# Ender3-Bltouch-firmware This repository contains the firmware for Ender3 with BL Touch Modification , Tested on Board is V4.2.2 STM32F303 or GD "NOT 103"
Built usinng Marlin 2.1.2.3
**Your wiring isint bad , or it is interference , and nor your BL-Touch is bad..... Creality's firmware is.
Make sure your wiring makes sense...**
Probe Connection Point on ender3 V4.2.2 board , using the BL-touch connecter is PB1 --- '#define Z_MIN_PROBE_PIN PB1'
Put the .bin file with an name of your choice (For reflash just change name of .bin)
The version provided here uses Bilinear method for bed leveling , although UBL was also an option.
The .bin file is created with
Although this has also been tested to work although it felt slower on the machine (Placebo? maybe)
Initially tested with below , but switched to other as it was being depreciated
Further Readings...