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CC-BY-SA-4.0

ESP32-C210无线烙铁

ESP32-C210无线烙铁是一款便携自带锂电池供电的无线式恒温电烙铁 使用C210发热芯 最大12W发热功率 支持TYPE-C 充电和烧录程序 支持烙铁温度 电流 电压 功率等参数的测量和显示

功能简介

  1. 支持0℃ ~ 450℃恒温加热调节和校准
  2. TYPE-C接口支持给锂电池充电和程序烧录
  3. 3个常用按键进行模式切换和参数设置 及一键开关机
  4. 0.96寸160*80像素彩色显示屏显示各种参数
  5. 最大12W加热功率和最大2.1A的充电电流支持边充边用
  6. 自动过温保护 自动闲置关机省电 LED辅助照明和蜂鸣器提示等功能

项目属性

  1. 本项目首次公开未曾在别的比赛中获奖,为负熵生之光本人原创 CC BY-SA 4.0 开源项目
  2. 本工程依据 “CC BY-SA 4.0” 许可证进行授权 转载请附上原文出处链接及本声明 如需商用需找原作者进行授权。
  3. 立创开源:https://oshwhub.com/fj956391150/esp32-c210-wireless-soldering-ir
  4. 负熵生之光 2024-7-7

项目进度

  1. 2024年4月 进行ESP32-C210无线烙铁的原理图和PCB设计并打样验证功能
  2. 2024年5月 进行ESP32-C210无线烙铁的外壳1.0结构设计并去立创3D打样验证功能
  3. 2024年6月 进行ESP32-C210无线烙铁的外壳2.0结构设计并去立创3D打样验证功能
  4. 该项目前后一共迭代了2个版本外壳 进行PCB打样 外壳3D打样和购买相关元器件

设计原理

  1. 该项目采用ESP32-C3FH4 作为主控 通过ADC采集烙铁热电偶温度信号控制PMOS开关来控制烙铁温度和加热功率
  2. IP5306芯片用于给锂电池充电和升压放电到5V给C210烙铁供电
  3. GS8331-TR是精密放大器 通过构建同向放大电路来放大C210烙铁芯热电偶温度信号
  4. XB7608AJ用于给锂电池电芯提供过压 欠压 过流 短路等保护功能
  5. LIS3DHTR用于运动检测 判断是否需要进入关机省电模式
  6. TP181A1-CR用于采集给C210烙铁芯供电的电流 用于加热功率控制

功能模式按键

  1. 恒温加热模式:短按K1键来切换待机和工作模式 长按K1键进入关机省电模式 短按K2 K3键对设定目标温度 同时长按K2 K3键切换不同模式
  2. 功能设置模式:短按K1键切换不同的功能设置 长按K1键进入和退出更详细的参数设置界面 短按K2 K3键对 功能进行开或关 参数加或减设置
  3. 校准设置模式:短按K1键切换不同的校准参数 长按K1键进入和退出更详细的参数设置界面 短按K2 K2进对参数进行减或加 开或关设置
  4. 关机省电模式:关机省电模式短按K1键 通电进入恒温加热模式界面 在恒温加热模式界面长按K1键进入进入关机省电模式

恒温加热模式

  1. 通过短按K1键来切换待机和工作模式 短按K2 K3键对设定目标温度 同时长按K2 K3键切换不同模式
  2. 待机中时 只测量烙铁温度 不进行加热
  3. 工作中时 测量烙铁温度 并把烙铁温度加热恒温至设定目标温度
  4. 设定目标温度范围:-99℃~450℃
  5. 烙铁温度测量范围:0℃~450℃ 受温度校准参数影响范围和精度
  6. 当没有检测到任何运动时 开始进行关机省电倒计时 检测到运动重新计时
  7. 当检测到锂电池电压低于3.1V时将进入关机省电模式 当当检测到温度大于65℃ 时进入待机模式

功能设置模式

  1. 短按K1键切换不同的功能设置 长按K1键进入和退出更详细的参数设置界面 短按K2 K3键对 功能进行1开或0关 参数加或减
  2. 最大电流设置: 设置最大加热电流 以防止电流过大拉跨电池电压导致电压过低保护
  3. 工作模式设置: 默认标准加热模式 智能加热模式检测到大焊点会自动+50℃ 进行焊接 目前不太完善
  4. 运动检测设置: 设置加速度检测阈值 给休眠倒计时提供当前状态
  5. 休眠时间设置: 设置1~60分钟的关机省电倒计时 处于静止状态且超过设定时间进入关机省电模式
  6. 屏幕方向设置: 通过短按K2 K3键进对屏幕方向进行设置
  7. 辅助照明设置: 设置LED辅助照明开关
  8. 蜂鸣开关设置: 设置蜂鸣器提示音是否开关
  9. 恢复默认设置: 参数 置1 恢复所有参数的默认值并保存

