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limchengwei

24 Projects4 Followers1 Following
ST7789 LCD with Arduino Mega and Potential Divider for 3.3V usage
ST7789 LCD with Arduino Mega and Potential Divider
1.3K
A simple and enjoyable slot machine.
Slot machine game
561
小幸运 xiaoxingyun song played using Arduino.
小幸运 xiaoxingyun Arduino Speaker
123
Thank you for sponsoring this project. Please order your PCBs at jlcpcb.com/RAT
Portable 5730 LED Array with Switch
58
星辰大海 song played using Arduino.
星辰大海 xingchendahai Arduino Speaker
23
Arduino PWM uses 0V to 5V square wave. By using a very high resistance resistor and a high capacitance capacitor, we can remove the offset.
Removing DC offset voltage with resistor and capacitor
2.0K
This tutorial we will learn how to use multiple switches and output a single signal to be analogRead by an Arduino.
Multiple switches to single analogRead
161
Thank you JLCPCB for sponsoring this project. Please order your PCB at jlcpcb.com/RAT
Breadboard PCB Sponsored by JLCPCB
56