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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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ESP32 connected to Node-RED, but it can't receive a topic message input from the server
irhamnur00
Jan 16, 2022
Answers
3
Views
4K
Jan 18, 2022
viriato
BLE with B4R, B4A and B4RSerializer & B4XPages
rwblinn
Jan 16, 2022
Answers
3
Views
2K
Jan 17, 2022
Erel
B
WiFi connect timeout value
BertI
Jan 2, 2022
Answers
3
Views
3K
Jan 15, 2022
BertI
B
K
rSPI32 lib - Send One Command Byte and Receive Two Bytes Back As Int
KiloBravo
Dec 14, 2021
2
Answers
38
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10K
Jan 13, 2022
KiloBravo
K
N
Future of B4R with Arduino IDE 2.0
Num3
Jan 12, 2022
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4
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3K
Jan 13, 2022
Num3
N
Remap the SD card pins on TTGO TCALL SIM800L
sasetcolombia
Jan 6, 2022
Answers
2
Views
4K
Jan 7, 2022
sasetcolombia
[rHttpUtils2] POST request does not work [SOLVED]
Johan Hormaza
Jan 5, 2022
Answers
12
Views
4K
Jan 7, 2022
KiloBravo
K
SH1106 LCD Display and ESP2688 Issues
Cableguy
Apr 29, 2018
2
Answers
26
Views
10K
Jan 6, 2022
Johan Hormaza
Digital servo: tips?
giggetto71
Jan 2, 2022
Answers
0
Views
2K
Jan 2, 2022
giggetto71
LILYGO T-WATCH-ESP32 V3
viriato
Dec 30, 2021
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0
Views
2K
Dec 30, 2021
viriato
rESP8266WiFi library for ESP8266 v2.50 and ESP32 v1.02
Erel
May 1, 2019
Answers
14
Views
12K
Dec 28, 2021
max123
how can update a Arduino project in far ?
vali khandangoll
Dec 17, 2021
Answers
8
Views
2K
Dec 27, 2021
tigrot
B
Long delay before iOS browser gets first page from ESP server
BertI
Dec 21, 2021
Answers
10
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6K
Dec 27, 2021
BertI
B
T
SD card read and write slow when sd card inside have a 1000++ files
tzfpg
Mar 23, 2021
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3
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4K
Dec 23, 2021
max123
SD Card on TTGO TCALL SIM800L
sasetcolombia
Dec 21, 2021
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2
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4K
Dec 22, 2021
sasetcolombia
G
rESP8266WiFi connect
gkenny
Dec 21, 2021
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1
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2K
Dec 22, 2021
Erel
M
ESP8266 WIFI mode for weighing scale
Mostez
Dec 12, 2021
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0
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2K
Dec 12, 2021
Mostez
M
T
mqtt is it have similar "wait for" function?
tzfpg
Dec 9, 2021
Answers
1
Views
2K
Dec 12, 2021
Erel
K
ESP8266 2.8 TFT 240x320 Working Code Example
KiloBravo
Dec 9, 2021
Answers
5
Views
8K
Dec 10, 2021
KiloBravo
K
How quickly can an Arduino w/cell modem run after power applied?
JohnC
Dec 8, 2021
Answers
3
Views
2K
Dec 8, 2021
tigrot
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