#POS
2 articles
Workflow
Labels Printing Off-Center? Calibrate the Print Offset Once
After getting the label printer to fire its printhead, the next problem was that the text missed the sticker. I stopped guessing and printed rulers and corner markers to measure it, then clearly separated paper size, printable area, and offset into three distinct values.
Read a Toledo RS-232 Scale over Bluetooth with PowerShell
Connect a TWT-01 digital scale with only an RS-232 port to a PC through a BT578 Bluetooth adapter, then read its weight in real time with PowerShell — from Bluetooth pairing and finding the COM port by MAC address to decoding 18-byte Toledo Continuous frames and the null-byte and scale auto-sleep pitfalls I encountered in practice.