Bluetooth

Bluetooth 2.0 Module Based on CSR BC04 Chip – Ideal for reliable wireless communication. Slave Mode Only – Perfect for receiving data from smartphones or other master devices. Wide Operating Voltage (3.3V to 6V) with onboard regulator for easy integration. Built-in 2.4GHz PCB Antenna – Supports wireless range up to 10 meters. Simple UART Interface (VCC,...

Bluetooth Protocol: Bluetooth Specification V4.0 BLE USB Protocol: USB V2.0 Operating Frequency: 2.4GHz ISM band Modulation Mode: GFSK (Gaussian Frequency Shift Keying) Transmitting Power: ≤4dBm Sensitivity: ≤-84dBm at 0.1% BER It’s easy to use and completely encapsulated. You can set it as slave or master. You can use AT command set the baud rate....

HC-05 Bluetooth Module (CSR Chip) with Master/Slave mode support. Bluetooth v2.0 + EDR, compatible with most microcontrollers and devices. UART Serial Communication with default baud rate 9600 bps. Wireless Range up to 10 Meters using Class 2 emission. Reliable GFSK Modulation and Strong Signal Sensitivity (–84dBm at 0.1% BER). Supports Embedded Projects,...

TTGO Meshtastic T-Beam V1.1 ESP32 915Mhz or 433Mhz (Ships Random) WiFi Bluetooth ESP32 GPS NEO-6M SMA 18650 Battery Holder  OLED (915Mhz OLED)

Supply Voltage: 5V USB / 3.7V lithium battery Output Port: 3-wire audio interface/DIY pad Output Type: Analog signal Bluetooth name: VHM-314-V3.0 Bluetooth version: 5.0 Bluetooth passcode: no password Sound source: Bluetooth. USB-PC input(after the back pad is connected, the computer can be connected as a sound card though Micro) Operation method:...

Based on ESP32 240MHz Xtensa dual-core 32-bit microprocessor Operating Voltage: 2.7V – 4.2V Working Current: 60mA Battery Charging Current: 500mA

Frequency: 2.4GHz ISM. Protocol: BLE 4.0. Max transmitting power: max. 4dBm. Modulation System: GFSK. Serial Baud Rate: 1200 to 115200 bps. Reference Distance: 80 meters.

RS232 Bluetooth Serial Adapter with built-in protocol, no driver required Supports Bluetooth Serial Port Profile (SPP) for seamless data communication Compatible with Windows, DOS, Linux, PDAs, GPS devices, and more Bluetooth 2.1 with enhanced BER and frequency hopping for stable connections AT command support for baud rate (1200bps–115200bps) and custom...

HC-05 Bluetooth Module (Local CSR Chip) with Master/Slave mode support. Operates on Bluetooth v2.0 + EDR, suitable for basic wireless serial communication. Clone version, may have reduced stability but is ideal for general-purpose use. UART-based communication with default baud rate 9600 bps. Compact 6-pin design, easily integrates with Arduino, ESP32,...

HC-06 Bluetooth Module (Local/Clone CSR Chip) – Low-cost Slave-only module Based on Bluetooth v2.0 + EDR protocol with onboard CSR BC04 Clone Chip Reliable UART Serial Communication; default baud rate: 9600 bps Built-in 2.4GHz PCB antenna for up to 10m range in open space Works with Arduino, Raspberry Pi, ESP32, and other microcontrollers Ideal for DIY...

Bluetooth 2.0 Module Based on CSR BC04 Chip – Ideal for reliable wireless communication. Slave Mode Only – Perfect for receiving data from smartphones or other master devices. Wide Operating Voltage (3.3V to 6V) with onboard regulator for easy integration. Built-in 2.4GHz PCB Antenna – Supports wireless range up to 10 meters. Simple UART Interface (VCC,...

The WeAct CH9143 Mini Board is a compact BLE + USB + UART transparent transmission module designed for wireless serial communication, debugging, and data monitoring. It enables seamless data transfer between Bluetooth Low Energy (BLE), USB, and UART (TTL) interfaces, making it ideal for IoT development, wireless debugging, and serial data bridging...