Embedded Computing
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LoRa Typie-Walkie with E-Paper Screen

8/13/2022

 
The initial version of the typie-walkie project used WiFi as radio. However, WiFi does not match the low-power feature of the e-paper screen.

Which radio to feature low-power? LoRa came up as a good alternative for short messages over long distances.

The new version runs on the iLabs Challenger RP2040 LoRa board, which combines a RP2040 MCU with a RFM95W-SX1276 sub-1 GHz radio.

Discover the new version of the project.
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IoT Typie-Walkie with E-Paper Screen

8/9/2022

 
Everyone knows the talkie-walkie, but sound requires a large bandwidth. Here is a variant with an e-paper touch-screen.

The capacitive touch turns the e-paper screen into a human-machine interface. The user type the message with the keyboard and then press Send. The message is sent and displayed on the remote screen.

Discover the full project.
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HMI with EPD Extension Kit Gen 3-1 and EXT3-Touch

8/2/2022

 
The last revision of the EPD Extension Kit Gen 3-1 supports the EXT3-Touch, an expansion board for touch​. With this combination, Pervasive Displays​ brings a whole new dimension to e-paper displays. 

​Instead on being passive devices, e-paper displays are now active input devices, perfectly suited for ultra-low power human-machine interfaces (HMI). 

Learn more at Pervasive Displays e-Paper EPD Extension Kit Gen 3-1 and Touch​.
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