Simple digital wireless BLE oscilloscope
DIY simple BLE digital oscilloscope Cheap and simple DIY bluetooth low energy digital oscilloscope made with JDY-08 BLE module and STM8S103 module and Li ION battery . Android application is developed to display oscilloscope data. STM8S103 is 8-bit microcontroller with 1024 bytes RAM and 8 kbytes Flash memory . It stores 300 samples of 10 bit ADC data to RAM memory . Minimum sampling period is 5 us ( 200 kSamples/s ). ADC data is sent trough BLE lin k to Android smartphone application . Circuit diagram