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--- projects:amateur_radio:meshtastic:components:gat562 [2025/12/22 16:42] – created Andrew Yong
+++ projects:amateur_radio:meshtastic:components:gat562 [2025/12/22 17:16] (current) – [GAT562] Add solar EVB pinout Andrew Yong
@@ Line 1: / Line 1: @@
 ====== GAT562 ======
-This is a series of boards made by [[http://www.gat-iot.com/|Shenzhen GAT IoT Technology Co., Ltd.]] and seems to be almost exclusively built(?)/sold by [[https://www.mtoolstec.com/|MTools Tec]].
+This is a series of boards made by [[http://www.gat-iot.com/|Shenzhen GAT IoT Technology Co., Ltd.]].
   * [[https://shop.mtoolstec.com/product/gat-nrf52840-sx1262-mesh-module|GAT562 Module]]
-  * [[https://shop.mtoolstec.com/product/gat562-mesh-solar-relay-autonomous-off-grid-repeater-for-mesh-networks|GAT562 Mesh Solar Relay]] (similar products using other LoRa modules: [[https://www.keepteen.com/all-products.html|Keepteen D5]])
+  * [[https://www.aliexpress.com/item/1005009830660794.html|GAT562 Mesh Solar Relay (small panel, 800 mAh 14500 battery)]] - :!: the panel is undersized for running Meshtastic except in direct and full sun
+  * [[https://www.aliexpress.com/item/1005009844224821.html|GAT562 Mesh Solar Relay (5W panel, 500 mAh 18650(?) battery)]] (similar products using other LoRa modules: [[https://www.keepteen.com/all-products.html|Keepteen D5]])
   * [[https://shop.mtoolstec.com/product/gat562-mesh-tracker|GAT562 Mesh Tracker]]
+  * [[https://www.aliexpress.com/item/1005009812428258.html|GAT562 Mesh Tracker Pro]]
   * [[https://shop.mtoolstec.com/product/gat562-solar-evb|GAT562 Solar EVB]]
   * [[https://shop.mtoolstec.com/product/gat562-30s-kit-30dbm-mesh-device|GAT562 30s - 30dBm Mesh Device]]
   * [[https://shop.mtoolstec.com/product/meshtiny|Meshtiny]]
-===== Firmware =====
+===== Pinouts =====
+==== 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.
+There is currently no official Meshtastic support for GAT562 products, however there are DIY variants (i.e. you have to compile them yourself) upstream for:
+  * [[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 |
 ===== Bootloaders =====

ndoo.sg

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