The 8266 main control combines the control panel and heating part into one. There is a three-color light on the front, normal green, red for heating and blue for heat preservation. arduino is developed with the blinker library. It is very simple. The ready-made one is infinitely better than building an mqtt server by yourself. The d4184mos tube is used for isolation, 5V input, the heating wire resistance is about 1.2 ohms, and the total power is about 20w, which is enough to heat water to 50 or 60 degrees for drinking. Mobile app control.
Update: Do not use this mos tube. Most of the ones sold on the market are domestically produced. The ttl level cannot be turned on reliably and the internal resistance is too large. If you are able to do it yourself, replace the mos tube with a lower conduction vgs.
2022.2 update: I have changed what I said above, but I am too lazy to test it, so some kind-hearted people will try it.
![$)8~}D7YINCY@DI45E9QTW3.jpg]
jiarebeidian.ino
BOM download
PCB_PCB_Heated coaster two-in-one version_2022-09-24.pdf
PCB_PCB_Heated coaster two-in-one version_2022-09-24.json
Schematic_esp8266 heated coaster_2022-09-24.pdf
SCH_esp8266 heated coaster_2022-09-24.json
Controlled heating two-in-onecopy_2022-09-24.schdoc
61360
windows hello module adapter board
Introduction: windows hello
The purchase link at that time did not have a microphone [Taobao] https://m.tb.cn/h.fJtqrfV?tk=JJFs288zg0C "Windowshello camera module associated with Dell 0jcxg0"
BOM download
PCB_PCB_winhellow_3_2022-09-24.pdf
PCB_PCB_winhellow_3_2022-09-24.json
PCB_winhellow_3_2022-09-24.pcbdoc
Gerber_PCB_winhellow_3.zip
Schematic_windows hello module adapter board_2022-09-24.pdf
SCH_windows hello module adapter board_2022-09-24.json
Sheet_1_2022-09-24.schdoc
61361
Hongmeng smart WIFI switch
Introduction: Smart WIFI switch
Realize intelligent control of home bedroom switches
VID_20220406_175710.mp4
BOM download
PCB_PCB_exam P1_2_2022-09-24.pdf
PCB_PCB_exam P1_2_2022-09-24.json
PCB_exam P1_2_2022-09-24.pcbdoc
Gerber_PCB_exam P1_2.zip
Schematic_Hongmeng Smart WIFI Switch_2022-09-24.pdf
SCH_Hongmeng Smart WIFI Switch_2022-09-24.json
Sheet_1_2022-09-24.schdoc
61362
#四级立创竞技#Servant treasure - the little attendant who is always on call.
Introduction: Application of DAC waveform synthesis technology
注：*为必填项。
【请在报名阶段填写 ↓】
* 简要介绍作品：
