|2023-07-21||ISRM v2.1.9||1. Fixed the issue of no PWM output caused by abnormal conditions such as specific false data or exceeding the limitation of devices connected in the S.Port link (>27 units).
Note: Please make sure the involved Receiver [Archer series (except for RS), R-XSR, RXSR-FC, RX4R, RX6R, G-RX6, G-RX8] or Transmitter [ISRM-N, ISRM-Pro, ISRM-S series RF module] in using have been both upgraded with this update or later version.
|2021-02-03||ISRM v2.1.6||Update to work with Archer RS 2.1.6 racing mode.
Fixed the issue that the default pin assignment for PIN6 was CH1.
Note: Please also update the firmware of all your radios & RS receiver accordingly.
|2020-04-21||ISRM v2.1.0||1.Improved reliability and stability of signal connection
2.Increased the range of control
3.Improved the stability of telemetry feedback
4.Added FLR ( Frame Lost Rate) display.
5.Added configurable function for telemetry power.
6.Added the option for switching S.Port / F.Port protocol
* the suggested alarm value for ACCESS RSSI is 32/35.
7.To be compatible with v2.1.x ACCST firmware for ACCST D16 mode.Note: Please update the firmware of all your radios(latest openTx or FrOS), RF modules and receivers accordingly.
|2019-08-12||ISRM v1.1.3||Firmware for ISRM(internal RF module) update only.
1. Further reduce the system latency.
2. Optimize algorithm of RSSI.
3. Increase PWM signal period to 7ms.
Note:Please update firmware of receiver and radio to the latest versions accordingly.
Please take care of that your servos are compatible to 7ms PWM signal.
Please read reame.txt before update.
|2019-06-05||ISRM v1.1.2||1. Fix the power management unit issue for external module.
2. Add the support of R9M Lite module (ACCST) .
3. Add the support of D16 mode for ISRM.
4. Fix other small bugs.
* ISRM_P is the firmware for internal module.
* Please make sure to update the radio firmware firstly and then ISRM and PMU.
* Please do PMU updates ONLY for the radios which has the external power management issue .
|2019-05-10||ISRM v1.1.1||1. Fix the random external antenna warning issue.
2. Support GVAR and HELI .
ISRM_P is the firmware for internal module.
|2021-02-09||210208||Update to opentx v2.3.12 to support racing mode.
Spec function shall be set after Racing Mode is ticked in the RF System menu (under ACCESS & 8 Channel mode) to make it effective.
|2020-08-11||200617||Update to opentx v2.3.9.||540KB||DOWNLOAD|
|2019-07-23||190720||1. Perfectly support R9M Lite and R9M Lite Pro modules on both ACCESS and ACCST modes .||539KB||DOWNLOAD|
|2019-07-02||190626||1.Add the support of R9M Lite module (ACCESS) .
2. Support update OTA ( Over The Air )function.
3. Fix the bugs about radios sometimes cannot totally power down.
4. Optimize the PARA wireless module connection.
5. Improve the process for PMU update.