Given my recent experience buying a b1248 on eBay and actually receiving a gd1144 (incorrectly or deceptively labelled as a b1248), I thought I'd share the more promising prospects for online purchasing of b1248 and b1236 badges.
I hope that the wares sold by the following vendors will prove to be compatible with the Firmware @Effix has skillfully designed for this project. Here goes:
Notes: Only products shown in boldface have been purchased and verified. The accuracy of these listings is largely untested, so buyer beware!
Given my recent experience buying a b1248 on eBay and actually receiving a gd1144 (incorrectly or deceptively labelled as a b1248), I thought I'd share the more promising prospects for online purchasing of b1248 and b1236 badges.
I hope that the wares sold by the following vendors will prove to be compatible with the Firmware @Effix has skillfully designed for this project. Here goes:
Shenzhen Delong Technology - offers a wide range of LED badge products, including b1248s and b1236s. They also offer b1144s and b1133s, which are a bit cheaper and ship with better bundled software. http://www.delongtech.cn
Hangel Technology - offers b1248s in six colours. I've had the resolution confirmed via follow-up contact. http://www.hangeltech.com/12x48-Dots-LED-Name-Badge-Programmable-Message-Badge-Name-Card-pd743293.html
Hangel Technology - also offers b1236s in six colours. http://www.hangeltech.com/12x36-Pixels-Programmable-LED-Name-Tag-Badge-Display-pd133293.html
HUIJIE - sells b1248, b1236 and b729 LED Badges (with images that match those specifications). White b1248s are listed with 11*44 resolution while others are consistent with labelling: https://www.aliexpress.com/store/group/LED-NAME-CARD-DISPALY/718814_100133041.html
colortop9 (eBay seller) - sells red b1248s (with one program/brightness button and ARM controller) https://www.ebay.com.au/itm/Programmable-LED-Digital-Scrolling-Message-Name-Tag-Id-Badge-12x48-Pixels-E8O6/302751067892
JD LED - offers red b1248s (with accurate images and specs): https://www.aliexpress.com/item/led-name-card-led-mini-sign-Led-name-badge-LN-1248R/725506574.html
Slw6668888 - offers six colours of b1236s (with images showing correct number of LEDs): https://www.dhgate.com/product/high-quality-12-36-dots-led-name-badge-red/269871612.html?recinfo=17,null,1#svh-1-5|null:null:r0537435988
Shop-fun.com - offers b1236, available colours unclear. Images show unusual layout of pixels, with each column offset half-a-pixel from the next: http://www.shop-fun.com/index.php?route=product/product&keyword=led+badge&category_id=0&product_id=55924
Notes: Only products shown in boldface have been purchased and verified. The accuracy of these listings is largely untested, so buyer beware!