随着智能手机的普及，对出差人员或酷爱玩手机的人而言，充电宝已成了手机的标配，如此普及的东西却功能单一，为其增加附加的功能已成无数开发者思考的问题。社会在发展，节奏在变快，时常出差在所难免，我也曾出过差，心知出差的辛苦，走的腿软，站的腰疼，背包背的肩酸，总希望在疲惫的时候有人伺候伺候，从这点出发，充电宝增加按摩理疗功能可很好的缓解这类人群的痛点，从市场前景而言，充电宝使用人群广，增加按摩理疗功能又可以解决特定人群的痛点，若有一款售价与普通充电宝相同，却又有按摩理疗功能，想必必成卖点，因为它已经不再是简单的“充电宝”，而是增加按摩理疗功能的“伺候宝”。
【请在竞赛阶段填写 ↓】
* 一、作品详情；
1.作品的图片展示：
PCB正面截图
![image.png]
PCB背面截图
![image.png]
PCB外壳结构图
![image.png]
PCB外壳结构散件图
![image.png]
2.作品的功能描述：
升级版的充电宝功能当然是包括5V输入充电、5V输出供电和手电筒功能了，其次在充电宝三个基本功能基础上增加按摩理疗功能，按摩理疗功能单元包括LED档位和模式状态显示、调节设置按键、理疗信号输出三个部分。
3.作品的按摩理疗功能实现原理：
按摩理疗功能的实现是由单片机的DA产生不同的理疗电信号脉冲，我这里主要是用中频段脉冲来实现，单片机输出的模拟脉冲经过功放放大和变压器隔离升压输出，通过导联线将信号引到按摩部位的湿电机片上，作用于人体按摩部位，在有规律的中频电脉冲的刺激下，促进人体局部范围内的细胞活性，加速细胞新陈代谢，使人快速消除疲劳，恢复状态。
* 二、描述作品所面临的挑战及所解决的问题；
面临的挑战：
充电宝是最常见的事物，他的使用方法及功能形态已经在人们的主观意识中定型，在充电宝这个产品上做产品开发文章，首先要应对的就是人们的主观接受度，其次是用户的使用成本高低，因此在这个充电宝升级版的设计项目（我管它叫“伺候宝”项目）中，我一直持有的设计理念是：
**对人类已经熟知的事物（充电宝）在不改变其基本使用功能，少许增加制造成本，做一次功能性的升级，让带着充电宝走南闯北的朋友们时刻享受到家人的伺候。**
解决的问题：
1.在产品器件选型及设计时已经考虑成本，目标将成本控制在百元内，就目前样品制作而言已经达到预期。
2.增加的理疗功能，为长期带着充电宝出差的人们提供了增值服务，一定程度上解决他们身体上的疲劳问题。
* 三、描述作品硬件、软件部分涉及到的关键点；
工作中自己很少画PCB，大神一看我的PCB就知我不是行家，确实如此，平时主要搞软件和产品结构设计，当然工作之余自己也会有些个人兴趣和想法，做些电子产品的研究。最近一直在研究网上开源的小四驱无人机，原本也准备用无人机参赛，可一直卡在起飞阶段，因而宁时改变方案，选用自己近期做过样品并已经实现功能的项目参赛，也是独家完成的“充电宝+理疗”的电子产品，我管它叫“伺候宝”，伺候宝不是因为工作需要，也不是因为客户定制，而是因为我们同样都有理想，有追求，敢于尝试，勇于创新而诞生的一个电子产品，相对资料要齐全些，产品功能也实现不少，我会在这里对关键部分做介绍。 原理图和PCB设计我用的是自己习惯的AD13环境，当然都已经成功导入到立创EDA环境中，分享给大家
PCB工程连接：[https://lceda.cn/editor#id=|29e81b8e1e234244804edf4b8e0a2bd0|391eeb6f45e44dba82e88fec94b57b7f](https://lceda.cn/editor#id=%7C29e81b8e1e234244804edf4b8e0a2bd0%7C391eeb6f45e44dba82e88fec94b57b7f)
![image.png]
用的是STM32F103RCT6处理器，处理器软件主要实现按键检测、电机振动、LED灯状态指示、开关机、电量检测、充放电状态检测、手电功能、串口通信、以及理疗波形算法处理、波形输出、按摩理疗模式处理等功能。
![image.png]
充放电接口、手电筒LED及电量采集电路。
![image.png]
这是理疗功能的核心电路，主要实现单片机输出的波形放大和滤波，这里用的是音频功放芯片，结构上是要考虑散热，功能上主要是滤波，对单片机输出信号的放大倍数并不是很高。高频变压器实现输出电压的拉高，因而是波形放大的关键元件，模拟开关芯片可有效的切断按摩信号的输出，可有效的断开信号输出，避免因状态切换或档位切换引起的尖端脉冲电信号刺激到人体。
![image.png]
工程目录结构图如上，在工程中USERmassage.c文件是实现理疗信号输出的文件，我会在最后文档上传部分分享给大家。软件在实现模拟电理疗信号输出是要考虑的波形信号的能力，要用中频脉冲波输出。其次要通过单片机的DAC调节输出波形的幅度，以适应不同体质人群的应用。
* 四、作品材料清单；
1配件：
2.5mm的耳机接头心电导联线和心电电极片（网购）
2外壳：
3个PCB的安装结构部件，外壳体、接口挡板和按键帽（3D打印）
3 电池：
这里我选用的是3.7V 3200mAh的锂电池（网购）
4 PCB的BOM清单（立创商场网购），也可参考分享的工程文件。
| 1 | STM32F103RCT6 | U1 |
| 2 | 0603电容100nF 10% 16V | C3,C1,C4,C11,C10,C8,C22 |
| 3 | 0805电容22uF 10% 16V | C12,C5,C6,C21,C18,C17,C16,C13,C14,C23,C20 |
| 4 | 0603电阻2R 1% 6.3V 1/10W | R9,R44 |
| 5 | CON6-2.0 | J1 |
| 6 | C103 | C7,C9 |
| 7 | 0603电阻10K 1% 16V 1/10W | R8,R3,R1,R2,R14 |
| 8 | USB-A | USB\_OUT1 |
| 9 | USB-A | USB\_IN1 |
