# Arduino

**URL:** https://bbs.aprbrother.com/c/arduino/7.md

[Latest](https://bbs.aprbrother.com/latest.md) · [Categories](https://bbs.aprbrother.com/categories.md)

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## [About the Arduino category](https://bbs.aprbrother.com/t/about-the-arduino-category/14)

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**Author:** [@aprilpeas](https://bbs.aprbrother.com/u/aprilpeas)\
**Replies:** 0

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\[All about Arduino.\] Discussion about BlueDuino / Cactus Micro and Arduino

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## [Cactus Micro Rev2 ESP Serial Communication](https://bbs.aprbrother.com/t/cactus-micro-rev2-esp-serial-communication/1793)

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**Author:** [@SamedBll](https://bbs.aprbrother.com/u/SamedBll)\
**Replies:** 6\
**Last updated:** [August 6, 2021, 12:11am UTC](https://bbs.aprbrother.com/t/cactus-micro-rev2-esp-serial-communication/1793 "2021-08-06T00:11:00Z")

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Hello. I’m trying to communicate with ESP via Mega32U4. I successfully upload .bin file with NodeMCU flasher but it doesn’t give any respond. I can’t even communicate simple serial. ESP side sketch file: #include \<ESP8…

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## [ESP32S2 Soil Moisture Sensor with awful resolution](https://bbs.aprbrother.com/t/esp32s2-soil-moisture-sensor-with-awful-resolution/1740)

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**Author:** [@Wally](https://bbs.aprbrother.com/u/Wally)\
**Replies:** 8\
**Last updated:** [February 26, 2021, 3:24am UTC](https://bbs.aprbrother.com/t/esp32s2-soil-moisture-sensor-with-awful-resolution/1740 "2021-02-26T03:24:28Z")

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I have bought some of your ESP32S2 Soil Moisture Sensors and I have flashed the example source code to them, which is running, but I am having issues with the sensor for moisture/humidity. The channel width is set to 13…

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## [Abutton v3](https://bbs.aprbrother.com/t/abutton-v3/1716)

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**Author:** [@31warren](https://bbs.aprbrother.com/u/31warren)\
**Replies:** 1\
**Last updated:** [November 16, 2020, 3:27am UTC](https://bbs.aprbrother.com/t/abutton-v3/1716 "2020-11-16T03:27:27Z")

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I have bought an Abutton which broadcasts an Access Point when powered up. Does anyone have a link to the code that ships with these devices, or can suggest an alternative? Thanks

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## [Cactus Micro v2 Wifi - No sign of life](https://bbs.aprbrother.com/t/cactus-micro-v2-wifi-no-sign-of-life/1707)

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**Author:** [@MartinD](https://bbs.aprbrother.com/u/MartinD)\
**Replies:** 10\
**Last updated:** [November 13, 2020, 7:52am UTC](https://bbs.aprbrother.com/t/cactus-micro-v2-wifi-no-sign-of-life/1707 "2020-11-13T07:52:28Z")

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Hi, I’ve purchased a Cactus Micro V2 Wifi module and when I plug it in nothing happens. My pc doesn’t recognize it, it doesn’t show up in the device manager (not even as an unrecognized device), even the power led does…

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## [Usb broken](https://bbs.aprbrother.com/t/usb-broken/1710)

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**Author:** [@degel](https://bbs.aprbrother.com/u/degel)\
**Replies:** 3\
**Last updated:** [November 13, 2020, 3:54am UTC](https://bbs.aprbrother.com/t/usb-broken/1710 "2020-11-13T03:54:38Z")

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My USB connector broke off the board (Cactus Micro Rev1). I don’t need the ESP8266, but I do need to program the main board. Any help to program the board without usb is appreciated. thanks.

