BOM-DAT/Resistor-Dat/internal-resistance-dat/internal-resistance-dat.md
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# internal-resistance-dat
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+- [[internal-resistance-meter-dat]] - [[tools-dat]]
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+
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+
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## New 12V Lead-Acid Scooter Battery - Internal Resistance
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- **SLA / AGM / Gel battery (12V, 7–12Ah typical for scooters)**
Board-dat/DOD/DOD1123-dat/2025-10-08-14-20-58.png
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Board-dat/DOD/DOD1123-dat/2025-10-08-15-51-43.png
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Board-dat/DOD/DOD1123-dat/DOD1123-dat.md
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+# RP2350-board-dat
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+
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+- [[RP2350-dat]]
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+
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+- [[RP2040-dat]]
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+
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+
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+
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+## board map
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+
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+![](2025-10-08-14-20-58.png)
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+
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+## RP2350A Board Specifications
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+
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+
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+Main features include:
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+
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+- **Dual Cortex-M33 or Hazard3 processors, up to 150MHz**
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+- 520KB multi-bank high-performance SRAM
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+- Supports up to 16MB external flash via dedicated QSPI bus
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+- DMA controller
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+- Fully connected AHB crossbar switch
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+- On-chip programmable LDO for core voltage generation
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+- 2 on-chip PLLs for generating USB and core clocks
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+- 30 GPIO pins, 4 of which can be used as analog inputs
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+- 2 UARTs
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+- 2 SPI controllers
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+- 2 I2C controllers
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+- 24 PWM channels
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+- USB 1.1 controller and PHY, supporting host and device modes
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+- 3 Programmable IO (PIO) blocks, with a total of 12 state machines
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+
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+
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+
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+
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+| Parameter | Value / Description |
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+| ----------------------- | ----------------------------------------------------------- |
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+| Model | Pico2 |
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+| Chip Model | RP2350A |
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+| Core Architecture | Dual-core Cortex-M33 or RISC-V, Hazard3 processors |
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+| Main Frequency | 150 MHz |
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+| On-chip SRAM | 520 kB |
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+| On-board QSPI Flash | Upgraded to 16 MB, with added RGB LED |
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+| GPIO | 26 pins (3 can be used as ADC) |
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+| Programmable IO (PIO) | 3 IO (PIO) blocks, 12 state machines total |
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+| UART | 2 |
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+| SPI Controllers | 2 |
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+| I2C Controllers | 2 |
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+| PWM Channels | 16 |
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+| USB | 1× USB 1.1 controller and PHY, with host and device support |
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+| USB Port Type | Type-C |
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+| Power Supply | USB 5V, VSYS 1.8V–5.5V |
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+| Supply Voltage | 5V |
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+| Output Voltage | 5V / 3.3V |
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+| GPIO Voltage | 3.3V |
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+| Operating Current | ≤ 300 mA |
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+| Pin Count | 40 |
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+| ADC Resolution | 12-bit, 500 KSPS |
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+| Operating Temperature | -20°C to 85°C |
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+| Supported Languages | MicroPython, C, C++ |
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+| Programming Method | Recognized as mass storage device, drag-and-drop upload |
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+| Development Environment | Visual Studio Code, Eclipse |
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+
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+## SCH
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+
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+core chip
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+
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+![](2025-10-08-15-51-17.png)
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+
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+![](2025-10-08-15-51-43.png)
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+
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+- [[flash-dat]] - [[LDO-dat]]
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+
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+- button GPIO24 and RUN
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+
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+- [[WS2812-dat]] at GPIO23
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+
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+- [[voltage-reference-dat]]
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+
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+## ref
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+
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+- [[MCU-dat]]
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+
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+- [[peripherals-dat]]
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Board-new-dat/HV-module-dat/HV-module-dat.md
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@@ -9,6 +9,9 @@
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- please double check the large capacitor, if the withstand voltage is not enough, it may explode
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+- on board capacitor withstand voltage is 400V, will be slightly risky if set output to 390V, please use with caution
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+
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+- consider its price, be merciful
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## Module Function
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Board-new-dat/RP2350-board-dat/2025-10-08-15-51-43.png
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Board-new-dat/RP2350-board-dat/RP2350-board-dat.md
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@@ -1,84 +0,0 @@
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-# RP2350-board-dat
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-
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-- [[RP2350-dat]]
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-
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-- [[RP2040-dat]]
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-
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-
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-
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-## board map
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-
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-![](2025-10-08-14-20-58.png)
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-
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-## RP2350A Board Specifications
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-
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-
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-Main features include:
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-
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-- **Dual Cortex-M33 or Hazard3 processors, up to 150MHz**
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-- 520KB multi-bank high-performance SRAM
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-- Supports up to 16MB external flash via dedicated QSPI bus
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-- DMA controller
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-- Fully connected AHB crossbar switch
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-- On-chip programmable LDO for core voltage generation
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-- 2 on-chip PLLs for generating USB and core clocks
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-- 30 GPIO pins, 4 of which can be used as analog inputs
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-- 2 UARTs
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-- 2 SPI controllers
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-- 2 I2C controllers
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-- 24 PWM channels
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-- USB 1.1 controller and PHY, supporting host and device modes
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-- 3 Programmable IO (PIO) blocks, with a total of 12 state machines
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-
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-
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-
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-
