diff --git a/AntennaModNew.md b/AntennaModNew.md new file mode 100644 index 00000000..29cce990 --- /dev/null +++ b/AntennaModNew.md @@ -0,0 +1,59 @@ +# Add an antenna the easy way + +You can exchange the stock wroom-32 for a wroom-32u with built-in ipex/u.fl connector. + +## Materials + +- **WROOM-32U Module** + - Available on [AliExpress](https://www.aliexpress.us/item/1005006566368554.html) or [Amazon](https://a.co/d/2cFy1Jf) +- **SMA Antenna** + - Suggested: [Amazon Link](https://a.co/d/41h6VpV) +- **UFL to SMA Adapter** + - [Available on Amazon](https://a.co/d/7glUbBC) +- **Flux** + - [I like Amtech](https://northridgefix.com/product/amtech-nc-559-v2-tf-flux-10ml-syringe-plunger-2-needle-sizes/) +- **Solder Paste** + - [I use Mechanic](https://www.aliexpress.us/item/1005007333777376.html) +- **Hot Air Station** +## Procedure + +### Step 1: Preparation + +1. **Setup**: Clean your workspace. Secure the board to prevent movement during the process. +2. **Flux**: Liberally apply flux around the ESP-WROOM module. Struggling? Use more flux. + +### Step 2: Module Removal + +1. **Heat Application**: Set the hot air station to approximately 350-400°C. Apply heat evenly across the module to avoid damage to adjacent components. + + ![Heat Application](https://github.com/Fr4nkFletcher/ESP32-Marauder-Cheap-Yellow-Display/blob/master/img/8.JPG) + +2. **Remove the Module**: Once the solder is molten, carefully lift the ESP-WROOM module using tweezers. If it resists, apply additional heat as needed. + + ![Remove the Module](https://github.com/Fr4nkFletcher/ESP32-Marauder-Cheap-Yellow-Display/blob/master/img/9.JPG) + +4. **Clean the Pads**: Add solder to the esp pads on the CYD, use solder braid to remove it, clean with IPA, and then lay down solder paste. + + ![Clean the Pads](https://github.com/Fr4nkFletcher/ESP32-Marauder-Cheap-Yellow-Display/blob/master/img/10.JPG) + +### Step 3: Install the WROOM-32U + +1. **Position the Module**: If you don't use solder paste simply ensure correct alignment and solder a pin at each corner. +2. **Hot Air**: If you chose the hot air route, apply heat evenly until the paste flows. After the initial set, apply more heat and give the module a tap with tweezers ever so slightly for to it seat fully. +3. **Inspect the Joints**: Thoroughly inspect the solder joints for any defects such as cold joints or bridges. A microscope is invaluable for this and many other challenges you'll face. + + ![New module](https://github.com/Fr4nkFletcher/ESP32-Marauder-Cheap-Yellow-Display/blob/master/img/11.jpg) + +### Step 4: Reflash Marauder + +1. **CYM WebFlasher**: + https://fr4nkfletcher.github.io/Adafruit_WebSerial_ESPTool/ + +### Step 5: Attach the Antenna + +1. **Select an Antenna**: Choose an appropriate antenna for your application. Recommended options are available on [Amazon](https://a.co/d/41h6VpV). +2. **Connect the Antenna**: Attach the UFL to SMA adapter to the WROOM-32U, then connect the SMA antenna. +3. **Test the Board**: Power on the board and have fun. Don't be a dick! + + ![Alfa](https://github.com/Fr4nkFletcher/ESP32-Marauder-Cheap-Yellow-Display/blob/master/img/12.jpg) +