kevin.cto

@kevinharris · Joined June 2025

Newcomer

Startup founder · logistics · new to IoT

Topics: 10
Replies: 54
Points: 0

Newcomer10 points to Member

Topics Engaged In

Topics Replies Voices Last post

Solved Updating 30 ESP32 room sensors without a ladder: do I really need to send the .bin over MQTT?

by davidp11 in Device profiles and provisioning · 4 replies

4 3 3 months, 3 weeks ago by davidp11

Solved Nano + RFM95 sensor sends one LoRaWAN uplink on a power bank and then goes silent

by davidp11 in LoRaWAN, NB-IoT and cellular · 5 replies

5 4 3 months, 3 weeks ago by kevin.cto

Solved Can my relays just subscribe to their own MQTT topic, or does Hermetry want something else for actuators?

by kevin.cto in MQTT and HTTP · 6 replies

6 5 3 months, 4 weeks ago by kevin.cto

Solved Floats come out as garbage when my Uno reads a Nano over I2C

by fw_owen in Arduino · 6 replies

6 5 4 months, 1 week ago by fw_owen

Solved Drawing our hydraulic power unit in the SCADA designer: what is this valve, and which symbol do I use?

by kevin.cto in SCADA 2D library · 4 replies

4 3 4 months, 2 weeks ago by kevin.cto

Solved ESP32 driving a RAK3172 over UART: no reply to AT commands, then how to join

by davidp11 in LoRaWAN, NB-IoT and cellular · 4 replies

4 4 4 months, 4 weeks ago by davidp11

Solved Heating on/off switch on the board for an ESP8266 relay next to our office thermostat

by kevin.cto in Dashboards and widgets · 6 replies

6 5 6 months, 3 weeks ago by ciaran55

Solved Request: people and forklift detection on camera streams, or should that run at the edge?

by emily30 in Feature requests · 6 replies

6 6 7 months, 4 weeks ago by emily23

Solved Twelve Nanos across an 80 m greenhouse: least wiring back to one gateway?

by thompsonfw in Modbus, OPC UA and fieldbus · 7 replies

7 6 8 months ago by thompsonfw

Solved Button on a board to open the yard gate, but my command doesn’t show up in the control settings

by jason_fw in Dashboards and widgets · 6 replies

6 5 8 months, 3 weeks ago by lynchlab

Solved ESP8266 only reaches the broker when I give it a static IP, and IT won’t allow static IPs

by ops_keisha in MQTT and HTTP · 4 replies

4 4 10 months ago by ops_keisha

Solved Uploading to a Nano through an HC-05 fails with stk500_getsync not in sync

by pretoriusfm in Supported devices and hardware · 8 replies

8 7 10 months, 2 weeks ago by pretoriusfm

Solved MAX485 on our gateway dies every few weeks on an 80 m bus between two buildings

by harrisplc in Modbus, OPC UA and fieldbus · 5 replies

5 4 10 months, 3 weeks ago by kevin.cto

Solved STM32 with a MAX3485 gets my own echo and loses the start of the Modbus reply

by thompsonplc in Modbus, OPC UA and fieldbus · 5 replies

5 4 11 months ago by thompsonplc

Solved ESP32 scanner finds my sensors on GPIO32/33, the libraries do not

by ciaran55 in Arduino · 6 replies

6 6 11 months, 1 week ago by ciaran55