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Add RM Dual-Band GemX ER PWM Receivers #250

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Merged
jurgelenas merged 3 commits into from
Sep 28, 2026
+110 −0
Merged

Add RM Dual-Band GemX ER PWM Receivers #250

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6ddebbd
Add RM Dual-Band GemX ER PWM Receivers
deadbytefpv Sep 11, 2026
22a629a
Add LNA gain value and vbat min and max
deadbytefpv Sep 11, 2026
79bf449
Extra hardware settings for V4
pkendall64 Sep 11, 2026
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46 changes: 46 additions & 0 deletions RX/Radiomaster ER Series.json
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Original file line number Diff line number Diff line change
@@ -0,0 +1,46 @@
{
"serial_rx": 44,
"serial_tx": 43,
"radio_busy": 4,
"radio_dio1": 5,
"radio_miso": 15,
"radio_mosi": 16,
"radio_nss": 3,
"radio_rst": 6,
"radio_sck": 7,
"radio_busy_2": 34,
"radio_dio1_2": 8,
"radio_nss_2": 33,
"radio_rst_2": 1,
"radio_dcdc": true,
"radio_rfsw_ctrl": [15, 4, 4, 0, 0, 14, 0, 13],
"power_min": 0,
"power_high": 3,
"power_max": 3,
"power_default": 3,
"power_control": 0,
"power_values": [13, 16, 19, 22],
"power_values_dual": [-8, -5, -1, 3],
"power_lna_gain": 12,
"led_rgb": 48,
"led_rgb_isgrb": true,
"ledidx_rgb_status": [0],
"ledidx_rgb_boot": [0],
"button": 0,
"pwm_outputs": [21, 35, 13, 14, 11, 12, 2, 9, 37, 36, 39, 38],
"vbat": 10,
"vbat_offset": -30,
"vbat_scale": 409,
"vbat_atten": 7,
"vbat_cal_min": 3600,
"vbat_cal_max": 70000,
"vbat_noreading": -1,

"vsrc1": 19,
"vsrc1_atten": 7,
"vsrc1_cal_min": 3500,
"vsrc1_cal_max": 16000,
"vsrc1_offset": -17,
"vsrc1_scale": 1547,
"vsrc1_noreading": 8
}
64 changes: 64 additions & 0 deletions targets.json
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Original file line number Diff line number Diff line change
Expand Up @@ -3788,6 +3788,70 @@
"min_version": "3.5.0",
"platform": "esp32",
"firmware": "Unified_ESP32_LR1121_RX"
},
"er12": {
"product_name": "RadioMaster ER12 Dual Band True Diversity RX",
"lua_name": "RM ER12",
"layout_file": "Radiomaster ER Series.json",
"upload_methods": ["uart", "wifi"],
"min_version": "3.5.0",
"platform": "esp32-s3",
"firmware": "Unified_ESP32S3_LR1121_RX"
},
"er16": {
"product_name": "RadioMaster ER16 Dual Band True Diversity RX",
"lua_name": "RM ER16",
"layout_file": "Radiomaster ER Series.json",
"overlay": {
"pwm_outputs": [21, 35, 13, 14, 11, 12, 2, 9, 37, 36, 39, 38, 41, 40, 47, 42],
"vsrc2": 17,
"vsrc2_cal_min": 3500,
"vsrc2_cal_max": 16000,
"vsrc2_atten": 7,
"vsrc2_offset": -12,
"vsrc2_scale": 1540,
"vsrc2_noreading": 8,
"vsrc3": 18,
"vsrc3_cal_min": 3500,
"vsrc3_cal_max": 16000,
"vsrc3_atten": 7,
"vsrc3_offset": -12,
"vsrc3_scale": 1540,
"vsrc3_noreading": 8
},
"upload_methods": ["uart", "wifi"],
"min_version": "3.5.0",
"platform": "esp32-s3",
"firmware": "Unified_ESP32S3_LR1121_RX"
},
"er3p": {
"product_name": "RadioMaster ER3pro Dual Band True Diversity RX",
"lua_name": "RM ER3Pro",
"layout_file": "Generic LR1121 True Diversity.json",
"overlay": {
"radio_rfsw_ctrl": [15, 4, 4, 0, 0, 14, 0, 13],
"power_values": [13, 16, 19, 22],
"power_values_dual": [-8, -5, -1, 3],
"pwm_outputs": [4, 23, 19],
"vbat": 35,
"vbat_offset": 11,
"vbat_scale": 409,
"vbat_noreading": 8,
"vbat_atten": 7,
"vbat_cal_min": 3600,
"vbat_cal_max": 70000,
"vsrc1": 38,
"vsrc1_atten": 7,
"vsrc1_cal_min": 3500,
"vsrc1_cal_max": 16000,
"vsrc1_offset": -26,
"vsrc1_scale": 1552,
"vsrc1_noreading": -1
},
"upload_methods": ["uart", "wifi", "betaflight"],
"min_version": "3.5.0",
"platform": "esp32",
"firmware": "Unified_ESP32_LR1121_RX"
}
}
},
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