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## [April Brother soil moisture crahes on ESP.deepSleep function](https://bbs.aprbrother.com/t/april-brother-soil-moisture-crahes-on-esp-deepsleep-function/1698)

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**Author:** [@tonbor](https://bbs.aprbrother.com/u/tonbor)\
**Replies:** 10\
**Last updated:** [November 10, 2020, 3:10am UTC](https://bbs.aprbrother.com/t/april-brother-soil-moisture-crahes-on-esp-deepsleep-function/1698 "2020-11-10T03:10:23Z")

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Bought April Brother soil moisture sensor. The default ino at github https://github.com/AprilBrother/esp-soil-moisture-sensor/tree/master/src/esp-soil-moisture-sensor-v2.1 crashes at the ESP.deepSleep(SLEEP\_TIME, WAKE\_RF…

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## [Help no Access to Soil Moisture ESP12](https://bbs.aprbrother.com/t/help-no-access-to-soil-moisture-esp12/1684)

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**Author:** [@tonbor](https://bbs.aprbrother.com/u/tonbor)\
**Replies:** 1\
**Last updated:** [October 9, 2020, 3:41am UTC](https://bbs.aprbrother.com/t/help-no-access-to-soil-moisture-esp12/1684 "2020-10-09T03:41:31Z")

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I asked AprilBeacon before buying the soil moisture “supose I can flash it with CH340G usb, must I solder tx, rx, 3v and gnd or are there already pins?” Answer was “yes. you can” I have received the object put there are …

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## [Blueduino avrdude: stk500\_recv(): programmer is not responding](https://bbs.aprbrother.com/t/blueduino-avrdude-stk500-recv-programmer-is-not-responding/1034)

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**Author:** [@hwt](https://bbs.aprbrother.com/u/hwt)\
**Replies:** 8\
**Last updated:** [August 19, 2019, 1:55am UTC](https://bbs.aprbrother.com/t/blueduino-avrdude-stk500-recv-programmer-is-not-responding/1034 "2019-08-19T01:55:40Z")

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Hi, I have just received my Blueduino board from AprilBrother. I have a working sketch in the Arduino IDE. It has been working with an Arduino Uno compatible board. However, when I try to upload it to Blueduino, I…

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## [Blueduino Start-up time](https://bbs.aprbrother.com/t/blueduino-start-up-time/1456)

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**Author:** [@franck](https://bbs.aprbrother.com/u/franck)\
**Replies:** 2\
**Last updated:** [March 19, 2019, 4:20pm UTC](https://bbs.aprbrother.com/t/blueduino-start-up-time/1456 "2019-03-19T16:20:45Z")

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Hello i would like to detect when the CC2540 is ready for receving data from “Serial1”. any idea in Arduino ? Thanks Franck

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## [Urgent help needed with NRF52810 ABSensor N01](https://bbs.aprbrother.com/t/urgent-help-needed-with-nrf52810-absensor-n01/1448)

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**Author:** [@Yotam](https://bbs.aprbrother.com/u/Yotam)\
**Replies:** 6\
**Last updated:** [March 15, 2019, 2:44am UTC](https://bbs.aprbrother.com/t/urgent-help-needed-with-nrf52810-absensor-n01/1448 "2019-03-15T02:44:35Z")

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Hi there! Setup include Arduino MKR1010WiFi connected to HM-10 module and 2 units of NRF52810 ABSensor N01. Serial works well, I can send AT commands and get response. Setup includes the following: AT+IMME1, AT+ROLE1,…

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## [How to connect Blueduino to Windows 10 over BLE](https://bbs.aprbrother.com/t/how-to-connect-blueduino-to-windows-10-over-ble/639)

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**Author:** [@elhajj](https://bbs.aprbrother.com/u/elhajj)\
**Replies:** 4\
**Last updated:** [February 7, 2019, 11:21am UTC](https://bbs.aprbrother.com/t/how-to-connect-blueduino-to-windows-10-over-ble/639 "2019-02-07T11:21:38Z")

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Hello, any instruction or example on how to connect to Blueduino from a Windows 10 system through Bluetooth v4.0? the system is working fine under android using Bluo and it can send and receive data perfectly using se…

