ESP32 & Lora — ELECROW - FORUM

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Helansjohnsa — Sat, 25 Apr 2026 15:31:58 +0000

dfds

does the M3 have a reset button?

mbraner — Tue, 21 Apr 2026 18:16:41 +0000

There's a tiny hole in the front with shiny metal inside. Or maybe that's the buzzer? In my software experiments I've gotten it into state where if it is not connected to USB power then the button does not start it up - and it takes a 10-second press with USB power to start it. How to restore? Note, the original firmware is long gone, I compile and upload my own, and it otherwise works. The problem arose after I ran a version of my software that called this, to activate wake-up when attaching to USB power:

nrf_gpio_cfg_sense_input(digitalPinToInterrupt(ext_power_pin), NRF_GPIO_PIN_PULLDOWN, NRF_GPIO_PIN_SENSE_HIGH);

where ext_power_pin is _PINNUM(0, 31) // P0.31

do you have LoRaWAN gateways that will work it Russia?

Jully — Thu, 23 Apr 2026 02:14:34 +0000

Currently we donot have.

Is the ThinkNode M6 compatible with the Meshcore Spreading Factor value 6?

Jully — Thu, 23 Apr 2026 02:12:59 +0000

Our hardware supports SF6, and Meshcore supports it as well.

i have CRT01265M. My fan is malfunctioning and it makes a very loud and sharp noise.

Jully — Wed, 15 Apr 2026 09:48:44 +0000

Answer:
It's very likely that the fan blades hit something. Check if they're loose and tighten them; that should fix it.

ThinkNode M5 antenna specifications

JohnGourlay — Mon, 06 Apr 2026 00:29:56 +0000

Can you tell us the gain and VSWR for the 915 MHz band of the antenna that comes with the ThinkNode M5?

Thinknode M3 flash memory

mbraner — Sun, 29 Mar 2026 20:57:53 +0000

New here. Hello! I am planning to port an embedded application to the M3. Question: does the M3 have an "external" (SPI) flash memory chip, or just the 1MB flash that is built into the nRF52840? Does any of that space appear as a "mass storage device" (a rather small mass) when plugged into a PC via USB? If not as it is, can that be arranged? Do the LoraWAN and Meshtastic models differ on this? If this is not possible, maybe I can use the "EEPROM" flash area - how large is it? Thanks.

ThinkNode M5 updating firmware

JohnGourlay — Mon, 30 Mar 2026 18:26:35 +0000

I'm trying to use flasher.meshtastic.org in Google Chrome on my Mac to update the Meshtastic firmware on my ThinkNode M5. Chrome does not see the device plugged into a usb port. I'm sure my usb cable is a data cable, and I believe my settings are correct on the Mac and in Chrome. I've seen people say that I might need to hold down a button when plugging the device into the usb port. Is this true? If so, which button?

ThinkNode M5 not discoverable to Meshtastic app in iOS

JohnGourlay — Sat, 28 Mar 2026 21:00:50 +0000

I have a new ThinkNode M5 which I've charged up and powered up. Neither my iPhone bluetooth settings
nor the Meshtastic app see the radio as a bluetooth device. What do I need to do to make the radio discoverable?

my ThinkNode M1 works with Meshtastic, but I’m unable to get it running with Meshcore

Jully — Thu, 26 Mar 2026 02:06:09 +0000

we regret to inform you that we are currently not providing technical support for the MeshCore software. Customers need to contact the MeshCore team directly. Technical support can be found on the MeshCore Discord page/group.

For hardware-related technical support, customers can contact us.