Digital IQ modulation is widely used in wireless communication systems due to its advantages such as high data rate and easy implementation. Different from traditional analog modulation, digital modul
With this guide from John Park you can build a four-slider + four-keyswitch input box to control Lightroom (or any MIDI or USB HID application). Reconfigurable using CircuitPython running on a Feather
DHT22 (AM2302) is a calibrated digital temperature and humidity sensor used to detect ambient temperature and humidity, with a standard single businterface. It has higher accuracy and a larger range t
Finally, it can be disassembled. Here are the pictures.
Open the battery cover and you can see a little glue, which will be introduced later.For the power connection, two batteries are connected in se