Adafruit FeatherWing Doubler Prototyping Add-on for Feather Boards Advanced Control Choose the version that matches

Choose the version that matches the physical installation

23inch OLED HAT 1 128 x 32 OLED display HAT for Raspberry Pi GPIO header hardware 1 set Accessory contents may vary by shipment batch Product packaging 1 Packaging may vary by shipment batch Documentation reference 1 Use official digital resources for wiring examples and library guidance FAQ

Insulation Resistance

83inch e-Paper (B)

6 mm) Interface Mini PCIe + SIM Card Slot Module Variants SIM7600G-H or Quectel EC25 (depending on version) LTE Category Cat-4 Max Download Speed 150 Mbps Max Upload Speed 50 Mbps LTE-FDD Bands B1/B3/B5/B7/B8/B20/B28 LTE-TDD Bands B38/B39/B40/B41 WCDMA Bands B1/B5/B8 GSM/GPRS/EDGE 850/900/1800/1900 MHz GNSS GPS/GLONASS/BeiDou/Galileo SIM Card Mini SIM (2FF)

Adafruit FeatherWing Doubler Prototyping Add-on for Feather Boards Advanced Control Choose the version that matchesDescription The Adafruit FeatherWing Doubler is a FeatherWing prototyping add on for all Adafruit Feather boards. Compared with a single Proto FeatherWing, the Doubler gives you two side by side Feather compatible positions, so a Feather board and another FeatherWing or prototype circuit can be tested at the same time. This FeatherWing Doubler prototyping board duplicates every Feather pin, cross connects the two pin sets, and adds plain proto grid