DSO138 2.4 inch TFT Handheld Pocket-size Digital Oscilloscope Kit DIY

The DSO138 Digital Oscilloscope DIY Kit is an excellent educational tool designed to help hobbyists, students, and electronics enthusiasts build and understand their own digital oscilloscope. This kit provides hands-on experience in assembling, soldering, and troubleshooting electronic circuits, making it perfect for those interested in learning more about electronics and signal analysis. Here’s a detailed description:

Working Principle:
The DSO138 oscilloscope kit operates by capturing electrical signals from circuits and displaying them on a screen for analysis. It uses an ARM Cortex-M3 processor (STM32F103C8) to handle signal processing and display tasks. The oscilloscope can measure and display voltage waveforms, frequency, and other signal properties, which are essential for diagnosing and troubleshooting electronic circuits.

Key Features:
DIY Assembly: Comes as a DIY kit, allowing users to assemble and solder all the components themselves, providing valuable hands-on experience.

2.4-Inch Color TFT Display: Features a 2.4-inch color TFT LCD with a resolution of 320×240 pixels, providing clear and detailed waveform displays.

ARM Cortex-M3 Processor: Powered by the STM32F103C8 ARM Cortex-M3 processor, ensuring efficient signal processing and display.

Real-Time Sampling: Supports real-time sampling rates up to 1Msps (million samples per second), enabling accurate signal capture.

Analog Bandwidth: Offers an analog bandwidth of up to 200kHz, suitable for most educational and hobbyist applications.

Multiple Measurement Functions: Provides various measurement functions, including frequency, period, pulse width, duty cycle, and voltage.

Auto-Setup Function: Includes an auto-setup function for automatically adjusting the display settings to match the input signal.

Compact Size: The assembled oscilloscope is compact and portable, making it easy to use and carry around.

Technical Specifications:
Processor: STM32F103C8 ARM Cortex-M3

Display: 2.4-inch color TFT LCD, 320×240 pixels

Sampling Rate: Up to 1Msps

Analog Bandwidth: Up to 200kHz

Vertical Sensitivity: 10mV/div to 5V/div

Time Base: 10µs/div to 500s/div

Input Impedance: 1MΩ

Maximum Input Voltage: 50V (DC+AC peak)

Power Supply: 9V DC (adapter not included)

Dimensions: Approximately 117mm x 76mm x 15mm (assembled)

Applications:
Educational Projects: Ideal for teaching and learning electronics, signal analysis, and oscilloscope operation in a hands-on manner.

DIY Electronics: Perfect for hobbyists and makers working on custom electronics projects and needing an affordable oscilloscope for testing and troubleshooting.

Prototyping: Provides a useful tool for developing and testing new electronic circuits and prototypes.

Signal Analysis: Used for analyzing and diagnosing signal behavior in various electronic devices and systems.

Repair and Maintenance: Helps in the repair and maintenance of electronic equipment by visualizing signal paths and identifying faults.

Advantages:
Hands-On Learning: Provides a valuable educational experience through DIY assembly and soldering, enhancing understanding of electronics and oscilloscope functionality.

Cost-Effective: Offers an affordable alternative to commercial oscilloscopes, making it accessible to students, hobbyists, and budget-conscious users.

Compact and Portable: Small size and lightweight design make it easy to carry and use in different settings.

Clear Display: The 2.4-inch color TFT LCD provides a clear and detailed view of waveforms and measurements.

Multiple Functions: Includes various measurement functions, enhancing its versatility for different applications.

Limitations:
Assembly Required: Requires soldering and assembly, which may be challenging for beginners or those without soldering experience.

Limited Bandwidth: The 200kHz analog bandwidth may not be sufficient for high-frequency applications, making it more suitable for low to mid-frequency signal analysis.

External Power Supply Needed: Requires a 9V DC power supply, which is not included in the kit.