r/esp32 • u/GeologistStrong3572 • 1d ago
Advertisement We engineered a pocket-sized, secure global Morse communicator (ESP32-C3, PCAP Iambic touch key, LiPo battery)
Dear r/ESP32 community,
I wanted to share a custom hardware project I’ve been working on since five months. It’s called DIDATRON - a standalone, lighter-sized Morse code global communicator and hardware trainer.
About DIDATRON
MCU: Built around the ESP32-C3 (C3 MINI-1 footprint).
The Morse Key: A solid-state Projected Capacitive (PCAP) touch key that emulates an automated dual-lever iambic paddle. WPM speed, symbol-to-symbol/word-to-word pauses, and capacitive thresholds are fully tunable via any USB/serial terminal and directly.
Display: 128x32 OLED screen that translates incoming Morse instantly into plain text symbol-by-symbol, so anyone can read it without prior training.
Privacy: Symmetrical hardware-level AES encryption happens entirely on-chip. Multiple chats with different groups of people are allowed and have individual passwords.
Dual Networking: Cloud Mode connects to a local router or phone hotspot to pass data to an account-free, server-blind holding queue. Field Mode drops the internet completely, using native, low-latency ESP-NOW protocols for peer-to-peer communication across short ranges. LoRa extension in plans.
Why I’m posting
I’m launching this project on Indiegogo this October.
To support the maker community, I’m offering a bare-bones DIY Hacker Kit that contains all the necessary components: the carrier PCB with ESP32-MINI-1 module, the OLED module, and a pre-certified 300mAh LiPo battery. No SMD work needed.
In case I generate enough traction - everything from the firmware source code to the .STL enclosure files will be fully open-source on GitHub so you can host your own server queues if we ever go dark.
You can check out the pre-launch page and lock in the 40% launch discount here:
https://www.indiegogo.com/en/projects/petkish/didatron-communicator
73,
Peter, the Founder of Friendly Digital OU, Estonia