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--- amc:ss2023:datasheets:start [2023/05/16 14:03] – [Adafruit Solar Charger] rolf.becker
+++ amc:ss2023:datasheets:start [2023/06/27 14:01] (current) – [HelTec LoRa ESP32 Board] rolf.becker
@@ Line 1: / Line 1: @@
+~~NOTOC~~
 ====== Some Datatesheets / Tech Doc ======
@@ Line 5: / Line 7: @@
 **Adafruit Universal USB / DC / Solar Lithium Ion/Polymer charger - bq24074**
 \\
-https://www.adafruit.com/product/4755#technical-details
+  * https://www.adafruit.com/product/4755#technical-details
 ===== ESP Cam Programming =====
-\\
-https://randomnerdtutorials.com/program-upload-code-esp32-cam/
+  * https://randomnerdtutorials.com/program-upload-code-esp32-cam/
+===== MPU 9250 =====
+  * https://cdn.sparkfun.com/assets/learn_tutorials/5/5/0/MPU-9250-Register-Map.pdf
+  * https://github.com/sparkfun/SparkFun_MPU-9250-DMP_Arduino_Library
+  * https://learn.sparkfun.com/tutorials/9dof-razor-imu-m0-hookup-guide#using-the-mpu-9250-dmp-arduino-library
+  * https://github.com/hibit-dev/mpu9250/
+===== HelTec LoRa32 (ESP32) Board =====
+  * Version 3: {{https://resource.heltec.cn/download/WiFi_LoRa32_V3/HTIT-WB32LA_V3(Rev1.1).pdf}}