There are so many nice hacks in [Joekutz]’s retro LED display project that it’s hard to know where to start. There’s his DIY LED display controlled by an Arduino UNO. To have some text or picture for ...
The MLT-BT05 is a readily available, inexpensive Bluetooth 4.0 module based on the Texas Instruments CC2541 Bluetooth Low Energy (BLE) system-on-chip (SoC), sold by various Chinese suppliers and ...