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## [Arduino IDE connect](https://bbs.aprbrother.com/t/arduino-ide-connect/1398)

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**Author:** [@dikkehenk](https://bbs.aprbrother.com/u/dikkehenk)\
**Replies:** 6\
**Last updated:** [December 19, 2018, 10:38am UTC](https://bbs.aprbrother.com/t/arduino-ide-connect/1398 "2018-12-19T10:38:54Z")

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Hi, My CactusMicro Rev2 is not showing up in the Arduino IDE (serial port) It seems I need a serial driver, but I do not know which one. Is it: CH340 or PL2303 it depends on which communication chip is used on the…

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## [Issues on your wiki (Blueduino Firmware)](https://bbs.aprbrother.com/t/issues-on-your-wiki-blueduino-firmware/1367)

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**Author:** [@july](https://bbs.aprbrother.com/u/july)\
**Replies:** 4\
**Last updated:** [November 9, 2018, 12:13am UTC](https://bbs.aprbrother.com/t/issues-on-your-wiki-blueduino-firmware/1367 "2018-11-09T00:13:00Z")

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Hello. I want to download your CC2540 firmware page. but it responses 404. link : https://wiki.aprbrother.com/en/BlueDuino.html#Firmware

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## [Sending data from JAVA app: avoid OK+CONN bonded message](https://bbs.aprbrother.com/t/sending-data-from-java-app-avoid-ok-conn-bonded-message/1325)

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**Author:** [@jb4x](https://bbs.aprbrother.com/u/jb4x)\
**Replies:** 3\
**Last updated:** [September 27, 2018, 4:14am UTC](https://bbs.aprbrother.com/t/sending-data-from-java-app-avoid-ok-conn-bonded-message/1325 "2018-09-27T04:14:18Z")

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Hi, I’m trying to send some data to the Blueduino from a JAVA application on a Raspbian image. The code I’m using JAVA side is: Runtime.getRuntime().exec("sudo gatttool -i hci0 -b AA:BB:CC:DD:EE:FF:GG --char-write-req…

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## [Send hex values with gatttool](https://bbs.aprbrother.com/t/send-hex-values-with-gatttool/1324)

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**Author:** [@jb4x](https://bbs.aprbrother.com/u/jb4x)\
**Replies:** 7\
**Last updated:** [September 25, 2018, 6:47pm UTC](https://bbs.aprbrother.com/t/send-hex-values-with-gatttool/1324 "2018-09-25T18:47:21Z")

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Hi everyone, I went to send an array of hex value to the blueduino that will then uses those value to control an LED strip. I know how to send ASCII code with this piece of code: \[AA:BB:CC:DD:EE:FF\]\[LE\]\> char-write-re…

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## [No response from AT command](https://bbs.aprbrother.com/t/no-response-from-at-command/1315)

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**Author:** [@jb4x](https://bbs.aprbrother.com/u/jb4x)\
**Replies:** 9\
**Last updated:** [September 20, 2018, 6:06am UTC](https://bbs.aprbrother.com/t/no-response-from-at-command/1315 "2018-09-20T06:06:37Z")

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Hi everyone, I recently bought a blueduino rev2 and I tried to pair it with my Raspberry Pi 3. I do find the blueduino in the bluetooth device list of the raspberry but when I try to pair it, it tells me that the authe…

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## [Cactus WHID installation](https://bbs.aprbrother.com/t/cactus-whid-installation/1322)

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**Author:** [@Alain](https://bbs.aprbrother.com/u/Alain)\
**Replies:** 1\
**Last updated:** [September 17, 2018, 12:41am UTC](https://bbs.aprbrother.com/t/cactus-whid-installation/1322 "2018-09-17T00:41:49Z")

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Hi Just received a CACTUS WHID … very disapointing! #1 The hardware part is delivered force fitted wrongly in the USB case … and I can’t get it out for repositioning unless risking to break the PCB or USB connector #2 …

