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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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M
code module instance
Mostez
Sep 16, 2019
Answers
3
Views
2K
Sep 17, 2019
Mostez
M
I
Read data from ble device (HM-10)
interskala
Sep 17, 2019
Answers
2
Views
3K
Sep 17, 2019
emexes
E
Problems updating version 1.03 of ESP32 in Arduino
Johan Hormaza
Sep 14, 2019
Answers
2
Views
1K
Sep 15, 2019
Erel
M
48 keys keypad
Mostez
Sep 10, 2019
Answers
1
Views
2K
Sep 11, 2019
Erel
BV20 (Bill Validator)
Chris Guanzon
Sep 10, 2019
Answers
2
Views
3K
Sep 11, 2019
emexes
E
'decode' is not a member of 'base64'
KMatle
Sep 7, 2019
Answers
2
Views
4K
Sep 8, 2019
Erel
UTFT library
hatzisn
Sep 7, 2019
Answers
2
Views
3K
Sep 7, 2019
hatzisn
T
B4R(SoftSerial) and B4J reveice buffer not same.
tzfpg
Sep 4, 2019
Answers
6
Views
3K
Sep 5, 2019
tzfpg
T
R
WifiProgram will not compile in V2.8
rodmcm
Aug 29, 2019
Answers
3
Views
3K
Sep 3, 2019
rodmcm
R
Byte array fixed length via C vs. dynamic length
KMatle
Aug 31, 2019
Answers
2
Views
2K
Sep 1, 2019
Erel
Drive a TB6600 or any other which needs 5V with an ESP32/8266
KMatle
Aug 21, 2019
Answers
8
Views
13K
Aug 31, 2019
tigrot
ESP8266 - ESP01 - set output pin as 1 or 0
petr4ppc
Aug 29, 2019
Answers
11
Views
4K
Aug 29, 2019
RJB
R
R
ESP32 Looper
rodmcm
Aug 26, 2019
Answers
3
Views
2K
Aug 28, 2019
rodmcm
R
ESP8266 - reading JSON from PHP on the web
petr4ppc
Aug 27, 2019
Answers
7
Views
3K
Aug 28, 2019
petr4ppc
ESP8266 - send variables in URL to some www server
petr4ppc
Aug 26, 2019
Answers
4
Views
2K
Aug 27, 2019
petr4ppc
Powering 4 rele module
josejad
Aug 26, 2019
Answers
3
Views
3K
Aug 27, 2019
josejad
S
Gps
Sina Sinakh
May 24, 2016
Answers
4
Views
2K
Aug 24, 2019
vali khandangoll
M
PCF8574 class
Mostez
Aug 24, 2019
Answers
0
Views
2K
Aug 24, 2019
Mostez
M
PLC-optocoupler-3wire_sensor
Tayfur
Aug 6, 2019
2
Answers
23
Views
9K
Aug 22, 2019
tigrot
rAdafruitSSD1306 lib (does NOT work) vs. Inline C (works)
KMatle
Aug 21, 2019
Answers
1
Views
2K
Aug 22, 2019
Erel
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