Wireless Transceiver Module

Compact 3-port USB charger module with 5V 2.1A output and 5V 1A input. Features LED indicators, supports 3.7V batteries (3.2V-4.2V). Ideal for DIY power bank projects. OEM/ODM available, 90-day warranty.

High-purity tungsten carbide powder (WC) with 99.9% purity and 15.63 density. Ideal for hard alloy production, wear-resistant coatings, and cutting tools. Custom sizes available. Excellent conductivity and hardness similar to diamond.

Compact 433MHz RF receiver module with 4-channel learning decoding. Features 50m range, -108dBm sensitivity, and three working modes. Ideal for remote control systems. Supports OEM/ODM and bulk orders.

This wireless charger PCBA receiver module features 5V 2A input, 1A output, and 75% charging efficiency. Supports 2-8mm transmission distance. Ideal for DIY projects. OEM/ODM and bulk dropshipping available with quick delivery.

1.5 inch RGB OLED display module with 128x128 resolution and 65K colors. Features SSD1351 driver, supports 4-wire/3-wire SPI and I2C interfaces. Wide viewing angle >160°, operates at 3.3V/5V. Ideal for Arduino, Raspberry Pi, STM32. Durable, easy to integrate, OEM/ODM available.

4S 16.8V 40A BMS protection board for 3.6V/3.7V lithium batteries (18650, 26650, polymer). Features 100mA balance current, 20A charge limit, and 40A discharge limit. Ideal for drill motors up to 220W. Includes overcurrent and short circuit protection. OEM/ODM available.

This Bluetooth 4.1 MP3 WAV decoding board features a 3W speaker amplifier, supports USB/TF/U-DISK playback, and includes an IR remote control. It offers stable Bluetooth pairing, USB audio mode, and FAT16/FAT32 file system support. Ideal for car audio upgrades with OEM/ODM options available.

This ESP8285 WiFi relay module replaces ESP8266, offering reliable cycle time and delay control via the eWeLink app for iOS and Android. Operating at DC 12V and 2.4GHz, it supports OEM/ODM, bulk dropshipping, and quick delivery.

High-quality PCM5102A DAC module for Raspberry Pi. Delivers 24-bit 192KHz audio via I2S interface. pHAT format with 3.5mm stereo jack. Superior sound over onboard audio. Ideal for DIY audio projects. OEM/ODM and bulk orders welcome.

This XL4015 5A step down charging module features constant current and constant voltage (CC CV) with low ripple below 50mV. It offers adjustable output from 0.8V to 30V, high efficiency up to 95%, and wide operating temperature range. Ideal for lithium battery charging with OEM/ODM support.

This 40W non-isolated step-up module converts 8-32V input to 45-390V adjustable output. Features over-current, over-voltage, and reverse polarity protection. Ideal for pressure testing, capacitor charging, and custom power supplies. Up to 88% efficiency, compact 60x50x20mm size, and supports OEM/ODM orders.

Compact MP3 module with hardware decode for MP3, WAV, WMA. Supports TF card up to 32G, USB drive, and multiple control modes. Features 30-level volume, 6-band EQ, and 90dB dynamic range. Ideal for voice prompts, alarms, and automation. OEM/ODM welcome.

This DC 5V 433MHz WiFi smart switch relay module enables remote control via Apple/Android app. Features self-lock mode, low power consumption, and reliable wireless range. Ideal for smart home automation. Supports OEM/ODM and bulk orders.

Compact power bank charger module with 5V 1A/2A output, 4-level LED battery indicator, and overvoltage/overcurrent protection. Supports 3.7-4.2V polymer batteries. Ideal for DIY projects. OEM/ODM and bulk orders welcome.

Wide input voltage 3.8-32V, adjustable output 1.25-35V. Built-in 4A MOSFET switch with up to 94% efficiency and 400KHz switching frequency for low ripple. Ideal for car regulators, solar photovoltaic, and wind power applications. Supports OEM/ODM and bulk orders.

Wide voltage 6-30V with microUSB 5V power. Features optocoupler isolation, reverse polarity protection, and emergency stop. Supports 30VDC/220VAC 5A loads. Ideal for industrial automation and custom timing needs.

Industrial grade DC-DC converter module with XL6009 chip. Supports 1.25-36V input/output, 10A relay, and anti-reverse protection. Features opto-isolated inputs, low quiescent current, and customizable timing modes. Ideal for solar and automation systems.

Compact 9g servo with 1.6kg torque and 0.12sec/60° speed. Durable design for 250-450 RC models. Supports 3.0-7.2V, OEM/ODM, bulk dropshipping, and 90-day warranty.

Bluetooth 5.0 MP3 decoder board with lossless audio decoding, 90dB SNR, and 15m range. Supports A2DP/AVRCP. Features 3.7-5V power, USB/Micro USB input, and 3.5mm audio output. Ideal for car speakers. OEM/ODM available.

Balance version BMS board for 2S 7.4V lithium batteries. Supports 20A continuous discharge and 10A charge. Ideal for power drills up to 50W. Features overcharge/overdischarge protection. Requires high-drain cells. Custom OEM/ODM available.