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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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B4R Question
the way to pass wifi SSID and password in the first use
yaniv hanya
Mar 1, 2021
Answers
1
Views
2K
Mar 1, 2021
Cableguy
C
Arduino Portenta H7 board and B4R
CBoss
Feb 24, 2021
Answers
1
Views
2K
Feb 25, 2021
Erel
T
drive 2 or more stepper motor
trvip
Feb 9, 2021
Answers
4
Views
3K
Feb 24, 2021
Mark Read
ESP32 QR code scanner
peacemaker
Feb 23, 2021
Answers
1
Views
4K
Feb 23, 2021
Daestrum
a very novice question
yaniv hanya
Feb 22, 2021
Answers
3
Views
2K
Feb 22, 2021
janderkan
[SOLVED] B4R Array
Daestrum
Feb 21, 2021
Answers
6
Views
3K
Feb 21, 2021
Daestrum
How to fix the screen image 4 digits display ?
vali khandangoll
Feb 19, 2021
Answers
1
Views
1K
Feb 20, 2021
emexes
E
[ Esp32 ] Wifi configuration
Waldemar Lima
Feb 20, 2021
Answers
1
Views
2K
Feb 20, 2021
thetahsk
M
Pass user defined type to inline-c
Mostez
Jan 31, 2021
Answers
16
Views
5K
Feb 18, 2021
Mostez
M
AMG88xx thermal Camera Sensor
peacemaker
Jan 24, 2021
Answers
1
Views
2K
Feb 16, 2021
peacemaker
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
3K
Feb 15, 2021
janderkan
Advice for memory allocation on a Arduino MEGA2560
tigrot
Feb 11, 2021
Answers
4
Views
3K
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
3K
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
3K
Jan 27, 2021
sasetcolombia
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B4R - Arduino, ESP8266 and ESP32
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