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## [AT command not response from my Blueduino by using HardwareSerialMonitor](https://bbs.aprbrother.com/t/at-command-not-response-from-my-blueduino-by-using-hardwareserialmonitor/1143)

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**Author:** [@fchiang](https://bbs.aprbrother.com/u/fchiang)\
**Replies:** 11\
**Last updated:** [September 2, 2018, 9:04am UTC](https://bbs.aprbrother.com/t/at-command-not-response-from-my-blueduino-by-using-hardwareserialmonitor/1143 "2018-09-02T09:04:33Z")

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AS topic my BlueDuino can not response any AT command, even I turned off all my Bluetooth devices. Does it means there is something wrong with the Bluetooth module inside the blueduino? because I can only see “Hello Blu…

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## [BLE logging program with blueduino](https://bbs.aprbrother.com/t/ble-logging-program-with-blueduino/1306)

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**Author:** [@july0919](https://bbs.aprbrother.com/u/july0919)\
**Replies:** 2\
**Last updated:** [August 17, 2018, 6:41am UTC](https://bbs.aprbrother.com/t/ble-logging-program-with-blueduino/1306 "2018-08-17T06:41:30Z")

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I programmed a BLE data logging program by using python3, pexpect, and BLE CSR dongle. (based on your previous replies.) However, frequent data loss occurs. For example, when I receive data from a commercial apps(Your a…

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## [About blueduino pairing application (pairing with computer)](https://bbs.aprbrother.com/t/about-blueduino-pairing-application-pairing-with-computer/1289)

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**Author:** [@july0919](https://bbs.aprbrother.com/u/july0919)\
**Replies:** 11\
**Last updated:** [August 2, 2018, 1:47am UTC](https://bbs.aprbrother.com/t/about-blueduino-pairing-application-pairing-with-computer/1289 "2018-08-02T01:47:42Z")

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Hello, I want to design an application that works in real time using blueduino. But, this requires pairing with my computer. (I’m trying to apply the algorithms built into my computer.) So I installed the BLE dongle on …

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## [Blueduino Firmware Update (AT commands not working)](https://bbs.aprbrother.com/t/blueduino-firmware-update-at-commands-not-working/1296)

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**Author:** [@july0919](https://bbs.aprbrother.com/u/july0919)\
**Replies:** 11\
**Last updated:** [July 30, 2018, 3:40am UTC](https://bbs.aprbrother.com/t/blueduino-firmware-update-at-commands-not-working/1296 "2018-07-30T03:40:22Z")

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Hello, I want to update firmware for my blueduino. As shown on the wiki, I connected the Blueduino to the usb to serial converter with RX, TX, and GND and proceeded with the serial communication by using Termite 3.4. Bu…

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## [BlueDuino (two boards)](https://bbs.aprbrother.com/t/blueduino-two-boards/1294)

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**Author:** [@joejoe](https://bbs.aprbrother.com/u/joejoe)\
**Replies:** 7\
**Last updated:** [July 25, 2018, 6:13am UTC](https://bbs.aprbrother.com/t/blueduino-two-boards/1294 "2018-07-25T06:13:32Z")

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I’m using two boards, blueduinos, that I’ve updated to 2.2.8. Updated because I was not able to connect earlier than this, but was using the smartphone BLT not BLUO. And “AT” commands work from the FTDI serial interface …

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## [RGB Leds for Blueduino Rev2](https://bbs.aprbrother.com/t/rgb-leds-for-blueduino-rev2/1234)

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**Author:** [@Esod](https://bbs.aprbrother.com/u/Esod)\
**Replies:** 3\
**Last updated:** [May 15, 2018, 2:48am UTC](https://bbs.aprbrother.com/t/rgb-leds-for-blueduino-rev2/1234 "2018-05-15T02:48:00Z")

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Hi everyone, I would like to add an RGB led for my personal project. I tried to run Neopixel leds (https://www.adafruit.com/product/1260). But I feel like it doesn’t seem to be working. Is it possible that these rgb led…

