DSO138 2.4 Inch TFT Handheld Pocket-Size Digital Oscilloscope Kit (Portable DIY Oscilloscope)

The DSO138 2.4 Inch TFT Handheld Pocket-Size Digital Oscilloscope Kit is a compact, portable oscilloscope designed for signal measurement, waveform visualization, circuit debugging, and electronics education. Based on the STM32F103C8 ARM Cortex-M3 processor, it features a 2.4-inch TFT color display that provides real-time waveform analysis in a lightweight handheld format. Supplied as a DIY kit, it offers an excellent learning experience while serving as a practical tool for students, hobbyists, makers, and technicians working with low-frequency electronic signals.

Key Features -

• Compact handheld pocket-size digital oscilloscope

• 2.4-inch TFT color display for waveform visualization

• DIY kit for electronics assembly and learning

• Real-time signal and waveform display

• Single-channel analog input

• Automatic, Normal, and Single trigger modes

• Frequency and waveform parameter display

• HOLD function for waveform capture

• Portable design for field testing and troubleshooting

• Ideal for electronics education and embedded development

Specifications -

• Product type - Digital Oscilloscope DIY Kit

• Model - DSO138

• Main IC / Chipset - STM32F103C8 ARM Cortex-M3

• Display size - 2.4 Inch TFT LCD

• Display resolution - 320 × 240 Pixels

• Input channels - Single Channel

• Analog bandwidth - 0 to 200kHz

• Sampling rate - 1MSPS

• ADC resolution - 12-Bit

• Input impedance - 1M Ohm

• Vertical sensitivity - 10mV/Division to 5V/Division

• Time base range - 10µs/Division to 50s/Division

• Maximum input voltage - 50V Peak-to-Peak (With 1X Probe)

• Power supply - 9V DC Battery or External DC Supply

• Additional features - HOLD Function, Rising/Falling Edge Trigger, Waveform Parameter Display

Applications -

• Electronic circuit debugging

• Signal waveform observation

• Educational electronics laboratories

• Embedded hardware development

• Audio and low-frequency signal analysis

• DIY electronics projects

• Field testing and troubleshooting

• Hobby electronics and repair work