Synchro Labs created this project to demonstrate the use of the Synchro mobile app platform with custom hardware:
based on a Raspberry Pi 3 Model B and a custom-designed hardware board used to control four DC liquid peristaltic pump motors using two L293D dual H-bridge ICs
Hardware design files are available on GitHub:
SynchroLabs/DrinkroHardware
Video of Drinkro in action:
Sarunas designed this RC receiver replacement which uses a smart phone as remote controller via WiFi or Bluetooth:
Smart RacerWhy not control your RC car with smart phone?
Features include:
The design files and source code are available on GitHub:
drme/ble-rc
Here’s the Smart Racer in action:
Sarunas built this device to replace a bunch of different remote controls with a smart phone:
Build your own universal remote
Features include:
A solar version was also designed to avoid having to change the battery:
Despite that Bluetooth Low Energy device uses so little of it, the battery will eventually run out. To overcome that, the old device was improved by adding a solar charger.
The design files and source code are available on GitHub:
drme/ble-remote
OSH Park 