Update hardware-overview.md

en/hardware-overview.md

@@ -4,7 +4,7 @@ title: Hardware Overview
 
 Our reconstruction of the card10 badge consists of three things:
 
-- The wristband
+- The [wristband](#wristband)
   - Secures the card10 and provides space for extensions. It is made of thin neoprene with a jersey coating on one side and a fluffy velco coating on the other side.
 - The [Fundamental Board](#fundamental-board)
   - Hosts most sensors, the CPU, the USB-C connection, the power management and connections to the wristband
@@ -13,7 +13,7 @@ Our reconstruction of the card10 badge consists of three things:
 
 The two boards are connected via a boad to board connector and then screwed together with M2 screws. The wristband is attached to back of the Fundamental Board with two clamps.
 
-![card10 reconstruction prototype](/media/hardware/low_res_jpg/card10_band_prototype.jpg)
+![Harmonic Board prototype top side](/media/hardware/low_res_jpg/card10_harmonic_board_prototype_1.jpg)
 
 
 ### General Properties
@@ -36,6 +36,11 @@ The two boards are connected via a boad to board connector and then screwed toge
 | Pulse sensor         | MAX86150 (with second ECG channel) |
 | Ambient light sensor | 940 nm IR LED attached to ADC |
 
+## Wristband
+![card10 reconstruction prototype](/media/hardware/low_res_jpg/card10_band_prototype.jpg)
+
+More information to come.
+
 ## Fundamental Board