eltek-arduino-programmer
Note: None of this is my work as of yet in this initial commit.
The arduinoProgrammer files are for use with the Leonardo CANBed Arduino ATmega32U4 devices.
The OLED version supposedly works with I2C OLEDs.
https://www.amazon.com/gp/product/B0BG7S918T/ref=ox_sc_act_title_4?smid=A1YP59NGBNBZUR&th=1
https://www.hobbytronics.co.uk/leonardo-canbus
The nodeMCUProgrammer file is for use with this device.
https://www.amazon.com/gp/product/B081CSJV2V/ref=ox_sc_act_title_1?smid=A30QSGOJR8LMXA&th=1
This thread on ES covers most of the details.
https://endless-sphere.com/forums/viewtopic.php?f=14&t=71139&hilit=eltek+program