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انرژی خورشیدی / اینورتر های DC- AC انرژی خورشیدی / نحوه عملکرد سیستم های خورشیدی

مبدل dc به dc تبدیل ولتاژ ۳.۷ به ۱۲ ولت

مدار مینی کویل تسلا این مدار به عنوان یک ترانسفورماتور رزونانس الکتریکی کوچک عمل می کند و برق جریان متناوب ولتاژ بالا، جریان کم و فرکانس بالا تولید می کند. ما می توانیم لامپ CFL را در نزدیکی سیم پیچ تسلا بدون تماس فیزیکی یا الکتریکی قرار دهیم تا روشن شود.

Hi, sorry maybe it is a silly question but... can I use an HTTPJOB in a multithread handler? im using this code in a handler: B4X: 'Handler class Sub Class_Globals Public AWS_URI_Is_Path_Style As Boolean Public AWS_Access_Key_ID As String Public AWS_Secret_Access_Key As String...

in the firebase storage my app can upload and can delete a file but download error: (IOException) java.ioException: could not open resulting stream. My rules: rules_version = '2'; service firebase.storage { match /b/*****.appspot.com/o { match /public/{allPaths=**} { allow read, write; }...

Regards, I hope someone can help me. It is I am implementing a library that handles an api in java like the following example: Java: TemperatureData temperatureData = temperatureUtil.getDataAndBitmap(distances,true, new HotImageCallback.Stub() { @Override...

I have been trying to implement in-app purchase, following guidelines in https://www.b4x.com/android/forum/threads/googleplaybilling-in-app-purchases.109945/#content I have copied all the necessary class from the example project, and set my app with the ID and key (key shortened here to keep...

Hi all, within a B4XPages framework (from @Erel) app I need to share some (app) global constants. For example: B4X: Public Host As String = "https://acme.com" Public WSNodeURL As String = Host & "/node/" Public WSFormat As String = "?_format=json" MY GOAL I need to access them...

Hi guys, I've just changed the XUI Views Library to have Min/Max Properties editable at runtime... @Erel, please include (after correcting) in future versions of the library, thanks. B4X: Public Sub setMax (v As Int) if v<0 then return mMax= max(mMin,v) Draw End Sub Public Sub...

Hi I am wrapping this library this library has these functions Java: MaryPopup(Activity activity) { this.activity = activity; this.activityView = (ViewGroup) activity.findViewById(android.R.id.content); this.actionBarView =...

Hi, I have tried to follow this thread : https://www.b4x.com/android/forum/threads/can-bus.86516/ This is my receiving code: B4X: Sub Process_Globals Public Serial1 As Serial Private Can As MCP2515 End Sub Private Sub AppStart Serial1.Initialize(115200) Log("AppStart")...

HI All, I try to create a CustomView with B4XCanvas in B4J but found some thing does not work as expected. I already set the anchor to automatically resize when form resized. And this is the code in the Custom View class B4X: #DesignerProperty: Key: BooleanExample, DisplayName: Show...

HI All, I try to create a CustomView with B4XCanvas in B4J but found some thing does not work as expected. I already set the anchor to automatically resize when form resized. And this is the code in the Custom View class B4X: #DesignerProperty: Key: BooleanExample, DisplayName: Show...

Ciao DonManfred , sto cercando di usare la tua libreria con un accesso anonimo credentials.Domain = "" credentials.Username = "" credentials.Password = "" credentials.Share = "smb: // SERVER / Users / Public /" L'evento SMBClient_Resource viene chiamato e mi riporta vero, OK, smb: // SERVER /...

? آشنایی با مفهوم Public و Private و protected در کلاس‌ها و شی گرایی ? Public : تمام اعضای کلاسی که در زیر کلمه کلیدی Public قرار می‌گیرند قابل دسترسی برای تمام کلاس‌های دیگر هستند. ? Private : تمامی متغیرها و توابعی که به صورت Private درون یک کلاس تعریف می‌شوند نمی‌توان از کلاس‌های دیگر به...