EspoTek Labrador - 超小、USB连接的板上实验室

元器件信息 2022-12-02 16:28 222 0

CrowdSupply上的项目页面
- 官方网站
- 支持Windows、Mac、Linux使用
- 开源
主要功能
- A. 电源输出
- B. 数字输出
- C. 函数发生器输出
- D. 示波器/万用表输入
- E. 逻辑分析仪输入
技术指标
- 示波器(2通道, 750ksps)
  - Sample Rate 750ksps (shared)
  - Bits per Sample 8, 12¹
  - Bandwidth ~100kHz²
  - Input Voltage Range -20V to +20V
  - Input Impedance 1 MΩ
  - No. of Channels 2
  - Coupling AC/DC
- 任意波形发生器 (2通道, 1MSPS)
  - Waveform types Sin, Square, Triangle, Sawtooth, Arbitrary
  - Sample Rate 1Msps
  - Sample Depth 64 samples (CH1), 1500 samples (CH2)
  - Output voltage range 0.15V to 9.5V
  - Bits per Sample 8
  - Max. Current 10mA³
  - Output Resistance 50Ω
  - No. of Channels 2
- 供电电源 (4.5 to 15V, 最高1.5W, 闭环)
  - Voltage Range 4.5V to 15V
  - Max. Power ~1.5W
  - No. of Outputs 1
  - Source Impedance Negligible⁴
  - Ripple Voltage +-300mV%@10V 10mA, +-700mV%@10V 100mA
- 逻辑分析仪(2 通道, 每个通道3MSPS, 并串行解码)
  - Sample Rate 3Msps per channel
  - Supported voltage 3.3V, 5V, 12V
  - No. of Channels 2
- 数字输出
  - Voltage 3.3V
  - Source Impedance 50Ω
- 万用表(V/I/R/C)
  - Input Impedance 1MΩ
  - Measured Parameters V, I, R, C
  - Voltage Range -20V to +20V
  - Current Range 100uA to 10A
  - Resistance Range 1 ohm to 100k
  - Capacitance Range 10pf to 1mf
- 软件可运行的环境 - Windows, OSX, 和Linux（树莓派）、Android
核心器件：ATxmega32A4U
- Low power, high performance 8/16-bit AVR microcontroller featuring 32KB self-programming flash program memory, 4KB boot code section, 4KB SRAM, 1024-Byte EEPROM, external bus interface, 4-channel DMA controller, 8-channel event system, and up to 32 MIPS throughput at 32MHz. The AVR XMEGA A4U series features 44-pin packages.
- The device can be used in a wide range of applications, such as building, industrial, motor, board, and climate control; hand-held battery applications; factory automation; power tools; HVAC; networking, metering, large home appliances, and optical and medical devices.
- Additional Features
  - Nonvolatile program and data memories
  - 32KB of in-system self-programmable flash
  - 4KB boot section
  - 1KB EEPROM
  - 4KB internal SRAM
  - One USB device interface
  - USB 2.0 full speed (12Mbps) and low speed (1.5Mbps) device compliant
  - 32 Endpoints with full configuration flexibility
- 参数
  - Program Memory Type
    - Flash
  - Program Memory Size (KB)
    - 32
  - CPU Speed (MIPS/DMIPS)
    - 32
  - SRAM (B)
    - 4,096
  - Data EEPROM/HEF (bytes)
    - 1024
  - Digital Communication Peripherals
    - 5-UART, 7-SPI, 2-I2C
  - Capture/Compare/PWM Peripherals
    - 16 Input Capture, 16 CCP, 16PWM
  - Timers
    - 5 x 16-bit
  - Number of Comparators
    - 2
  - Number of USB Modules
    - 1, Full Speed
  - Temperature Range (°C)
    - -40 to 85
  - Operating Voltage Range (V)
    - 1.6 to 3.6
  - Pin Count
    - 44
  - Low Power
    - Yes
- 数据手册
软件界面
- 用QT写成
关于板上的Buffer
- Oscilloscope (375ksps, per channel) 1
- Oscilloscope (750ksps) 2
- Logic Analyzer (3Msps, per channel) 1
- Multimeter 2
- All other devices 0
Github上的设计文档
- AVR代码
- 桌面接口
- API
- PCB设计文件
  - 用KiCad设计