# Random thinks eventually this is the original manufacture: [Shenzhen Lesun Electronics Co., Ltd.](https://lesun-led.en.alibaba.com/) please verify the measurements ;-) ## 11x44 screen size: 85x23mm | 78x22mm pixel pitch: 1.93mm | 1.77mm ### controller [(source picture)](https://github.com/jnweiger/led-name-badge-ls32/pull/14#issuecomment-513202342) MindMotion MM32L062PF ARM Cortex-M0 48MHz 64KB Flash, 8KB RAM, 39 IO, LQFP48 [MM32L0 Documents](http://www.mindmotion.com.cn/en/download.aspx?cid=2564) [MM32L0 ordering/features overview](http://www.mindmotion.com.cn/userfiles/images/MM32L0XiLieWenDang/DS_MM32L0xx_n_V2.13_EN.pdf#page=10&zoom=auto,-125,817) ## 12x48 screen size: 85x23mm pixel pitch: ??.?mm ### controller MindMotion MM32L052PF ARM Cortex-M0 48MHz 32KB Flash, 4KB RAM, 39 IO, LQFP48 [MM32L0 Documents](http://www.mindmotion.com.cn/en/download.aspx?cid=2564) ## 11x55 screen size: 93x23mm pixel pitch: 1.77mm ### controller ?? MM32W062PFB ?? acording to [this list](http://www.mindmotion.com.cn/userfiles/images/MM32%20MCUXuanXingBiao/%e7%81%b5%e5%8a%a8%e5%be%ae%e7%94%b5%e5%ad%90%e5%ae%a3%e4%bc%a0%e5%86%8c_SC_SD_2019515.pdf#page=7&zoom=auto,-268,374) the **W** series are the 'Wireless Connectivity' devices.. --- ## bluetooth [Play-Store: Bluetooth LED Name Badge](https://play.google.com/store/apps/details?id=com.yannis.ledcard) - [F1248](https://www.alibaba.com/product-detail/Flexible-Programmable-Scrolling-Bluetooth-LED-Message_62159467977.html) - [B1144](https://www.alibaba.com/product-detail/Bluetooth-LED-Signs-LED-Name-Badge_60676183421.html) - [B1155](https://lesun-led.en.alibaba.com/product/62126138771-805144131/Flashing_Employee_Rechargeable_USB_Led_Magnetic_Bluetooth_Name_Tag.html) [amazon](https://www.amazon.com/Jahuite-Rechargable-Cellphone-Programmable-Bluetooth/dp/B07RRV1X7X/)