| 10 | PH2.0插座针座2P | J3 |
| 11 | 1.8nH | L1,L2 |
| 12 | SOD-123 1N4007 F7 1A 1KV | D1,D37,D38,J4-2 |
| 13 | SOT23-6 SX1308 B628 | J2,J5 |
| 14 | SS34贴片肖特基二极管1N5822 | D2,D4 |
| 15 | 0805贴片快恢复保险丝3A | F2 |
| 16 | 0603电阻75K 1% 6.3V 1/10W | R6 |
| 17 | 0603电容15pF 10% 16V | C2,C15 |
| 18 | 0603电阻220R 1% 6.3V 1/10W | R5,R15,R43 |
| 19 | 5MM圆头白色发光二极管 | D3 |
| 20 | 0805电阻51R 1% 6.3V 1/4W | R7 |
| 21 | 0603电阻2K 1% 6.3V 1/10W | R11,R4,R10,R17,R18,R19,R20,R21,R22,R23,R24,R25,R26,R29,R30,R36,R39,R42,R35,R38,R41,R46,R47,R49 |
| 22 | SOT-23 SI2306 A6SHB | Q2,Q1,Q3,Q4,Q5,Q6,Q7,Q8 |
| 23 | 0805贴片快恢复保险丝1A | F1 |
| 24 | 5.2*5.2*1.5防水贴片开关 | S1,S2,S3,S4 |
| 25 | PJ234 PJ234A贴片式耳机插座口径2.5mm | PI\_OUT1 |
| 26 | 0603电阻10R 1% 16V 1/10W | R40 |
| 27 | 0805电容10uF 10% 16V | C19 |
| 28 | TDA2030a | U3 |
| 29 | 0603电阻100K 1% 16V 1/10W | R34,R32,R37 |
| 30 | 0603电阻4.7K 1% 16V | |
| 1/10W | R27 | |
| 31 | 0603电阻20K 1% 16V 1/10W | R28 |
| 32 | 50V/100U | E1 |
| 33 | 50V/470U | E2 |
| 34 | 0603电阻240K 1% 16V 1/10W | R16 |
| 35 | SP6201EM5-3.0 | U2 |
| 36 | R512 | R12,R13 |
| 37 | 0603亿光蓝色 | D5,D13,D21,D29,D6,D14,D22,D30,D7,D15,D23,D31,D8,D16,D24,D32,D9,D17,D25,D33,D10,D18,D26,D34,D11,D19,D27,D35,D12,D20,D28,D36 |
| 38 | 0603亿光绿色 | D40,D42,D39,D43,D41,D45 |
| 39 | 0603亿光黄色 | D44 |
| 40 | 0408贴片小马达4*8MM | J7 |
| 41 | 1.8nH | L3 |
| 42 | SOP4 AQY210S | U4 |
| 43 | 0603电阻1K 1% 50V 1/10W | R31,R48 |
| 44 | 10R | R45 |
| 45 | CON1 | TOP |
| 46 | BT2.0 | U5 |
* 五、作品图片上传；（PCB上须有大赛logo标识并拍照上传，若无视为放弃参赛）
1、焊接好的的电路板和3D打样回来的配件
![image.png]
2、伺候宝给手机充电
![image.png]
3、通过USB接口给伺候宝充电
![image.png]
4、手电照明功能
![image.png]
5、理疗功能
![image.png]
6、伺候宝组装好的样品
![image.png]
* 六、演示您的作品并录制成视频上传；（视频内容须包含：作品介绍；功能演示；性能测试；PCB上大赛logo标识特写镜头，若无视为放弃参赛）
伺候宝视频0 使用过程演示 [https://v.youku.com/v\_show/id\_XNDM2Mzk3NjU4OA==.html?spm=a2h3j.8428770.3416059.1](https://v.youku.com/v_show/id_XNDM2Mzk3NjU4OA==.html?spm=a2h3j.8428770.3416059.1)
[伺候宝视频1 功能简介](http://v.youku.com/v_show/id_XNDM2MTI5OTMzNg==.html?spm=a2h3j.8428770.3416059.1 "伺候宝视频1 功能简介") [https://v.youku.com/v\_show/id\_XNDM2MTI5OTMzNg==.html?spm=a2h3j.8428770.3416059.1](https://v.youku.com/v_show/id_XNDM2MTI5OTMzNg==.html?spm=a2h3j.8428770.3416059.1)
[伺候宝视频2 充放电功能](http://v.youku.com/v_show/id_XNDM2MTI5OTMyNA==.html?spm=a2h3j.8428770.3416059.1 "伺候宝视频2 充放电功能")[https://v.youku.com/v\_show/id\_XNDM2MTI5OTMyNA==.html?spm=a2h3j.8428770.3416059.1](https://v.youku.com/v_show/id_XNDM2MTI5OTMyNA==.html?spm=a2h3j.8428770.3416059.1)
