https://developers.weixin.qq.com/miniprogram/dev/api/device/bluetooth-ble/wx.writeBLECharacteristicValue.html 蓝牙模块示例代码(demo)代码有误，wx.writeBLECharacteristicValue(Object object) 报错10004！！！解决方法：如下 serviceId: this._deviceId, 改为serviceId: this._serviceId wx.writeBLECharacteristicValue({       deviceId: this._deviceId,       serviceId: this._serviceId,       characteristicId: this._characteristicId,       value: buffer,       success (res) {         console.log('writeBLECharacteristicValue success', res.errMsg)       }     })

问题定位：小程序插件 微信版本：7.0.17 基础库：2.12.0