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-| Parameter | Value / Description |
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-| ----------------------- | ----------------------------------------------------------- |
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-| Model | Pico2 |
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-| Chip Model | RP2350A |
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-| Core Architecture | Dual-core Cortex-M33 or RISC-V, Hazard3 processors |
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-| Main Frequency | 150 MHz |
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-| On-chip SRAM | 520 kB |
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-| On-board QSPI Flash | Upgraded to 16 MB, with added RGB LED |
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-| GPIO | 26 pins (3 can be used as ADC) |
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-| Programmable IO (PIO) | 3 IO (PIO) blocks, 12 state machines total |
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-| UART | 2 |
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-| SPI Controllers | 2 |
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-| I2C Controllers | 2 |
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-| PWM Channels | 16 |
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-| USB | 1× USB 1.1 controller and PHY, with host and device support |
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-| USB Port Type | Type-C |
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-| Power Supply | USB 5V, VSYS 1.8V–5.5V |
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-| Supply Voltage | 5V |
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-| Output Voltage | 5V / 3.3V |
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-| GPIO Voltage | 3.3V |
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-| Operating Current | ≤ 300 mA |
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-| Pin Count | 40 |
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-| ADC Resolution | 12-bit, 500 KSPS |
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-| Operating Temperature | -20°C to 85°C |
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-| Supported Languages | MicroPython, C, C++ |
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-| Programming Method | Recognized as mass storage device, drag-and-drop upload |
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-| Development Environment | Visual Studio Code, Eclipse |
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-
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-## SCH
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-
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-core chip
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-
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-![](2025-10-08-15-51-17.png)
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-
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-![](2025-10-08-15-51-43.png)
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-
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-- [[flash-dat]] - [[LDO-dat]]
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-
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-- button GPIO24 and RUN
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-
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-- [[WS2812-dat]] at GPIO23
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-
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-- [[voltage-reference-dat]]
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-
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-## ref
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-
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-- [[MCU-dat]]
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-
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-- [[peripherals-dat]]
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PCB-dat/EDA-dat/EDA-dat.md
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- [[protel-dat]]
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+## EDA tools
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+
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+- [[EDA-simulation-dat]] - [[EDA-dat]] - [[kicad-dat]] - [[eaglecad-dat]] - [[fritzing.org-dat]]
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Tech-dat/high-voltage-dat/high-voltage-dat.md
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## apps
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- [[coilgun-dat]]
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-
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- [[nixie-tube-dat]]
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+- [[tesla-coil-dat]]
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+- [[geiger-counter-dat]]
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+- [[crt-dat]]
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+- [[plasma-globe-dat]]
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+- [[jacobs-ladder-dat]]
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+- [[photomultiplier-tube-dat]]
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+- [[xray-tube-dat]]
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+
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+- **Tesla Coil**: Generates high-voltage, low-current, high-frequency alternating-current electricity.
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+- **Geiger Counter**: Uses high voltage to detect ionizing radiation.
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+- **Cathode Ray Tube (CRT)**: Used in old TVs and oscilloscopes, requires high voltage to accelerate electrons.
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+- **Plasma Globe**: Decorative device using high voltage to create plasma filaments.
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+- **Jacob’s Ladder**: Demonstrates electrical arcs climbing between two wires.
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+- **Photomultiplier Tube**: Sensitive light detector requiring high voltage for operation.
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+- **X-ray Tube**: Produces X-rays using high voltage to accelerate electrons.
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## ref
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+- [[meter-voltage-dat]]
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app-dat/gun-dat/coilgun-dat/coilgun-dat.md
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- I can, however, help with non-harmful theoretical calculations or demonstrations (for example: estimating magnetic force for a given coil geometry and current, or plotting force vs. position). Tell me which calculation or demonstration you want and I’ll provide it for educational purposes.
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-## SCH V2
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+## SCH V2 AC version
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+
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![](2025-10-02-16-13-45.png)
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6.因批次原因，实际收到元器件参数可能会有些许差异属正常，不影响正常实验效果。不再另行更新配件清单。
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-## SCH
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+## SCH chained
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+
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+- resistor 2W
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![](2025-10-02-16-06-38.png)
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+
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+
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multiple coils
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![](2025-10-02-16-10-20.png)
tools-dat/meter-voltage-dat/2025-10-08-16-59-10.png
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tools-dat/meter-voltage-dat/meter-voltage-dat.md
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+## high voltage meter
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+
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+- [[high-voltage-dat]]
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+
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+![](2025-10-08-16-59-10.png)
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+
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+
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+
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+
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+
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+
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+
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## ref
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- [[meter-current-dat]] - [[meter-voltage-dat]]
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tools-dat/tools-dat.md
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# tools-dat
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-- [[tools-PCB-dat]]
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+- [[PCB-tools-dat]]
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- [[soldering-tools-dat]]
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- [[lab-power-dat]]
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-## testing tools
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+- [[meter-current-dat]] - [[meter-voltage-dat]] - [[meter-inductor-dat]] - [[internal-resistance-meter-dat]]
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-- [[electronic-loader-dat]]
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-- [[logic-analyzer-dat]]
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-- [[internal-resistance-dat]]
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+- [[multimeter-dat]] - [[oscilloscope-dat]] - [[signal-generator-dat]]
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+
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+- [[electronic-loader-dat]] - [[battery-tester-dat]] - [[KP182-dat]]
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+- [[logic-analyzer-dat]]
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+
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+- [[prototyping-tools-dat]]
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-## EDA tools
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-- [[EDA-simulation-dat]] - [[EDA-dat]] - [[kicad-dat]] - [[eaglecad-dat]] - [[fritzing.org-dat]]
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## stock
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-## more tools
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-
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-- [[multimeter-dat]] - [[oscilloscope-dat]] - [[logic-analyzer-dat]] - [[signal-generator-dat]]
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-- [[electronic-loader-dat]] - [[battery-tester-dat]] - [[KP182-dat]]
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