#How to upgrade?
Tools: Pickit3.5 (available on AliExpress.com)
Firmware: Contact bi3qwq@gmail.com
to get the latest firmware files.
(Please attach a screenshot of your purchase order and a photo of the product version number from the startup LOGO screen in your email.)
Video Tutorial:
https://www.youtube.com/watch?v=RyQoTaVXbJI
History
v1.25.6a (June 1, 2025)
1.Optimized tuning algorithms to improve tuning success rates
v1.25.1a (January 2, 2025)
2.Fixed the bug where the button failed at boot
v1.24.11a (September 10, 2024)
2.Adjusted the center frequency to 15MHz to calibrate the power algorithm (previously 7MHz)
v1.24.10a (September 10, 2024)
1.Modified power-on function: press and hold [TUNE] when powering on to enter manual tuning mode automatically, turn off auto-tuning, and display “AUTO=NO” on screen
v1.24.5a (April 8, 2024)
1.Changed [TUNE MIN ADC] to [TUNE MIN PWR], options: 0.1W / 1W / 2W / 5W
v1.24.1a (January 15, 2024)
1.Changed “SWR” bar interface label to “MAX” (maximum SWR value)
v1.23.1a (January 2, 2023)
1.Added battery level bar display
2.Optimized default parameters
v1.22.9a (October 28, 2022)
1.Changed FIX AVG default to 8
2.Changed TUNE MIN ADC to 20
v1.22.8c (August 6, 2022)
1.Optimized TUNE SETP function and added deep tuning
v1.22.8a (August 6, 2022)
1.Deleted USER AUTO mode switch and changed to USER COUNT for control to improve execution efficiency
2.Increased FIX AVG to stabilize SWR and power readings
3.Added peak power bar
v1.22.7c (July 26, 2022)
1.Optimized SWR calculation method to handle reverse voltage greater than forward voltage and improved tuning success rate
v1.22.7b (July 23, 2022)
1.Fixed issue where auto-tuning was still turned off in user storage mode
v1.22.7a (July 17, 2022, Major Update)
1.Optimized variables and reduced code size
2.Added 20 sets of auto-stored tuning results
3.Added buzzer sound function
4.Optimized tuning algorithm to enable second-stage tuning based on results
5.Added battery level display
v1.22.6a
1.Optimized variables and reduced overall code space
2.Added 10 sets of auto-stored tuning results to improve tuning speed
3.Added AT-100M II second-generation motherboard support
v1.22.5h
1.Fixed issue where tuning failed again after one tuning, requiring reboot
v1.22.5g
1.Changed TUNE MIN ADC range to 50–5 in steps of 5
2.Changed float to unsigned int to optimize space
v1.22.5f (May 10, 2020)
1.Adjusted TUNE MIN ADC to 50–5,5
v1.22.5e (April 30, 2020)
1.Fixed power display bug (20–30W flicker when corrected power >70W) caused by MCU memory overflow
v1.22.5d (April 24, 2020)
1.External upgrade version with optimized internal code
v1.22.5c (April 24, 2020)
1.Increased relay response speed and set TUNE DELAY default to 26ms
v1.22.5b (April 23, 2020)
1.Added default relay test interface on first startup
v1.22.5a (April 23, 2020)
1.Major upgrade – fully redeveloped Tiandiao system program
v1.22.3
1.Based on v1.22.2, added relay testing function (supports up to 15 relays) for assembly and troubleshooting
v1.22.2
1.Added new boot configuration menu
2.Improved power detection accuracy
3.Total of 4 updates in this version