QT QMYSQL driver not loaded

QT error messages:

QSqlDatabase: QMYSQL driver not loaded
QSqlDatabase: available drivers: QSQLITE QMYSQL QMYSQL3 QODBC QODBC3 QPSQL QPSQL7

download MySQL connector  libmysql.dll to compiler bin Folder

Exemple:

X:\Qt\5.10.1\mingw53_32\bin

Attention!

• If your compiler is 32 bit,download 32 bit.
• Attention which compiler.

Qt for Windows exe - Deployment

1.Change mode to "Release" and run

Node.js Tools and Visual Studio

https://github.com/Microsoft/nodejstools

【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)