#How to upgrade?
1.Tools:Pickit3.5(You can buy it from AliExpress.com)
2.Firmware:Contact bi3qwq@gmail.com for get the latest firmware files.
(Please add a screenshot of the order information of the purchased product to the email file 
and take a photo of the version number of the product startup LOGO screen.)


v1.24.5a (April 8, 2024)
1、Modify [TUNE MIN ADC] to [TUNE MIN PWR],options 0.1W/1W/2W/5W

V1.24.1a (January 15, 2024)
1. Modify Bar Interface "SWR" to "MAX"(max swr value)

V1.23.1a (January 2, 2023)
1. Add battery bar display interface
2. Optimize default parameters

V1.22.9a (October 28, 2022)
1. Modify FIX AVG to default to 8
2. Modify TUNE MIN ADC to 20

V1.22.8c (August 6, 2022)
1. Optimize TUNE SETP function and increase deep tuning

V1.22.8a (August 6, 2022)
1. Delete the USER AUTO user storage mode automatic tuning switch and change it to USER COUNT for control, improving program execution efficiency
2. Increase the average value of FIX AVG to make the standing wave value and power value more stable.
3. Increase peak power bar

V1.22.7c (July 26, 2022)
1. Optimize the standing wave calculation method, consider the scenario where the reverse voltage is greater than the forward voltage, and improve the tuning success rate

V1.22.7b (July 23, 2022)
1. Fix the issue of automatic tuning still turning off when in user storage mode

V1.22.7a (July 17, 2022, major upgrade)
1. Optimize variables and compress the overall code usage space.
2. Add automatic storage results to 20 groups
3. Add buzzer sounding function.
4. Optimize the tuning algorithm to achieve second tuning based on the tuning results.
5. Increase the battery level display.

v1.22.6a
1. Optimize variables and compress overall code usage space
2. Add 10 sets of automatically stored tuning results, greatly improving tuning speed
3. Add AT-100M II second-generation motherboard support

v1.22.5h
1. Unable to tune after tuning once, requires a reboot to tune

v1.22.5g
1. Modify the TUNE MIN ADC range to 50-5 in steps of 5
2. Modify float to unsigned int to optimize space

v1.22.5f
May 10, 2020
1. Adjust TUNE MIN ADC to 50-5,5

V1.22.5e Upgrade Content
April 30, 2020
1. When the corrected power is greater than 70 watts, the sudden display of a power bug of 20 or 30 watts is due to a memory overflow in the microcontroller

V1.22.5d Upgrade Content
April 24, 2020
This version is an external upgrade version that optimizes internal code. Customers returning upgrades will be based on this version.

V1.22.5c Upgrade Content
April 24, 2020
1. Increase the response speed of the relay and default the TUNE DELAY parameter to 26ms

V1.22.5b Upgrade Content
April 23, 2020
1. This upgrade has added the default interface for entering the relay testing function upon first startup

V1.22.5a Upgrade Content
April 23, 2020
This upgrade is a major upgrade, redeveloping the entire Tiandiao system program, the first internal test version

V1.22.3 Upgrade Content
This upgrade mainly builds on v1.22.2 and upgrades the relay testing function, which can achieve switch testing of 15 relays. It is generally used to test whether the transistor, relay, and pins are working properly after assembly, and is used for troubleshooting and is very practical. The upgrade features are as follows.

V1.22.2 version upgrade content
The new firmware version is v1.22.2, which mainly upgrades the boot configuration menu and provides more accurate power detection. There are a total of 4 updates in this version, as follows.