Update Hidden Boards Info

Author: makermelissa

_board/columbia-dsl-sensor.md

@@ -1,8 +1,8 @@
 ---
 layout: download
 board_id: "columbia-dsl-sensor"
-title: "Colombia DSL Sensor Download"
-name: "Colombia DSL Sensor"
+title: "Columbia DSL Sensor Download"
+name: "Columbia DSL Sensor"
 manufacturer: "Double Take Labs"
 board_url:
 board_image: "unknown.jpg"
@@ -11,4 +11,6 @@ family: esp32s3
 downloads_display: false
 ---
 
-Oops! Looks like we don't know anything about this board. This means it's likely very new.
+The Columbia DSL Sensor is a custom ESP32-S3 board built for Columbia University's [Digital Storytelling Lab](https://github.com/columbiadsl), which focuses on immersive experience design, IoT for theater, and interactive installations. It was developed by Double Take Labs for use in the lab's IoT sensing projects.
+
+This board is not commercially available.

_board/cp32-m4.md

@@ -1,21 +1,19 @@
 ---
 layout: download
 board_id: "cp32-m4"
-title: "cp32-m4 Download"
-name: "cp32-m4"
-manufacturer: "unknown"
+title: "CP32-M4 Download"
+name: "CP32-M4"
+manufacturer: "Bryan Siepert"
 board_url:
  - "https://github.com/siddacious/CP32-M4"
-board_image: "unknown.jpg"
-downloads_display: false
+board_image: "cp32-m4.jpg"
 date_added: 2019-04-05
 family: samd51
 features:
 ---
 
-This board hasn't been fully documented yet. Please make a pull request adding more info to this file.
+The CP32-M4 is an open-source CircuitPython-compatible board that fits an ATSAMD51 (Cortex-M4) microcontroller into an ESP32 module footprint. It was designed by Bryan Siepert, an Adafruit contributor, as a personal hardware project. The KiCad schematic and board layout files are available on [GitHub](https://github.com/siddacious/CP32-M4).
 
-The description should be written to inform a CircuitPython user what makes the board unique and link to relevant info about it.
+## Learn More
 
-## Purchase
-Add any links to purchase the board
+[GitHub](https://github.com/siddacious/CP32-M4)

_board/es3ink.md

@@ -1,9 +1,9 @@
 ---
 layout: download
 board_id: "es3ink"
-title: "es3ink Download"
-name: "es3ink"
-manufacturer: "Unknown"
+title: "ES3ink Download"
+name: "ES3ink"
+manufacturer: "dronecz"
 board_url:
  - "https://github.com/dronecz/es3ink"
 board_image: "unknown.jpg"
@@ -14,4 +14,6 @@ bootloader_id: es3ink
 features:
 ---
 
-Oops! Looks like we don't know anything about this board. This means it's likely very new.
+The ES3ink is an open-source e-ink display controller board based on the ESP32-S3. It was designed by dronecz and is compatible with both Arduino and CircuitPython. The KiCad schematic and PCB layout files are available on [GitHub](https://github.com/dronecz/ES3ink).
+
+This board is not commercially available.

_board/warmbit_bluepixel.md

@@ -5,10 +5,11 @@ title: "Warmbit BluePixel Download"
 name: "Warmbit BluePixel"
 manufacturer: "Warmbit"
 board_url:
+ - "https://github.com/warmbit"
 board_image: "unknown.jpg"
 date_added: 2021-09-03
 family: nrf52840
 downloads_display: false
 ---
 
-Oops! Looks like we don't know anything about this board. This means it's likely very new.
+The Warmbit BluePixel is an nRF52840-based BLE pixel/LED controller board by [Warmbit](https://github.com/warmbit), a small Canadian maker based in Red Deer, Alberta. Warmbit creates decorative LED PCB products and related controllers. The BluePixel appears to be discontinued and is no longer available for purchase.