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 Pallet tilt from an MPU-9250: computing pitch and roll, and why my raw samples get dropped

by kevin.cto in Telemetry data and history · 5 replies

5 5 11 months, 2 weeks ago by kevin.cto

Solved Tapping a 4-20 mA loop that already feeds a locked PLC without disturbing it

by ciaran55 in Modbus, OPC UA and fieldbus · 5 replies

5 4 11 months, 4 weeks ago by ciaran55

Solved Our founder wants ESP32s instead of PLCs now that Hermetry has the data. How do I argue it?

by eric46 in Modbus, OPC UA and fieldbus · 4 replies

4 3 1 year ago by kevin.cto

Solved Broker address typed into a config page as text: how do I turn the string into something the ESP32 can use?

by wilsonmaker in Arduino · 4 replies

4 4 1 year ago by wilsonmaker

Solved smbus2 write_i2c_block_data: what is the “cmd” byte for an ADS1115?

by aisha.maker in Raspberry Pi · 5 replies

5 5 1 year ago by aisha.maker

Solved Tutorial says broker = 192.168.x.x – what address do I put in for Hermetry?

by kevin.cto in MQTT and HTTP · 4 replies

4 3 1 year, 1 month ago by kevin.cto

Solved Forcing an RFM95 node onto 868.1 MHz only, for a bench test against Hermetry LoRaWAN

by thompsonplc in LoRaWAN, NB-IoT and cellular · 6 replies

6 5 1 year, 1 month ago by thompsonplc

Solved Waking an ATmega328P from deep sleep when a battery voltage drops below a set level

by kevin.cto in Arduino · 5 replies

5 4 1 year, 1 month ago by kevin.cto

Solved Hacking an SG90 for continuous rotation to drive a blind from a board slider

by wilsonmaker in Dashboards and widgets · 7 replies

7 7 1 year, 2 months ago by wilsonmaker

Solved ESP8266 logger that is offline half the time: where do I get the time from?

by emily30 in Telemetry data and history · 4 replies

4 4 1 year, 2 months ago by emily30

Solved SDM120 meter ignores my hand-built Modbus frame from a Nano

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

7 5 1 year, 2 months ago by dev_kevin

Logistics founder, not an engineer, learning on the job

by kevin.cto in Introductions · 3 replies

3 3 1 year, 4 months ago by kevin.cto