RakSenger is designed for RAK19001 Base Boards which have all GPIO on two 2x10meshpin headers.

   BARE PCB ONLY FOR DIY ASSEMBLY, NO COMPONENTS INCLUDED.

What you receive.

• main board without components
• keyboard cover with hole for 2.42" OLED display

Features:

• brain is RAK4631 core module nRF52840 + SX1262
• 2.42" I2C OLED display
• larger side USER button
• optional piezo buzzer instead WisBlock

RAK WisBlock Supported Peripherals testet which I have:

• RAK18001 Buzzer Module - slot D
• RAK12500 GPS sensor - slot F
• RAK1901 Temperature and Humidity Sensor - slot B
• RAK12002 WisBlock RTC Module - slot A

Maybe other modules also works but I have only this.

As you can see there are no active components just switches and headers.

You need for assembly:

• 36x 1N switch 7mm height, best is DTS63K
• 2x female header 2x10pin
• Optional side switch as user button
• I2C 2.42" OLED display

Custom Firmware is for download in datasheet