Lcr T4 Firmware [updated] < 720p >

avrdude -c usbasp -p m328p -U eeprom:w:GM328A.eep:i

can transform this $10–$15 pocket tool into a highly capable piece of test equipment. 🧬 The Origins: Open Source Roots is not an original commercial design. It is based on the AVR TransistorTester lcr t4 firmware

In normal mode, short press enters component test. To measure L/C/R at 100Hz, 1kHz, or 10kHz (derived from PWM): avrdude -c usbasp -p m328p -U eeprom:w:GM328A

The LCR-T4 with proper firmware transforms from a $20 toy into a capable portable component analyzer, rivaling devices costing 5–10× more. rivaling devices costing 5–10× more.