To date, quite a few prototype expansion modules have been developed for ESPboy. There are almost 30 so far. The prototypes are fine-tuned, both the hardware part and the software part. All prototypes are made on breadboards to date. It's time to make the factory PCBs! 

For a start, I made three

1. CC1101 for ESPboy Sub1Ghz inspector and ESPboy scanner

2. LORA for ESPboy LORA up to 8km offgrid messenger

3. Weather station for ESPboy weather station :)

Ordered the fabrication on easyeda. After the tests, all circuits and boards will be available for ordering at EasyEda.com, and probably also available for purchase at Tindie.com

Continuing to add apps and games from my childhood to the ESPboy AppStore

ZX Spectrum 48K games added:



1. Astromarines corps

2. Bonnie & Clide

3. Boulderdash

4. Chronos

5. Commando

6. Cybernoid

7. Dizzy1 extended

8. Flying shark

More additions are planned for next week.


Stay tuned!

ESPboy walkie-talkie using UHF/VHF 2watt SA868/818 module

Source code: https://github.com/ESPboy-edu/ESPboy_WalkieTalkie

The most famous Dyno in the world ) Thanks to Chrome browser!

Source code of ESPboy fork
https://github.com/ESPboy-edu/ESPboy_t-rex_duino

Original code by Alexander Blk for Arduino and OLED 128x64
https://github.com/AlexIII/t-rex-duino

Just ported for fun famous Doom-nano by David Ruiz for the ESPboy

This is not an actual Doom game, just picked some sprites from it (and simplified a lot). The rendering engine is more like a Wolfeistein 3D.

Original code by David Ruiz for Arduino Nano and OLED 128x64
https://github.com/daveruiz/doom-nano

Source code of ESPboy fork
https://github.com/ESPboy-edu/ESPboy_doom-nano

Scan the radio band in the defined limits 300-348 MHz, 387-464 MHz and 779-928 MHz, as long as the CC1101 chip allows. Select the desired frequency and pitch. Easily determine the frequency of active radio signals around you.

Source code https://github.com/ESPboy-edu/ESPboy_Sub1GhzScanner

ESPboy module - Smart ice fishing rod tests OK

5 hours of continuous operation at -5C in wind and snow without any signs of degradation or problems

Improved breadboard ESPboy. Just 6 cheap parts overall

DIY instructions

ESPboy ZX48 LinKeFong core and improved sound rendering

ZX spectrum 48K emulator released.

Fast speed and almost ideal beeper sound rendering engine

Here is the code

https://github.com/ESPboy-edu/ESPboy_ZX48_LinKeFong