【Teardown】RC732 -DVR 7" LCD 5.8 GHZ (How to reset)

 RC732 -DVR  is application for FPV,monitor....
Green Led of RC732 -DVR always light and reboot faild today.
We have to reset because of  sometime crash.

【DIY】AC 110 v to DC 5v transfer board with mobile phone charger

How to make  transfer board that AC 110 v to DC 5v  from  mobile phone charger?

How to control LED with Arduino and MOSFET (SiHP10N40D)

We control LED with MOSFET(Metal-Oxide-Semiconductor Field-EffectTransistor )(SiHP10N40D)

How to control LED with Arduino and npn transistor (C1815)

The C1815  NPN transistor ,from left to right are the E (emitter), C(collector).B(base)

【IOT】How to ESP8266 upload code with Arduino IDE (Example: Blink)

How to ESP8266 upload code with Arduino IDE

• Download the Arduino IDE.
•  Go File --> Preferences and add the link http://arduino.esp8266.com/stable/package_esp8266com_index.json to the Additional Boards Manager URLS.
• Go to Tools --> Board --> Boards manager
• Install ESP8266

【IOT】ESP8266 + CP2102 or PL2303HX with Realterm

How do ESP8266 connection to PC?
We use CP2102 or  PL2303HX(USB to UART).

CH340 of Arduino MEGA 2560 R3 device driver download

If  you use cheap  Arduino MEGA 2560 R3 and unable to install driver encountered
如果您使用很便宜的 Arduino MEGA 2560 R3 ,又遇到無法安裝驅動程式,

Maybe it use cheap CH340  virtual serial port
也許使用了便宜的CH340 虛擬串口晶片