Individual skill
lgt8f328p-minievb
Firmware development for the LGT8F328P-LQFP32 MiniEVB — the Nano-style 30-pin "purple nano" board whose silkscreen reads LGTBF32BP (also sold as BTE21-15A, WAVGAT, LGT8F328P Nano V3.0), built on the Logic Green / Prodesign LGT8F328P, an AVR-instruction-compatible LGT8XM part with a 32 MHz internal RC and no crystal, a 12-bit ADC, an 8-bit DAC on D4, four timers, 80 mA drive pins, SWD instead of ICSP, and EEPROM emulated in program flash. Use when working on this board, any LGT8F328P/LGT8F328D/LGT8FX8P board, or a sketch being ported from an Arduino Nano or ATmega328P: PlatformIO setup with the lgt8fx core, platformio.ini, f_cpu/f_osc/clock_source and why timings come out 2x wrong, pin mapping and the LQFP32 bonded pads, analogRead resolution and reference errors, analogWrite hitting the DAC, EEPROM vanishing after upload, 80 mA outputs, upload failures over CH340/CH9340/HT42B534, SWD recovery, or debugging why something on the board does not work.
skills/avr/lgt8f328p-minievb/SKILL.md
Source commit 816967f30a7dbdf4759ad585b822eda3575f720c
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- Observed behavior
- Not checked yet
- Last checked
- Nov 5, 2026
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Repository context
- Repository stars (not skill ratings)
- 27
- Repository last updated
- Oct 30, 2026
- License
- MIT
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- agentic-ai Repository topic
- arduino Repository topic
- claude-code Repository topic
- esp32 Repository topic
- mcu Repository topic
- pico Repository topic
- platformio Repository topic
- skill-md Repository topic
- skills Repository topic
- stm32 Repository topic
- testing Derived category
Files and excerpt
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Browse files
SKILL.mdcore · 17,384 bytesSKILL.mdcore · 17,384 bytesassets/IMAGE.mddoc · 521 bytesreference/board-hardware.mddoc · 29,921 bytesreference/recipes.mddoc · 12,269 bytestemplate/.gitignoreasset · 13 bytestemplate/README.mddoc · 3,400 bytestemplate/include/board.hasset · 5,586 bytestemplate/platformio.iniasset · 2,198 bytestemplate/src/main.cppasset · 4,818 bytestemplate/variants/minimal/main.cppasset · 754 bytestemplate/variants/new-project.shruns · 1,377 bytes
Read excerpt
# LGT8F328P-LQFP32 MiniEVB ("LGTBF32BP")
A board that looks exactly like an Arduino Nano, takes the same sketches, and is not one. The
LGT8F328P is a Logic Green LGT8XM core that executes the AVR instruction set inside a chip
with a different clock system, a 12-bit ADC, a DAC, four timers, no real EEPROM and no
crystal. `board.build.mcu` is literally `atmega328p`, so **everything compiles and most things
silently behave differently**. Almost every failure on this board is a Nano assumption that
was not true.
Read the reference files rather than reasoning from ATmega328P knowledge.
- `reference/board-hardware.md` — the complete board reference: the LQFP32 pin map with the
four bonded pads, Arduino pin numbering past D19, timer/PWM map, PMX0/1/2 alternate
routing, the HDR high-current table, power tree, clock tree, memory map and the EEPROM