led-name-badge-ls32/research.md

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# 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..




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## 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/)