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--- projects:amateur_radio:meshtastic:components:gat562 [2025/12/22 16:57] – [GAT562] Andrew Yong
+++ projects:amateur_radio:meshtastic:components:gat562 [2025/12/24 10:21] (current) – [Bootloaders] Andrew Yong
@@ Line 12: / Line 12: @@
   * [[https://shop.mtoolstec.com/product/meshtiny|Meshtiny]]
+===== Pinouts =====
-===== Firmware =====
+==== GAT562 Solar EVB ====
+  * USB - //closest to LEDs//
+    - +5V (RD) (square pad)
+    - USBD- (WH)
+    - USBD+ (GN)
+    - GND (BK)
+  * SWD/J-Link - //closest to BT ANT//
+    - GND (square pad)
+    - SWCLK
+    - SWDIO
+    - +3V3
+  * RST pad - short to GND (e.g. metal shield on module to reset
+    * Reset twice within 500 ms to enter DFU mode (USB disk UF2 upload and CDC serial upload with nrfutil)
+  * S-, S+ - ≤6 V solar panel
+  * B-, B+ - 4.2V lithium cell (or multiple cells in parallel)
+===== Meshtastic Firmware =====
 RAK4631 firmware natively works on GAT562-based boards. Pinout and peripherals are mostly identical.
@@ Line 21: / Line 38: @@
   * [[https://github.com/meshtastic/firmware/tree/master/variants/nrf52840/gat562_mesh_trial_tracker|gat562_mesh_trial_tracker]]
   * [[https://github.com/meshtastic/firmware/tree/master/variants/nrf52840/meshtiny|meshtiny]]
+==== Vendor Firmware Binaries ====
+^ File ^ Applicable Product(s) ^ Flashing Method ^ Date ^ Version Number ^ Commit ^ Notes ^
+^ {{:projects:amateur_radio:meshtastic:components:gat562_mesh_solar_relay_2.7.16_1124.uf2}} | GAT562 Mesh Solar Relay | USB (Disk) | ❓ | 2.7.16 | ❓ | Untested |
@@ Line 26: / Line 48: @@
 ^ File  ^ Applicable Product(s) ^ Flashing Method ^ Date ^ Version Number ^ Commit ^ SoftDevice ^ Model ^ BLE OTA ^ Notes ^
-^ (None) | GAT562 Module\\ GAT562 Mesh Solar Relay\\ GAT562 Solar EVB | N/A | ''Jun 10 2025'' | 0.4.3 | ❓ | S140 SoftDevice v6.1.1 | WisBlock RAK4631 Board | ❌  |   |
+^ (None) | GAT562 Mesh Solar Relay | N/A | ''Dec  1 2021'' | 0.4.2 | gaf8e5a90 | S140 SoftDevice v6.1.1 | WisBlock RAK4631 Board | ✅ Slow |   |
+^ (None) | GAT562 Mesh Solar Relay | N/A | ''Jun 10 2025'' | 0.4.3 | ❓ | S140 SoftDevice v6.1.1 | WisBlock RAK4631 Board | ❓  |   |
+^ (None) | GAT562 Mesh Solar Relay | N/A | ''Jun 13 2025'' | 0.9.2 | ga48e944 | S140 SoftDevice v6.1.1 | GAT562 Mesh Trial Tracker | ❓ |   |
 ^ {{:projects:amateur_radio:meshtastic:components:gat562_bootloader-geb397aa_s140_6.1.1_0713.hex}}  | GAT562 Module\\ GAT562 Mesh Solar Relay\\ GAT562 Solar EVB | SWD (J-Link)  | ''Nov  8 2025'' | 0.4.5 | ❓  | S140 SoftDevice v6.1.1 | GAT562 BOARD | ❓  | **Untested** |
 ^ {{:projects:amateur_radio:meshtastic:components:update-gat562_board_bootloader-0.4.5_nosd.uf2}}  | GAT562 Module\\ GAT562 Mesh Solar Relay\\ GAT562 Solar EVB | USB (Disk)  | ''Nov  8 2025'' | 0.4.5  | ❓  | None  | GAT562 BOARD | ✅ Fast | Tested on GAT562 Solar EVB  |

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