校准设置模式

  1. 短按K1键切换不同的校准参数 长按K1键进入和退出更详细的参数设置界面 短按K2 K2进对参数进行减或加 开或关设置
  2. 通过外部精准的温度计测量烙铁的真实温度来调整设定温度值让烙铁恒温到要校准的温度值然后按下校准开关来保存对应的烙铁热电偶电压
  3. 校准电压时默认从0℃ 开始校准 把烙铁头放入冰水混合物中 一会后校准 然后逐级校准 500℃可能会超量程
  4. 温度校准最好用专业的温度计 没条件校准 偏差不大也能用
  5. 默认的校准参数是用万用表校准的 不太准 不同厂家的烙铁热电偶电压大概率不同使用前需要校准一遍
  6. 默认0℃ ~ 450℃温度范围测量 但是因为C210烙铁0~ 50℃热电偶温度信号过小导致温度测量偏差过大

软件说明

  1. 此程序基于Arduino IDE开发 源程序和依赖库及 编译好的烧录文件在附件内 该项目提供两种烧录方式 初学者建议用ESP官方工具烧录
  2. 通过ESP官方工具烧录下载烧录 需要安装esp32 flash_download_tool_3.9.5 调入烧录bin文件 配置对应参数下载重启即可
  3. 通过Arduino IDE编译下载烧录 需要安装esp32 开发板和相关库 及选择对应的芯片参数配置 安装包版本:esp32_package_2.0.14
  4. 芯片烧录程序前需要把锂电池焊上 相关硬件焊接正常 然后烧录软件编译配置正确 才能保证正常烧录和运行 相关配置参数附件内
  5. 芯片初次烧录程序时 先插入TYPE-C接口 按下K3键 然后持续按下K1按键上电 再然后松开K3键进入强制下载模式 点击电脑烧录键即可
  6. 强制下载模式烧录成功后需要松开K1键 然后重按一下K1键 重新上电即可 如果电脑提示不烧录成功 重点检查硬件焊接和烧录配置有无问题
  7. 如果烧录成功后出现 没反应 屏幕不显示黑屏或是显示异常 等现象 建议重点检查硬件焊接 屏幕型号和下载参数配置是否正确

硬件装配

  1. EESP32-C210无线烙铁由: PCBA+锂电池+0.96 TFT+俩个外壳+C210烙铁芯 组成
  2. PCB使用嘉立创进行打样 工艺参数选择:FR-4材质 2层板 板厚0.8mm 颜色任选
  3. 锂电池使用102050电芯 容量1000mAh 长50宽20高10mm 最好使用动力电芯才能提供足够的加热功率 普通电芯勉强能用
  4. 外壳用SOLIDWORKS2021设计 嘉立创3D打印 由外壳A和外壳B组成 因两个外壳连接不是很紧密 最好用胶水或胶布加固连接
  5. TFT使用 ST7735S 0.96寸TFT 160*80像素 插接式8PinFPC接口 注意必须用ST7735S驱动
  6. C210烙铁芯使用的是速工的 C210-018刀头烙铁芯 经测量发热电阻:2R左右 0--500℃热电偶信号:0--5mV左右

注意事项

  1. 此项目大量使用0402封装元件 手焊难度较大 建议使用嘉立创SMT 项目难度较高复刻量力而行
  2. 锂电芯电极可以用粗导线焊接到PCB 确定好正负极千万不要焊反 电芯使用不带保护板的降低内阻
  3. 3D打印外壳 尽量选用耐高温的材料 推荐使用高精度的光固化打印机打印耐高温树脂材料
  4. 初次使用可能有些参数不正常 进行恢复默认设置操作一下 进入关机省电模式后IP5306待机电流40uA左右
  5. 该烙铁适合便携小功率焊接场景 高温大焊盘焊接时 最大12W加热功率不够用 建议使用其它大功率烙铁
  6. 该烙铁由于体积限制 只能用1Ah锂电池 最大12W加热功率下理论续航17分钟 正常使用续航30分钟以上 支持边充边用
  7. 当使用普通锂电池且电压过低时将无法提供足够的加热功率且容易触发锂电池低电压保护并关机 建议使用动力锂电池
  8. 元件参数以原理图为准 立创商城没有的上淘宝 相关软硬件资料都在附件内 原理图有备注相关信息
  9. 该项目仅为个人DIY项目 没经过专业的评估和测试 可能有隐藏BUG 谨慎复刻和使用 风险自行承担

实物展示

实物展示1 实物展示2 装配演示 功能演示

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ESP32-C210无线烙铁是一款便携自带锂电池供电的无线式恒温电烙铁 使用C210发热芯 最大12W发热功率 支持TYPE-C 充电和烧录程序 支持烙铁温度 电流 电压 功率等参数的测量和显示 展开 收起
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https://gitee.com/arduino2021/ESP32-C210.git
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ESP32-C210
ESP32-C210无线烙铁
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