SIM800L Evaluation Board with DC/DC Converter Power Supply Circuit- Replaceable SIM800L Module- On board logic level transistor circuit makes it compatible with 5V and 3.3V MCU boards- Compatible with gizDuino/Arduino and SIM800L Libraries- Same pinout as SIM800L EVBGSM Power Input: 9V to 12VDC (Use..
Bluetooth 4,0 ModuleCompatible with Android and IOSCompatible with HM-10 ModuleCC2540/CC2541 Radio ChipPower: 3.3V or 5VDCInterface: UART 5V logic or 3.3V Logic, according to voltage supply used
NodeMCU-32S IOT Development BoardESP32 is a single 2.4 GHz Wi-Fi and Bluetooth combo board- ESP32 WIFI Module- Powerful 32-bit processing- supports LWIP protocol, Freertos-Three modes: AP, STA, and AP+STA-Support LUA program for easy code development
GPS Module with AntennaUblox NEO-6M GPS ModuleHigh Sensitivity Active AntennaWith battery backup for quick GPS lock
On this example, it needs 10k ohms and 4.7k ohms resistor to the RX pin.
Tiny GPS Library