This is a simple oscilloscope made with STC8A8K microcontroller. Only need a few components, easy to assemble. Functions can cover simple measurements. This kit aims to build the basic model of the oscilloscope with the simplest principle and as little hardware as possible. The source code is easy to understand. While using the product, it is also very suitable for interested electronics enthusiasts to learn and research.
Kit parameters:
Product Name: MiNi-DSO MCU Oscilloscope Kit
Product model: TJ-56-646
PCB size: 57*34mm
Working voltage: 4-5V
MCU: STC8A8K64S4A12
Display: 0.96 inch OLED display – 7P, 128*64 resolution
Number of channels: single channel
Sec/div: 500ms, 200ms, 100ms, 50ms, 20ms, 10ms, 5ms, 2ms, 1ms, 500us, 200us, 100us (100us is only available in auto trigger mode)
Voltage range: 0-30V
Sampling level: 10kHz@100us/div
Trigger level: trigger voltage level.
Trigger slope: ↑-rising edge, ↓-falling edge trigger
Trigger mode: A-automatic mode, N-normal mode, S-single mode.
Function Description:
1. Trigger level: For repetitive signals, the trigger level can make it display stably. For single-shot signals, the trigger level can be captured.
2. Trigger slope: The trigger slope determines whether the trigger point is on the rising or falling edge of the signal.
3. Automatic mode: continuous scanning. Click the encoder to stop or run sampling. If triggered, the waveform will be shown on the display and the trigger location will be placed in the center of the graph. Otherwise, the waveform will scroll irregularly and “Fail” will be displayed.
4. Normal mode: After the pre-sampling is completed, the signal can be input. If triggered, the waveform is displayed on the display, waiting for a new trigger. If there are no new triggers, the waveform will be retained.
5. Single mode: After the pre-sampling is completed, the signal can be input. If triggered, the waveform is displayed and the sampling is stopped. The user needs a single-point encoder to start the next sampling.
6. In normal mode and single mode, confirm that the trigger level has been adjusted correctly, otherwise the waveform will not be displayed on the display.
7. Indicator light: Usually the indicator light is on to indicate that the sampling is running.
8. Save settings: When exiting the setting interface, all parameters of the setting interface and the main interface will be saved in EEPROM.
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