[伺候宝视频3 理疗按摩功能](http://v.youku.com/v_show/id_XNDM2MTI5OTM3Ng==.html?spm=a2h3j.8428770.3416059.1 "伺候宝视频3 理疗按摩功能")[https://v.youku.com/v\_show/id\_XNDM2MTI5OTMyNA==.html?spm=a2h3j.8428770.3416059.1](https://v.youku.com/v_show/id_XNDM2MTI5OTMyNA==.html?spm=a2h3j.8428770.3416059.1)
七、开源文档。
资料全部开源，仅供学习研究，未经本人许可，不得用于商用。
PCB外壳结构图.rar
PI-17d - V3.4 原理图（我在立创EDA中有共享工程图）.SchDoc
PI-00017a PCB图（我在立创EDA中有共享工程图）.PcbDoc
伺候宝视频1 功能简介.mp4
伺候宝视频2 充放电功能.mp4
伺候宝视频3理疗按摩功能.mp4
STM32f103RC CiHouBao V1.0.rar
BOM下载
Schematic_#第四届立创大赛#伺候宝——时刻待命的小侍从_2022-09-24.pdf
SCH_#第四届立创大赛#伺候宝——时刻待命的小侍从_2022-09-24.json
PI-17d - V3 原理图_2022-09-24.schdoc
PCB_PI-00017A 电路板_2022-09-24.pdf
PCB_PI-00017A 电路板_2022-09-24.json
PI-00017A 电路板_2022-09-24.pcbdoc
Gerber_PI-00017A 电路板.zip
61363
AI01语音红外遥控器
简介：本次设计涂鸦智能AI语音万能遥控器，是使用涂鸦零代码免开发方案之VWXR2-ES在线语音模组为主控核心设计方案；
BOM下载
PCB_AI01 PCB备份_2022-09-24.pdf
PCB_AI01 PCB备份_2022-09-24.json
AI01 PCB备份_2022-09-24.pcbdoc
Gerber_AI01 PCB备份.zip
PCB_PCB_AI01_2022-09-24.pdf
PCB_PCB_AI01_2022-09-24.json
PCB_AI01_2022-09-24.pcbdoc
Gerber_PCB_AI01.zip
Schematic_AI01语音红外遥控器_2022-09-24.pdf
SCH_AI01语音红外遥控器_2022-09-24.json
SCH_AI01_2022-09-24.schdoc
61364
基于DRV8301与STM32F4的FOC驱器四层板
简介：本人设计水平有限，大小10cm*10cm的四层PCB，驱动芯片是DRV8301，MCU是STM32F407ZGT6，第一次画驱动，第一次画四层PCB，纯属为了毕业，性能不要妄想，给各位批评，做反面案例
1.只是个单驱，支持20V—30V的电源输入，可以驱动24v三相无刷电机；
2.用的芯片优点奢侈，这个驱动器缺点很多；
3.加了AS5600和HALL的接口；
4.目前测试了驱动24V，电流到10A好像没啥问题；
5.为了防止炸管炸mos，烧芯片，加了一堆没有啥太大用的MOS和自恢复电阻；
6.各位大佬轻轻喷，真的是个新的不能再新的新手画的。
ProProject_focDrive1_2022-04-26.zip
IMG_1466.mp4
IMG_1467.mp4
IMG_1468.mp4
IMG_1469.mp4
61365
#第七届立创电赛#N32G430闹钟
Introduction: (1) Weather clock: Displays the current date, time, weather conditions and three-day weather forecast on the LCD.
(2) Alarm clock: After setting the alarm time, when the alarm time is reached, the buzzer will sound and last for one minute.
(3) Small fan: After pressing button 4, the motor rotates.
* 1. Project function introduction
(1) Weather clock: Display the current date, time, weather conditions and three-day weather forecast on the LCD.
(2) Alarm clock: After setting the alarm time, when the alarm time is reached, the buzzer will sound and last for one minute.
(3) Small fan: After pressing button 4, the motor rotates.
*2. Project attributes
ESP8266 weather clock part code reference: oled weather clock - Jialichuang EDA open source hardware platform (oshwhub.com)
The rest is written by myself. The project has not participated in competitions or defenses.
