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  1. 里维奥 说:

    在过去的几个月中,我们发布了这些新版本:

    Covid19版本 2.2
    https://www.theremino.com/video-e-notizie/coronavirus#covid19app

    添加了有关UpConverter电源的注释:
    https://www.theremino.com/hardware/adapters#upconverter

    发布Theremino_Geiger版本 6.7
    https://www.theremino.com/downloads/radioactivity#geiger

    Theremino_Spectrometer版本 3.0
    https://www.theremino.com/downloads/automation#spectrometer

    Theremino_MathHelper版本 3.6
    https://www.theremino.com/downloads/uncategorized#mathhelper

    Theremino3D已更新至版本 1.6 现在不再阻止Windows关闭
    https://www.theremino.com/downloads/uncategorized#theremino3d

    Theremino_Gamepad版本 1.4 – 现在也可以使用Force Feedbak (振动)
    https://www.theremino.com/downloads/uncategorized#gamepad

    ImgToGcode V 2.0
    https://www.theremino.com/downloads/automation#imgtogcode

    新的ImgGreyscaleToGcode V应用程序已发布 2.0
    https://www.theremino.com/downloads/automation#imggreyscaletogcode

    MicroVideo 1.6 使缩放由插槽控制
    https://www.theremino.com/downloads/automation#microvideo

    CustomControls V1.7 con ALT, SHIFT和CTRL修改TextBoxes上的变体
    https://www.theremino.com/downloads/uncategorized#customcontrols

    存档已发布 “Theremino专有技术2020”
    https://www.theremino.com/downloads/notes-on-software#tools

    发布了适配器电压
    https://www.theremino.com/hardware/adapters#adaptervoltage

  2. 里维奥 说:

    我们已经发布了有关电池的重要章节.
    https://www.theremino.com/hardware/batteries
    https://www.theremino.com/hardware/batteries#testing

    我们还发现了一种改进超声波距离传感器的方法.
    现在它们还可以用于需要良好稳定性的应用中.
    https://www.theremino.com/hardware/inputs/sensors#bestusound

  3. 里维奥 说:

    我们已经发布了最新版本的离子室.
    https://www.theremino.com/blog/geigers-and-ionchambers/ionchamber-improvements#version7

    这个版本比以前的版本好很多, 更稳定, 更精确,也更易于构建.

  4. 里维奥 说:

    我们有出版的版本 3.8 SlotViewer的:
    https://www.theremino.com/downloads/foundations#slotviewer

    我们有出版的版本 3.4 德尔洛格:
    https://www.theremino.com/downloads/foundations#logger

    我们已经发布了Covid19应用程序 – 版本 2.5
    https://www.theremino.com/video-e-notizie/coronavirus#covid19app

    我们已经发布了SignalScope应用程序 – 版本 2.6
    https://www.theremino.com/downloads/foundations#signalscope

    我们已经发布了终端应用程序 – 版本 2.1
    https://www.theremino.com/downloads/foundations#terminal

    我们已经发布了WaveGenerator应用程序 – 版本 2.1
    https://www.theremino.com/downloads/uncategorized#wavegenerator

    我们已经发布了MathHelper应用程序 – 版本 3.7
    https://www.theremino.com/downloads/uncategorized#mathhelper

    我们已经发布了Theremino_WinHelper应用程序 – 版本 1.0
    https://www.theremino.com/downloads/uncategorized#winhelper

    我们已经发布了Theremino_Spectrometer应用程序 – 版本 3.1
    https://www.theremino.com/downloads/automation#spectrometer

    ====================================
    ==================================== 2021
    ====================================
    ====================================:
    – ==================================== (==================================== 10 千赫)
    – ==================================== (====================================)
    – ==================================== (==================================== “电源选项”)
    – ==================================== (====================================)
    – ==================================== (====================================)

    ====================================:
    https://www.theremino.com/downloads/multimedia#audioanalyzer
    https://www.theremino.com/downloads/uncategorized#theremino3d
    https://www.theremino.com/downloads/uncategorized#winhelper
    https://www.theremino.com/hardware/inputs/meteorology-sensors#meteo
    https://www.theremino.com/applications

    ==================================== (心脏心率变异)
    https://www.theremino.com/downloads/biometry#hrv

    ====================================
    十月 2021
    ====================================
    ====================================
    https://www.theremino.com/downloads/foundations#slotviewer

    ====================================
    ====================================, ====================================.
    https://www.theremino.com/hardware/outputs/motors#servopid

    ====================================
    https://www.theremino.com/video-e-notizie/quantum-gravity

  5. 里维奥 说:

    ====================================
    https://www.theremino.com/hardware/inputs/geology-sensors#metaldetectors

    ====================================, ====================================!
    https://www.theremino.com/downloads/uncategorized#phonometer

    有两个用于创建和解码的新应用程序
    有两个用于创建和解码的新应用程序 (方形标签) 和条码 (条形码)
    https://www.theremino.com/downloads/automation#qrcodes

  6. 里维奥 说:

    有两个用于创建和解码的新应用程序.
    有两个用于创建和解码的新应用程序:
    https://www.theremino.com/blog/comment-page-5#comment-24007

