xDot power requirements
Hi, I’m currently working on a design using the xDot and need some clarification on voltages in the datasheet. It says Operating voltage is 2.4V to 3.57V. What is the absolute maximum voltage? I’m...
View ArticleReply To: xDot power requirements
Hi Andrew, The xDot’s absolute maximum operating voltage is 3.6V. This absolute maximum is limited by the absolute maximum of several of the onboard parts, including the STM32L151 microcontroller. Can...
View Articleregulatory requirements when switching modems
We have been using the MTSMC-H5 modem and have done the required EMC/ESD set of testing. If we switch to a MTSMC-H3 modem (and use the appropriate antenna) does anyone have an idea if any additional...
View ArticleReply To: Power Down Mode
Hello Mike, Thanks for reply. we have tried this program, and observation is that the board draws 6.5mA current even in sleep mode. one of the email that i had received from Multiconnect service...
View ArticleLowest current consumption by dragonfly
Hi, we are trying to develop battery operated gateway based on multiconnect dragonfly module. since it is using STM32F411 series controller, we were expecting sleep current in the range of 30-50uA,...
View Articlemdot Communication with USB to TTL Cable
I am trying to use the AT command mode that is pre-loaded into the mdot using a USB to TTL cable connected to my computer. I am using a Usart Terminal program. The cable is wired to the mdot Din and...
View ArticleReply To: mdot Communication with USB to TTL Cable
Hi Bob, I would check the following: a. Verify that you can type AT commands to the mDot using either MDK or UDK2 board. b. Power on the mDot. c. I would also connect Ground pin on the mDot to your...
View ArticleCan Any GPIO pin be used for UART communication.
Currently by default I use the XBEE_DOUT, XBEE_DIN pins for serial communication. Is it possible to switch to a different GPIO pins for serial communication at run time, based on certain conditions?...
View ArticleReply To: Can Any GPIO pin be used for UART communication.
Yogesh, You’d need to emulate a UART in software. We don’t have any software support for that. I did find this repo in mbed https://developer.mbed.org/users/Sissors/code/SoftSerial/ Sissors is pretty...
View ArticleReply To: mdot Communication with USB to TTL Cable
Thanks for getting back to me. It turned out the terminal software is not compatible with that cable. The software works fine for all the other devices I use it with, but not these cables. Switched to...
View ArticleUsing mbed OS with Dragonfly
Are there any limitations to using the mbed OS with the Dragonfly module? Is there any example software showing the use of the mbed OS on the Dragonfly?
View ArticleReply To: Using mbed OS with Dragonfly
Greg, The Dragonfly module should work with mbed-os just fine. I think there are some issues compiling the MTSAS library with mbed-os at the moment. We’re hoping to get them resolved soon. Cheers, Mike
View ArticleChecking the frequency range of the Conduit
Hi, I have been trying to figure out how to determine what frequencies the Conduit is using when it is outputting a lora signal? This is due to the fact that I will be operating the device within the...
View ArticleReply To: Checking the frequency range of the Conduit
The AEP 1.3.2 firmware has support for AU915. The LoRaWAN 1.01 protocol defines only 8 downlink frequencies between 915 and 928 MHz for use in AU915. Transmitting outside the range would non-compliant...
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Reply To: failed to join network -4:Join Error
I have the same issue with newest FW… at+join Failed to join network ERROR - Conduit: AEP-1.3.2_upgrade which includes: admin@mtcdt:~# opkg list | grep lora lora-network-server – 1.0.13-r0.1 (I did a...
View Articlestatus light blinking
Hello, maybe a stupid question: on conduit documentation regarding status led it is stated: “Default condition: LED blinks when mLinux is fully loaded” 1-Does this mean that when it blinks the...
View ArticleReply To: failed to join network -4:Join Error
Hi Andreas Zolliker, Can you refresh the web page – LoRa Network Server and see if it will display with more options on this page – i.e: ‘channel plan’ option ? If so, could you make sure to set it to...
View ArticleReply To: status light blinking
To answer #1: The status LED blinks in that manner to signal that the unit is up and running. The two short blinks and pause are the normal operation. #2: This is the normal state. Usually when the...
View ArticleReply To: status light blinking
Thank you Jeff. Indeed it helps. why not putting this answer into a “sticky ” forum topic as we cannot see these informations elsewhere ?
View ArticlemCard Development and Firmware
I’m looking to develop an mCard to add a new protocol to the Conduit. I have requests in with support for that documentation. My main question is: Does the development of an mCard necessitate the...
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