* 3. Open source agreement
GPL3.0
* 4. Hardware part
(1), main control MCU: N32G430C8L6, ESP8266
(2), program download and debugging: H3 pin header on the PCB, from left to right are SWCLK, SWDIO, GND , VCC, RX, TX; SW1 on the PCB is reset, SW2 is boot selection
(3), N32G430C8L6 and ESP8266 use serial communication, and ESP8266 can be directly connected to the H3 pin header (ESP8266 uses a module bought on Taobao) <required Note that ESP8266 also uses a serial port to download the program, so you must first download the 8266 program into the ESP8266 before connecting it to the N32 >
(4) For power supply, you can use the data line of the TYPE-C port, which is converted to 3.3V by AMS1117 and then supplied to the main control MCU
(5), there are four buttons on the board, connected to PB6, 7, 8, 9. When using, you need to use a jumper cap (or Dupont wire) to short-circuit H9101112 before it can be used normally; two LED lights are connected PD12, 13
(6) and H4, 6 are the LCD screen interfaces. Whichever one you use can be used to solder which one. Please note that when buying female headers, you must buy the right ones. The female headers cannot be used together like two pin headers. Don’t learn from it. Me, I just bought a two-pin female header and found that it couldn’t be soldered, so I used a pin header>
(7). Only soldering the MCU, crystal oscillator circuit and power supply circuit can be used as a minimum system board
*5. Software Part
(1), usart_proc(): Use the serial port reception interrupt. When receiving '
', it means that a reception is completed. Set UsartFlag to 1, and then perform corresponding data processing according to the received content.
(2), key_proc(): Key scan Function, when button 1 is pressed, the alarm clock setting is entered. At this time, the hours will increase if the button is pressed for 2 years, and the minutes will increase if the button is pressed for 3 years. Press button 1 again to exit the alarm clock setting, and store the alarm clock data in the EEPROM; press Button 4 switches the motor running state
(3), LCD_proc(): LCD screen display function
(4), GPIO.c GPIO.h: GPIO pin definition and initialization file
(5), LCD part: The LCD uses a 3.5-inch TFT-LCD (ILI9488 software emulation SPI driver), you need to add LCD.cLCD.hGUI.cGUI.hfont.h to the project when using it (in order to prevent repeated inclusion errors, do not #include "font.h" in main.c ), the LCD screen uses RGB-24-bit color. When using picture modulation, you must pay attention
to calling void Paint_Bmp1(int x0,int y0,const unsigned char bmp[],u32 color,u32 bc when using monochrome modulation. ); call the function void Lcd_Draw_Num32(uint16_t x, uint16_t y, uint32_t fc, uint32_t bc, uint16_t num, uint8_t len); you can display the digital tube font, use void Show_Str(u16 x, u16 y, u32 fc, u32 bc, u8 * str, u8 size, u8 mode); can display Chinese and English characters (need to be in the font library); Chinese character modulo adopts horizontal modulo C51 format; change #define USE_HORIZONTAL (line 108) in LCD.h to change the LCD Display direction
6. BOM list
Note: BOM list involved in the project. Please upload a screenshot of the BOM at this location. Please upload the list details in PDF format to the attachment. Suggestions include model, brand, name, packaging, procurement channels, usage, etc. The specific content and form should be based on clearly expressing the project composition.
7. Contest LOGO verification
8. Demonstration video
BOM table.xlsx
Program source code.zip
Demo video.mp4
Character image modeling software.zip
PCB_PCB1_2022-11-05.pdf
BOM_Board1_PCB1_2022-11-05.xlsx
Altium_#The Seventh Lichuang Electric Competition#N32G430 Alarm Clock_2022-11-05.zip
PDF_#The Seventh Lichuang Electric Competition#N32G430 Alarm Clock_2022-11-05.zip
BOM_Board1_#The 7th Lichuang Electric Competition#N32G430 Alarm Clock_2022-11-05.xlsx
61366
15v power amplifier
Introduction: A power amplifier circuit with a power supply voltage of 15v connected to a speaker with a power of 10w and a resistance of 10R
The input signal is input from the port input end, and passes through the resistor voltage dividing system. The 1kR resistor provides a bias for the base stage of the triode, and then enters the common emitter amplifier circuit, and then passes through a Vbe multiplier. Note that it needs to pass through the second triode. The Ib of the base should be much smaller than the current I passing through the voltage doubler, and then go through a push-pull circuit. Two 0.5R resistors to prevent thermal breakdown are connected to the emitter, and the final output
video_20220715_192342.mp4
BOM download
PCB_PCB_15v power amplifier_2022-09-24.pdf
PCB_PCB_15v power amplifier_2022-09-24.json
PCB_15v power amplifier_2022-09-24.pcbdoc
Gerber_PCB_15v power amplifier.zip
Schematic_15v power amplifier_2022-09-24.pdf
SCH_15v power amplifier_2022-09-24.json
Sheet_1_2022-09-24.schdoc
61367
electronic
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