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## [ZeroBeacon firmware update that includes peripheral names?](https://bbs.aprbrother.com/t/zerobeacon-firmware-update-that-includes-peripheral-names/1180)

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**Author:** [@dlat58](https://bbs.aprbrother.com/u/dlat58)\
**Replies:** 9\
**Last updated:** [February 5, 2018, 7:44am UTC](https://bbs.aprbrother.com/t/zerobeacon-firmware-update-that-includes-peripheral-names/1180 "2018-02-05T07:44:31Z")

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Hi, when in central mode I understand that ZeroBeacon filters out the response data and does not include the peripheral name, is there any plan to release a version of firmware that does include the name? It would be rea…

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## [Give me guide for Blueduino v2 with Android own App](https://bbs.aprbrother.com/t/give-me-guide-for-blueduino-v2-with-android-own-app/1171)

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**Author:** [@Bala](https://bbs.aprbrother.com/u/Bala)\
**Replies:** 5\
**Last updated:** [February 5, 2018, 2:29am UTC](https://bbs.aprbrother.com/t/give-me-guide-for-blueduino-v2-with-android-own-app/1171 "2018-02-05T02:29:29Z")

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Dear, Blueduino V2 is really awesome tiny module… I have bought Blueduino version 2.1.7 and tested it with Bluo App also in arduino… connected and worked finely… I want to use this unit to my customized application cr…

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## [How to pair 2 bleepeds together](https://bbs.aprbrother.com/t/how-to-pair-2-bleepeds-together/1166)

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**Author:** [@Jaydon](https://bbs.aprbrother.com/u/Jaydon)\
**Replies:** 40\
**Last updated:** [January 9, 2018, 6:54am UTC](https://bbs.aprbrother.com/t/how-to-pair-2-bleepeds-together/1166 "2018-01-09T06:54:38Z")

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Hi, can I know how to pair 2 blepad together and send data from one blepad to another one? I try to send data from the first blepad to the second one, but the second one cannot receive it. Please help me. Urgent.

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## [How to pair and connect blepad to hj580?](https://bbs.aprbrother.com/t/how-to-pair-and-connect-blepad-to-hj580/1164)

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**Author:** [@Jaydon](https://bbs.aprbrother.com/u/Jaydon)\
**Replies:** 19\
**Last updated:** [January 8, 2018, 2:05am UTC](https://bbs.aprbrother.com/t/how-to-pair-and-connect-blepad-to-hj580/1164 "2018-01-08T02:05:00Z")

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Hi, i want to pair up a blepad with hj580 so that i can send data over from blepad to hj580, but i couldn’t find a way to do so. Please help me…thanks

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## [BlueDuino與TI CC-DEBUGGER](https://bbs.aprbrother.com/t/blueduino-ti-cc-debugger/1141)

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**Author:** [@MingfanWei](https://bbs.aprbrother.com/u/MingfanWei)\
**Replies:** 5\
**Last updated:** [December 7, 2017, 2:37am UTC](https://bbs.aprbrother.com/t/blueduino-ti-cc-debugger/1141 "2017-12-07T02:37:05Z")

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1. Blueduino能接TI CC-DEBUGGER嗎？ 2. 除了tx, rx, 及D13, Vcc, Gnd，其他的pin腳可用嗎？見下圖 3. FW V2.2.6實際上做了什麼事？ \[image\]

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## [Help! Serial1 AT COMMANDS](https://bbs.aprbrother.com/t/help-serial1-at-commands/983)

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**Author:** [@jasonp](https://bbs.aprbrother.com/u/jasonp)\
**Replies:** 5\
**Last updated:** [December 5, 2017, 9:46am UTC](https://bbs.aprbrother.com/t/help-serial1-at-commands/983 "2017-12-05T09:46:15Z")

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Hello, We have just received a batch of 20 blueduino REV 2 boards. Using the "hardware serial monitor" sketch in the AB\_BLE library, we can not get the AT COMMANDS to work. I have tried "AT", "AT+NAME? ", and AT+NAM…

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