I bought a MicroPython development board from Mouser using forum coins (thanks to the EEworld community and community administrators). One is pycom's wipy3 (using Espressif's ESP32 controller), and th...
Related attachment chumo.gif (5KB) This is a sound and light controlled delay lamp circuit, economical and practical, please discuss the circuit principle. The integrated circuit is a 4081 logic circu...
Vienna rectifier power topology is used in high power three-phase power factor (AC-DC) applications such as off-board EV chargers and telecom rectifiers. The control design of the rectifier can be com...
The 5G era has arrived. This is a rare opportunity. What ideas do you have to share?
My personal opinion on 5G is: I am looking forward to it, but I don’t know how long it will take for ordinary peopl...
Sharing a design by David Baba. Introduction DC-DC converters are often implemented as constant voltage (CV) regulators. The control loop will adjust the duty cycle so that a constant output voltage i...
SC9902 is a high performance, high precision, low cost step-down constant voltage and constant current controller with adjustable output voltage of 5-26V, suitable for non-isolated step-down applicati...