Author: Cont
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How to Set Up the TekOnline 4-Zone Wall Controller in Home Assistant
Set up the TekOnline four-zone button wall controller in Home Assistant. Check compatible wiring, flash ESPHome, provision Wi-Fi and configure zone controls.
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ESPHome StringRef Compile Error on the 4-Zone Wall Controller
Resolve the ESPHome StringRef compilation issue on the TekOnline four-zone wall controller and check the firmware configuration for your ESPHome version.
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Obsolete HVAC and Building Automation Parts Australia
TekOnline can help source or replace selected obsolete HVAC and building automation parts. Send model numbers and wiring details for an initial assessment.
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Hard-to-Find Automotive Sensors Australia: O2, MAF, ABS, Cam and Crank Sensors
Need an unusual O2 sensor, MAF sensor, ABS sensor, crank sensor or cam sensor? Tekonline can help check sourcing options for selected vehicle sensors.
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Hard-to-Find Tractor and Machinery Parts Australia
Tekonline can help source hard-to-find compatible parts for selected tractors, mowers, compact machinery and equipment.
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Custom Sourced Hydraulic Cylinders and Seal Kits Australia
Need a replacement hydraulic cylinder, ram or seal kit? Tekonline can help source compatible options from photos, dimensions and part numbers.
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Hard-to-Find John Deere Parts Australia: Replacement Cylinders, Hydraulics and Mower Parts
Tekonline can help source compatible replacement John Deere parts, including steering cylinders, hydraulic parts, seals, pins, bushings and mower deck components.
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4-Zone Wall Controller Firmware v2026.05.07 – Hold-to-Dim with Spill Control
Read the historical four-zone wall-controller firmware update covering hold-to-dim controls and spill-zone behaviour, with links to current setup resources.
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Discovery 3 CAN Bus Sniffing, Part 5: Finding the Height Values
Part 5 of the Discovery 3 CAN bus sniffing series: using labelled suspension height captures to find the first likely height-related CAN frame.
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Discovery 3 CAN Bus Sniffing, Part 4: We Have Frames
Discovery 3 CAN bus sniffing series Part 1: OBD pins, incorrect wire colours, and the DIY cable trap Part 2: Bringing up the LilyGO ESP32 CAN board Part…