  7. 里维奥 说:

    有两个用于创建和解码的新应用程序
    ——————————————————————————————————————
    有两个用于创建和解码的新应用程序
    ——————————————————————————————————————
    数百项重大改进
    和数以千计的小更正
    ——————————————————————————————————————
    有两个用于创建和解码的新应用程序:
    https://www.theremino.com/downloads/automation
    ——————————————————————————————————————

  8. 里维奥 说:

    我们有出版的版本 7.2 在自动化领域
    https://www.theremino.com/downloads/automation

    有两个用于创建和解码的新应用程序, 包括:
    – 有两个用于创建和解码的新应用程序
    – 有两个用于创建和解码的新应用程序
    – 有两个用于创建和解码的新应用程序.

  9. 里维奥 说:

    有两个用于创建和解码的新应用程序
    有两个用于创建和解码的新应用程序 191.

    https://www.theremino.com/downloads/foundations#iothal

  10. 里维奥 说:

    我们有出版的版本 7.3 在自动化领域
    https://www.theremino.com/downloads/automation

    有两个用于创建和解码的新应用程序, 包括:
    – 有两个用于创建和解码的新应用程序 (页面 15)
    – 阅读 PDF 文档中的新闻.
    – “复制和粘贴”后颜色和光标位置正确.
    – “复制和粘贴”后颜色和光标位置正确.
    – 阅读 PDF 文档中的新闻() 更正 (页面 61)
    – 阅读 PDF 文档中的新闻() (页面 77)
    – 阅读 PDF 文档中的新闻 (页面 90)
    – 页面 57 “复制和粘贴”后颜色和光标位置正确 (阅读 PDF 文档中的新闻).

    “复制和粘贴”后颜色和光标位置正确, “复制和粘贴”后颜色和光标位置正确.

  11. 里维奥 说:

    骆驼更容易进入针眼…
    比进入意大利学校.

    这是中国学校的系统 !
    https://www.theremino.com/introduction/imakerbase

  12. 于尔根·普茨格 说:

    Many thanks for the ion chamber building instructions. I built the ion chamber and used it during a lecture about radon with experiments at the eventsHighlights of Physics 2022 in Regensburg, Bavaria”. If you like you can watch my lecture on youtube:

    https://www.youtube.com/watch?v=YEe69a3kaN0

    I am proofing that radon emanates from Uranium minerals by sucking a few milliliters of air from a jar containing uranium minerals and injecting it into the ion chamber. This yields plenty of impulses that are registered with Theremino Geiger.

    I added a link to the building instructions at the end of my presentation so that anyone interested could build it as well.

    I am in concern however that building it according to the building instructions will not succeed. The high voltege converter did not oscillate before i changed C1 33pF to 3,3nF and R2 100k to 10k. This components connect collector of T2 to base of T1. The current through the orginal components is too low to switch T1 off.

    Could anyone confirm that there is a mistake in the schematics ?

    Best regards from Regensburg
    于尔根 · Putzger

    • 里维奥 说:

      Dear Juergen,
      I designed that scheme and tried it for a long time. Also many copies have already been built and all have always worked well with the schematic components i.e. C1 = 100pF and R2 = 100K

      If it doesn’t work well it is probably due to one of the following causes:
      T1 transistor which is not a BC846B (or similar with Beta of at least 300)
      D1 which is not a 1N4148 but perhaps a 4001?
      Long wire mounting (maybe you haven’t mounted it with SMD components on the PCB recommended by us?
      Diodes from DZ1 to DZ5 which are not MMSZ5270 or similar but with very low loss and low capacitance.
      D3, D4 and D5 different from RS1KL and therefore with too much parallel capacity
      L1 with too much series resistance or with too much capacitance in parallel.
      Supply voltage too low or 3.3 volt regulator defective
      Some defective components.

      此外, even in the SPICE simulations the circuit works perfectly with the values of 100pF and 100K

      此致敬意
      里维奥

  13. 亲爱的维奥,

    thanks for your suggestions. I checked everything. The voltage convertor was built on a printed SMD PCB of your layout. It is version 5 with a single 10V Z-Diode and voltage divider. I used a BC 807 for T1 which has the same current amplification of 200 as the BC 846B. The rectifiers are also RS1KL . The only difference is the coil. I could not obtain the same coil. Its resistance is probably a bit high at 15 Ohms. The coil seems to be critical in that circuit. Maybe the ferrite characteristics and coil capacitance matter even when the inductance is correct.

    Overall I have to say that the PCB is hard to solder because it is smaller than necessary. Some parts are also hard to obtain. They sometimes are a bitexotic”. One has to order from multiple different distributors. For example the FET in the pulse amplifier is no longer available. I simply used an old BF245 with leads that I soldered directly to the amplifier board.

    The Ion chamber is working satisfying now. I want to put it online on opensensemap,org if air humdity does not spoil the operation. I already have a geiger counter online and gamma dose rate rises during each rainfall because radon decay products are washed from the air.

    此致敬意
    克林斯曼

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