Last time I used I2C to read the CH450 key code. In fact, CH450 provides an interrupt line. When a valid key is pressed, there will be a low-level pulse to notify the controller that I have the produc...
[size=4] Transient interference of voltage and current is the main cause of damage to electronic circuits and equipment, often causing immeasurable losses to people. These interferences usually come f...
Qorvo recently announced its second quarter financial results for fiscal year 2021 ending October 3, 2020, with revenue of $1.06 billion, a 34.6% increase from the previous quarter and a 31.4% increas...
I spent some time playing around with ADS and wrote down some tips to help RFIC designer novices spend less time on it. 1. Installation. ADS2001 can only be installed under WIN2K (I haven't tried 98 a...
Powered by 18650, 3V~4.2V, it needs to be stabilized at 3.3V. However, when not in use, the microcontroller is always in a low-power state of 1uA current. However, the voltage regulator chip 1117 seem...