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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
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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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Questions about RunNative
Cesar_Morisco
Nov 18, 2024
Answers
4
Views
2K
Nov 20, 2024
Cesar_Morisco
How start X subs, but all - with delay ?
peacemaker
Nov 8, 2024
Answers
5
Views
2K
Nov 17, 2024
hatzisn
Why does a B4R program line that worked well on all my applications suddenly become an error?
Marc DANIEL
Nov 12, 2024
Answers
7
Views
2K
Nov 13, 2024
Marc DANIEL
How to change the format of two numbers using NumberFormat
Cesar_Morisco
Nov 11, 2024
Answers
3
Views
1K
Nov 12, 2024
Cesar_Morisco
Array re-dim
peacemaker
Nov 8, 2024
Answers
1
Views
1K
Nov 8, 2024
hatzisn
How to use YF-S302 flowmeter
sagmill
Oct 31, 2024
Answers
3
Views
1K
Nov 2, 2024
sagmill
D
AdafruitSSD1306 LIbrary Question
daveinhull
Nov 1, 2024
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0
Views
797
Nov 1, 2024
daveinhull
D
d1 mini 8266 help - question
user_an
Oct 17, 2024
Answers
7
Views
2K
Oct 30, 2024
user_an
dynamic string
peacemaker
Oct 29, 2024
Answers
1
Views
1K
Oct 29, 2024
thetrueman
T
R
Is there any plan to upgrade B4R to work fully with Arduino IDE V2 and ESP32 board V3?
RJB
Oct 20, 2024
Answers
3
Views
1K
Oct 28, 2024
Tim Chapman
T
Connect to MQTT broker with TLS
Gerardo Tenreiro
Oct 27, 2024
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0
Views
973
Oct 27, 2024
Gerardo Tenreiro
M
Dallas 18b20
Mania
Oct 23, 2024
Answers
5
Views
2K
Oct 27, 2024
Laurent95
K
ESP32 CAM Answers :-)
KiloBravo
Mar 5, 2022
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13
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15K
Oct 23, 2024
KiloBravo
K
M
PWM Esp32
Mania
Oct 20, 2024
Answers
2
Views
1K
Oct 23, 2024
Mania
M
WIFI OFF (sleep) and after 60 second WIFI ON, with ESP8266 + change WifiPower
petr4ppc
Oct 23, 2024
Answers
0
Views
823
Oct 23, 2024
petr4ppc
About esp32?
Cesar_Morisco
Oct 22, 2024
Answers
0
Views
904
Oct 22, 2024
Cesar_Morisco
ESP32 Error
Cesar_Morisco
Oct 21, 2024
Answers
5
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2K
Oct 22, 2024
Cesar_Morisco
Esp32CamDEMO on esp32-s3 - connectivity problem
Arf
Oct 17, 2024
Answers
1
Views
1K
Oct 18, 2024
derez
B4R The httpserver is missing a part
xkz
Oct 15, 2024
Answers
1
Views
1K
Oct 15, 2024
Star-Dust
Project structure - includes etc
Arf
Oct 12, 2024
Answers
2
Views
1K
Oct 14, 2024
Erel
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