Light Bulb

Capturing Current Changes of Light Bulb Using Phyphox and ESP32

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Capturing Current Changes of Light Bulb Using Phyphox and ESP32

Figure 1 Experimental Scene Recently, the author has been using Phyphox and ESP32 to capture the current changes when a light bulb is turned on. However, the current change at the moment the light bulb is turned on is quite rapid, making it difficult to draw an ideal current change graph. WeChat Official Account “Physics … Read more

Using Phyphox and ESP32 Bluetooth to Redraw the I-V Characteristics of a Light Bulb

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Using Phyphox and ESP32 Bluetooth to Redraw the I-V Characteristics of a Light Bulb

Recently, the microcontroller enthusiast has been using Phyphox and ESP32 Bluetooth to redraw the I-V characteristics of a light bulb, continuously changing the experimental parameters in hopes of finding the optimal settings. In one experiment, the enthusiast set the sampling frequency of the ESP32 to 100Hz and slowly adjusted the voltage across the light bulb … Read more