v3.9.0-beta.1 - Cards (beta)

BambuHelper v3.9.0-beta.1 - Cards (beta)

This is a BETA. It is not offered by "Check for updates" and it is not in the web flasher - you install it by hand, and only if you want to try the new screen. Things may not work yet. I am still working on it, so please report anything odd in Issues (a photo of the screen helps a lot).

What is new: the "Cards" print screen

A new, calmer print screen next to the classic gauges: a big progress percentage, the time left, the finish time, a progress bar, and one row of temperatures - readable from across the room. The idle and finished screens follow the same style.

• Plate preview - the thumbnail of what is printing right now, taken from Bambu Cloud (needs the Bambu account sign-in on the device; works for LAN and Cloud printers bound to that account). Until it arrives, the AMS slots show instead.
• Filaments of this print - optional bottom row listing only the filaments the job uses (e.g. PLA plus a PETG support interface), with how much is left on each spool.
• AMS column with the feeding slot highlighted, or nothing - your choice.
• Temperatures for what your printer has - both nozzles on H2 printers, chamber only where there is a sensor, AMS temperature and humidity.
• Job name scrolls when it is too long; finish time shows "+1" when the print ends tomorrow; plug power (W) and door state in the header; progress bar shimmer.
• Text is antialiased properly on light backgrounds too - try the new Warm paper colour preset.

How to turn it on

Web interface -> Display:

• Print screen style -> Cards (beta)
• Card: left column -> AMS slots, None or Plate preview
• Card: bottom row -> Temperatures or Filaments of this print

Colours come from the Colors section (Background, Text, Progress Bar, Finish time, Status OK, ...). Split view (two printers at once) keeps the classic gauges.

Boards

Only boards with PSRAM get Cards. CYD-style boards without PSRAM are not supported (the screen does not render correctly there yet), so there is no file for them in this beta.

Build target	Board	Display	Cards tested on hardware	Plate preview
ws_lcd_200	Waveshare ESP32-S3-Touch-LCD-2	240x320	yes (landscape + portrait)	yes
esp32s3	ESP32-S3 Super Mini	240x240	yes	yes
jc3248w535	Guition JC3248W535	320x480	yes (landscape + portrait)	yes
ws_lcd_280	Waveshare ESP32-S3-Touch-LCD-2.8	240x320	not yet	yes
es3n28p	QD ES3N28P 2.8"	240x320	not yet	yes
sc05_x	Panlee SC05_X 2.8"	240x320	not yet	yes
ws_lcd_154	Waveshare ESP32-S3-Touch-LCD-1.54	240x240	not yet	yes
ws_lcd_350	Waveshare ESP32-S3-Touch-LCD-3.5	320x480	not yet	yes
wt32_sc01_plus	Panlee WT32-SC01 Plus 3.5"	320x480	not yet	yes
esp32s3_zero	Waveshare ESP32-S3-Zero	240x240	not yet	no (flash space)
esp32s3_zero_320	Waveshare ESP32-S3-Zero	240x320	not yet	no (flash space)

"Not yet" means it builds and should work like the tested board with the same screen size, but nobody has seen it on that board - if you have one, a photo in an issue is very welcome.

How to install (manual OTA)

1. You need a board that already runs BambuHelper (install v3.8.3 from the web flasher first if not).
2. Optional but recommended: web interface -> WiFi & System -> Settings backup -> Export backup.
3. Download the -ota.bin for your board from the files below.
4. Web interface -> WiFi & System -> Firmware update -> Manual update -> pick the file -> Upload firmware.

Your settings carry over. Cards stays off until you switch it on, so after the update the device looks and behaves like v3.8.3.

Going back: upload the v3.8.3 -ota.bin for your board the same way. Settings are kept both ways (tested on ws_lcd_200: beta -> v3.8.3 -> beta, and export/import).

When the final v3.9.0 is out, "Check for updates" will offer it to beta users as usual.

Also in this build

• Changes on main since v3.8.3: the configured hostname is sent over DHCP (#192) and the CYD 2.4" ESP32-2432S024 board (#186).
• The esp32s3 (Super Mini) build is compiled without C++ exceptions, like the ESP32-C3 build, to make room on its 4 MB flash. If your Super Mini reboots unexpectedly on this beta, please tell me.

Known limitations

• Plate preview needs Bambu Cloud. Reading it locally from the printer is planned for printers with an SD card (P1/X1/A1); H2 printers do not expose the file locally.
• A spool on the external holder (no AMS) shows as "?" in "Filaments of this print".
• Not available on boards without PSRAM (CYD family, ESP32-C3) or on round displays.