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Welcome to B4X forum!
B4X is a set of simple and powerful cross platform RAD tools:
B4A
(free) - Android development
B4J
(free) - Desktop and Server development
B4i
- iOS development
B4R
(free) - Arduino, ESP8266 and ESP32 development
All developers, with any skill level, are welcome to
join the B4X community
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B4R - Arduino, ESP8266 and ESP32
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B4R Questions
Libraries developers questions
Threads
52
Messages
294
Messages
294
C
C/C++ Question
ArrayObject* B4RLIB::Function() : how to make this return working ?
Apr 24, 2025
candide
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problem in sevensegment
vali khandangoll
Feb 14, 2021
Answers
7
Views
2K
Feb 16, 2021
Cableguy
M
calling c++ sub with B4R object
Mostez
Feb 15, 2021
Answers
1
Views
1K
Feb 15, 2021
Cableguy
how to undertand stack errors
peacemaker
Feb 12, 2021
Answers
4
Views
2K
Feb 15, 2021
janderkan
Advice for memory allocation on a Arduino MEGA2560
tigrot
Feb 11, 2021
Answers
4
Views
2K
Feb 15, 2021
tigrot
Arduino upload sketch error
Beja
Feb 12, 2021
Answers
2
Views
3K
Feb 12, 2021
tigrot
B4R Gsm and Sensor
GiovanniPolese
Feb 8, 2021
Answers
3
Views
2K
Feb 8, 2021
GiovanniPolese
J
Timer / LCD Issue with ESP32
John Naylor
Feb 4, 2021
Answers
2
Views
2K
Feb 4, 2021
thetahsk
M
ESP32S, ArrayCopy error
Mostez
Jan 30, 2021
Answers
6
Views
3K
Jan 31, 2021
Erel
New microcontroller board: Raspberry Pi Pico
raphael75
Jan 23, 2021
Answers
12
Views
6K
Jan 29, 2021
hatzisn
b4r_main.cpp:242:104: error: invalid conversion from 'void (*)(B4R::Array*)' to 'B4R::SubVoidVoid {aka void (*)()}' [-fpermissive]
sasetcolombia
Jan 26, 2021
Answers
4
Views
2K
Jan 27, 2021
sasetcolombia
How can I use 100 YL-69
vali khandangoll
Jan 24, 2021
Answers
6
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2K
Jan 26, 2021
thetahsk
how can i use character ASCII code ?
vali khandangoll
Jan 24, 2021
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4
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2K
Jan 25, 2021
vali khandangoll
StringToUnsignedInt (missing ArrayCopy method in Bit object)
giggetto71
Jan 23, 2021
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10
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3K
Jan 25, 2021
giggetto71
M
rAdafruitSSD1306 display icon
Mostez
Jan 20, 2021
Answers
11
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3K
Jan 25, 2021
moty22
MCU barcode (qr code) scanner
peacemaker
Jan 24, 2021
Answers
1
Views
2K
Jan 24, 2021
thetahsk
NEVER MIND - My BAD - Adafruit_GFX library
Robert Valentino
Jan 23, 2021
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2
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2K
Jan 24, 2021
Robert Valentino
Read encoder with Ssi interface
amorosik
Jan 20, 2021
Answers
2
Views
2K
Jan 24, 2021
amorosik
Help with converting C++ project to B4R.
Beja
Jan 21, 2021
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1
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1K
Jan 22, 2021
tigrot
Does anyone have the library for MAX7219cng led dotmatrix ?
vali khandangoll
Jan 16, 2021
Answers
6
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3K
Jan 20, 2021
emexes
E
L
rRF95 compile error - Adafruit Feather M0
ljohnway
Jan 18, 2021
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5
Views
2K
Jan 20, 2021
Erel
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