, and there is no problem in current use. Corrections are welcome;
The BOM table is incorrect!
 

BOM download

PCB_Four-axis remote control V1.0_2022-09-24.pdf

PCB_Four-axis remote control V1.0_2022-09-24.json

Four-axis remote control V1.0_2022-09-24.pcbdoc

Gerber_Four-axis remote control V1.0.zip

Schematic_Four-axis remote control based on Xiaoma Ge_2022-09-24.pdf

SCH_Four-axis remote control based on Xiaoma Ge_2022-09-24.json

Four-axis remote control V1.0_2022-09-24.schdoc

61405

PAD screen board

Introduction: https://oshwhub.com/wxdw/lan-ya-shuang-mu-pad oled screen display board with numeric keyboard

A simple ssd1306 small screen
interface: iic
contains w25q64 spi interface
for displaying information with Bluetooth dual-mode pad, PAD connection: https://oshwhub.com/wxdw/lan-ya-shuang-mu-pad
 

BOM download

PCB_PCB_LCD screen board_2022-09-24.pdf

PCB_PCB_LCD screen board_2022-09-24.json

PCB_LCD screen board_2022-09-24.pcbdoc

Gerber_PCB_LCD screen board_2022-09-24.zip

Schematic_PAD screen board_2022-09-24.pdf

SCH_PAD screen board_2022-09-24.json

Sheet_1_2022-09-24.schdoc

61406

UT61E backlight + automatic shutdown

Introduction: UT61E backlight + automatic shutdown serial port switching transformation, saving power and not disturbing the watch

The detailed description has been posted in Digital Home. Please upload the address before editing after review. If you know how to play, you can play with it first.
Everyone is welcome to discuss DIY together. Attached is a small group: 367540898