thompsonplc

@lthompson · Joined May 2025

Newcomer

Automation engineer · pharma · 14 years in the field

Topics: 7
Replies: 65
Points: 0

Newcomer10 points to Member

Topics Engaged In

Topics Replies Voices Last post

Solved “No default controller available” on an old Pi 3 with Stretch, needed for BLE cold-room tags

by thompsonplc in Raspberry Pi · 5 replies

5 4 10 months, 1 week ago by thompsonplc

Solved PubSubClient connect() fails with rc=2 when I build the client ID from String objects

by maker_david in Arduino · 6 replies

6 5 10 months, 2 weeks ago by maker_david

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 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 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 Bash script on my Pi pings remote sites but Hermetry stores a weird raw value

by brooksdata in Alarms and notifications · 6 replies

6 5 1 year, 1 month ago by brooksdata

Solved No screen, no keypad: getting Wi-Fi and a token onto 12 ESP32-C3 lab nodes

by lynchlab in Device profiles and provisioning · 9 replies

9 7 1 year, 1 month ago by ciaran55

Solved Negative temperatures from my LoRa node show up as 65486 in Hermetry

by emily30 in LoRaWAN, NB-IoT and cellular · 4 replies

4 4 1 year, 1 month ago by emily30

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 Pi Zero + SIM7600 trailer tracker drains a 10 Ah power bank in nine hours

by wilsonmaker in LoRaWAN, NB-IoT and cellular · 8 replies

8 6 1 year, 1 month ago by ciaran55

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 HC-05 answers ERROR:(0) to every AT command except plain AT

by thompsonplc in Supported devices and hardware · 4 replies

4 4 1 year, 2 months ago by thompsonplc

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 Pi as Modbus RTU master for six PIC slaves on one RS-485 line: replies collide and get garbled

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

5 4 1 year, 2 months ago by thompsonplc

Solved pH alarm for a hydroponic tank that swings every time the dosing pump runs

by lynchlab in Alarms and notifications · 3 replies

3 3 1 year, 2 months ago by lynchlab