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--- projects:sma-time [2018/01/01 20:36] – emeryth
+++ projects:sma-time [2018/03/03 11:13] – emeryth
@@ Line 1: / Line 1: @@
 ====== Reverse engineering the SMA-Q2/SMA-Time smartwatch ======
 by [[people:emeryth:start|emeryth]] (emeryth at hackerspace.pl)
+{{:projects:hsyrenka.jpg?direct&600|}}
 ===== Intro =====
 **SMA TIME** also known as **SMA Q2** is a Chinese smartwatch similar in design and features to the Pebble Time. \\
-Featuring a color Memory LCD, heart rate sensor and a NRF52832 Bluetooth SoC to drive it all.
+Featuring a color Memory LCD, heart rate sensor and a NRF52832 Bluetooth SoC to drive it all. \\
+All the documents and interesting things are uploaded here: https://owncloud.hackerspace.pl/index.php/s/1bqTRwMI8XKXGKL
 ===== Hardware =====
+==== Chips ====
+^IC ^Description ^ Datasheet ^
+|NRF52832-QFAAB0| Main SoC| |
+|LP2985 (?)| 3.3V LDO for everything| |
+|LP2985 (?)| 3.3V LDO for heart rate sensor module| |
+|BQ24086 (?)| Battery charger| |
+|KX022-1020 |3-Axis acccelerometer| |
+|PAH8002|Heart rate sensor| |
+|GD25Q16C (?)|16Mbit SPI flash| |
+|LPM013M126A (?)|176x176 Japan Display Color memory LCD| |
 ==== MCU Pinout ====
@@ Line 36: / Line 52: @@
 |P0.30 | VIBRATOR ON |
 | | |
+|P0.15 | ACCEL INT ? |
+|P0.16 | ACCEL POWER |
 |P0.17 | ACCEL SDA |
 |P0.18 | ACCEL SCL |
@@ Line 41: / Line 59: @@
 |P0.19 | HRM SDA |
 |P0.20 | HRM SCL |
+|P0.22 | HRM INT? |
+|P0.10 | HRM RESET? |
 |P0.31 | HRM POWER ON |