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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
51
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289
Messages
289
C/C++ Question
.hpp file only
May 18, 2024
Johan Schoeman
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rMQTT HostName with query parameters
bdunkleysmith
Feb 19, 2022
Answers
3
Views
1K
Feb 20, 2022
Erel
N
Bluetooth (BLE) data transfer
NathanT
Feb 18, 2022
Answers
1
Views
2K
Feb 19, 2022
janderkan
Bit.Or vs. B4J/-A Bit.Or
KMatle
Feb 15, 2022
Answers
6
Views
2K
Feb 16, 2022
emexes
E
Does the arduino board have a serial number?
vali khandangoll
Feb 9, 2022
Answers
3
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2K
Feb 12, 2022
Erel
T
Due and bytes
Tonys
Feb 4, 2022
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5
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2K
Feb 8, 2022
Erel
How to convert string to b4rstring?
santook
Feb 6, 2022
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2
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2K
Feb 7, 2022
Erel
ESP32/8266 Software serial
ehsan gilassi
Jan 24, 2022
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4
Views
2K
Jan 27, 2022
ehsan gilassi
Index error: could not find referenced tool name=avrdude
Hans- Joachim Krahe
Jan 27, 2022
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0
Views
809
Jan 27, 2022
Hans- Joachim Krahe
Initialize rSD with other pins (MISO,MOSI,SCK,CS)
sasetcolombia
Jan 20, 2022
Answers
1
Views
4K
Jan 26, 2022
candide
C
rRCSwitch.h:3:10: fatal error: RCSwitch.h: No such file or directory - SOLVED
petr4ppc
Jan 25, 2022
Answers
2
Views
3K
Jan 25, 2022
petr4ppc
ESP32 first try: works with Arduino, but not in B4R
peacemaker
Feb 24, 2021
2
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21
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7K
Jan 23, 2022
f0raster0
Use SPI.H Library in B4R
Gerardo Tenreiro
Oct 22, 2021
2
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20
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3K
Jan 21, 2022
KiloBravo
K
M
esp32 truncate gsm send message
mariottino82
Jan 18, 2022
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7
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2K
Jan 20, 2022
Erel
ESP32 connected to Node-RED, but it can't receive a topic message input from the server
irhamnur00
Jan 16, 2022
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3
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2K
Jan 18, 2022
viriato
BLE with B4R, B4A and B4RSerializer & B4XPages
rwblinn
Jan 16, 2022
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3
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1K
Jan 17, 2022
Erel
B
WiFi connect timeout value
BertI
Jan 2, 2022
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3
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2K
Jan 15, 2022
BertI
B
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rSPI32 lib - Send One Command Byte and Receive Two Bytes Back As Int
KiloBravo
Dec 14, 2021
2
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38
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5K
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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2K
Jan 13, 2022
Num3
N
Remap the SD card pins on TTGO TCALL SIM800L
sasetcolombia
Jan 6, 2022
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2
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3K
Jan 7, 2022
sasetcolombia
[rHttpUtils2] POST request does not work [SOLVED]
Johan Hormaza
Jan 5, 2022
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12
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2K
Jan 7, 2022
KiloBravo
K
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