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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
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51
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285
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285
C/C++ Question
.hpp file only
Sunday at 6:30 AM
Erel
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J
ESP WROOM 02 and B4X
jarda
Jul 17, 2016
Answers
7
Views
4K
Jul 18, 2016
Erel
Unable to connect HC-SR04 to WeMos D1 Mini R3
hatzisn
Jul 26, 2020
Answers
13
Views
4K
Jul 29, 2020
hatzisn
M
DS1302 or DS1307
Mostez
Sep 15, 2016
Answers
2
Views
4K
Sep 18, 2016
Mostez
M
T
ESP32 and DS1307 , when try using i2c scanner, can't find i2c address.
tzfpg
May 20, 2021
Answers
5
Views
4K
May 21, 2021
rbghongade
BLE Chat with ESP32
Humberto
Dec 7, 2019
Answers
9
Views
4K
Dec 9, 2019
Humberto
ESP8266 - software serial - not receive data
petr4ppc
Apr 25, 2020
2
Answers
23
Views
4K
May 10, 2020
Erel
Wemos D1 R2 - LED on/off via web browser
Mark Read
Mar 22, 2018
Answers
13
Views
4K
Apr 9, 2018
Mark Read
Uno with internet modules (ESP-01Wifi or Ethernet LAN)
Roger C
Apr 4, 2019
Answers
6
Views
4K
Apr 7, 2019
Erel
GPS & sim
tufanv
Jul 4, 2019
2
Answers
38
Views
4K
Jul 26, 2019
emexes
E
B4R v1.80 BETA is available for download
Erel
Jan 2, 2017
Answers
10
Views
4K
Jan 12, 2017
Mostez
M
Technical question ADC pin/ Potentiometer
Beja
May 14, 2019
2
Answers
29
Views
4K
Jun 5, 2019
Chris Tyrie
CAN-BUS
mrossen
Nov 25, 2017
Answers
15
Views
4K
Dec 17, 2017
mrossen
New microcontroller board: Raspberry Pi Pico
raphaelcno
Jan 23, 2021
Answers
12
Views
4K
Jan 29, 2021
hatzisn
MIDI Over BLE
Hypnos
Sep 19, 2017
Answers
5
Views
4K
Feb 26, 2018
Hypnos
ESP32 (WROOM) - Could a kind soul please assist
rabbitBUSH
Jul 11, 2020
2
Answers
28
Views
4K
Aug 1, 2020
rabbitBUSH
M
WEMOS D1 mini + SOFTWARESERIAL
Maksymon
Mar 27, 2020
Answers
13
Views
4K
Apr 4, 2020
Maksymon
M
I cant use Arduino pro mini with usb to ttl convertor
vali khandangoll
Feb 8, 2020
Answers
6
Views
4K
Feb 14, 2020
tigrot
[SOLVED]Strange problem with Wemos Motor Shield and MQTT...
rbghongade
Aug 30, 2017
Answers
8
Views
3K
Sep 2, 2017
Cableguy
Alternative to the DHT22 for temp & humidity?
Kevin
Sep 2, 2018
Answers
8
Views
3K
Sep 10, 2018
Toley
T
M
NPN connetion WEMOS with Optocoupler isalotor
mtd
Apr 8, 2019
Answers
8
Views
3K
Apr 9, 2019
mtd
M
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