Top Printed Circuit Module

Isolation Amplifiers 4.5 - 5.5 SV 8 dB (10 pieces)

• 【QUALITY GUARANTEE】The Digital Audio Amplifier Power Module is made by a professional manufacturer and has undergone multiple tests. It has a very good quality guarantee and a 100% brand new high-quality brand..
• 【HAVE A DIGITAL CHIP】The Digital Audio Amplifier Power Module is equipped with PAM8403 digital chip, which is a small digital amplifier chip, which can highlight the advantages of digital chip and bring you a good experience..
• 【POWERFUL FUNCTIONS】The circuit of the Digital Audio Amplifier Power Module adopts reasonable configuration, the power filter is upgraded to 470 uf, and with 1.6 mm glass fiber board, it has excellent performance and powerful functions..
• 【HI-FI SOUND QUALITY】The Digital Audio Amplifier Power Module outputs 3 w + 3 w high-fidelity sound quality, which can restore the most realistic scenes and bring you a good experience. It is a rare good choice for you.
• 【THE ANTI-METER BODY】The Digital Audio Amplifier Power Module adopts the original anti-meter body, and the potentiometer with counterclockwise switch can directly cut off the power supply. It is safe and you can buy it with confidence..

DC Audio LVL3-M2 12' Level 3 900W/1800W Dual-2-Ohm Car Audio Subwoofer/Sub

• ...lifier board working voltage is DC 8-26V, can be powered by 12V, 24V.
• output power is 15W stereo (24V 8ohm)/ 10W stereo (12V 8 ohm), if connect 4 ohm or 2 ohm speaker, the power will be automatically limited to 15W..
• Artificial Material: this New-designed stereo amplifier module is made of noble black immersion gold circuit board, PAM8620 chip, imported KEMET speaker capacitor, large-capacity filter capacitor for channels. Besides, we customized black copper terminal blocks and gold-plated audio input terminal blocks for this new amplifier module..
• High Performance: the class D power amp module is with high efficiency of over 90%, general harmonic distortion noise is less than 0.2%, low quiescent current and noise suppression..
• Safe Protection: the 2 channel amp board is designed with input reverse connection protection, short circuit protection, over heat protection, overcurrent protection, overvoltage protection, undervoltage protection.
• Additional Function: it is available to connect external mute function (MUTE: High level mute, factory default low level).
• available to add an external Shutdown (SD: the chip will be Shutdown at low electricity level, factory defaults high electricity level..

SainSmart FL55 Laser Module 455nm Blue-Violet Light Fixed Focus Laser Module Kit for Genmitsu CNC Machine 3018-MX3/3018-PROVer

• Application: The laser module is ideal for engraving, cutting, scribing, and drilling. Desired patterns can be made easily on the wood or plastic by this unit. This module is only compatible with 3018-MX3/3018-PROVer, but not compatible with 1810-PRO/3018/3018-PRO..
• Fixed Focus: The fixed focus distance is 20mm. Compared with the adjustable focus laser module, the light spot of the fixed focus laser module is smaller. At the same power, the fixed focus laser module can cut 3mm linden wood in one pass, not possible with current adjustable laser modules..
• Longer Service Life: The fixed focus laser module can work at full power for 8 hours without any light decay. The service life can be up to 10,000 hours..
• Excellent Heat Dissipation: Equipped with a large aluminum heatsink and cooling fan, this can help the heat dissipate fast and ensure the laser module works continuously..
• Industrial Grade Design: It is designed for industrial laser engraving machines, it adopts an intelligent feedback control circuit, external ACC constant current driving Mode. Featuring reliability, high stability, high efficiency, low noise, and excellent laser beam quality..

CURT 51170 Spectrum Original Equipment Style, Integrated Electric Trailer Brake Controller, Proportional

• FACTORY LOOK. The Spectrum trailer brake controller is designed to mount onto the dash of your vehicle and integrate with the other controls like a factory brake controller.
• It allows you to control and monitor all brake settings using a simple knob. Compatible with low-volt, PWM, ABS, cruise control and electric over hydraulic.
• To maintain powerful trailer brake operation without obstructing your vehicle dash, the computer module of this brake controller is separate from the control knob and can be mounted out of sight.
• This trailer brake controller operates with an integrated circuit called a triple-axis accelerometer.
• This circuit detects motion on three planes and provides braking power accordingly, up or down a hill.
• The Spectrum electric brake controller is highly adjustable to accommodate different vehicles, trailers and loads.
• The push-button knob offers easily accessible manual override whenever needed.

YWBL-WH Electronic Components,1000KV High Voltage Pulse Generator Super Arc Pulse Ignition Coil Module

• This module is the finished module of transformer for small scientific production..
• The input voltage is DC 3.7-7.4V and can output high voltage of DC 800-1000KV..
• According to the tesla coil principle, the module outputs high voltage pulse current, small volume and high efficiency..
• The peripheral circuit is simple (simply connect the switch and install the battery), the discharge intensity is violent..
• It can be used as high voltage source for high school science experiment, electronic instrument and anion generator..

SunFounder Reader Module Kit Mifare RC522 Reader Module with S50 White Card and Key Ring Compatible with Arduino Raspberry Pi

• The RF IC Card module design the circuit of card read by using the original Philips MFRC522 chip.
• Easy to use, with pin header. The module can be directly loaded into the various reader molds..
• Applicable for the user who need to design or manufacture the RF card terminal..
• Module Interface: SPI， Data transfer rate: Maximum 10Mbit/s..
• Power Voltage : 3.3V,Operating frequency: 13.56MHz..

4Pcs INA219 I2C Bi-Directional DC Current Power Supply Sensor Breakout Board Module I2C IIC Interface

• INA219 module is an I2C interface with a drift, bi-directional current / power monitor integrated circuit (IC), and further expand the energy-saving....
• INA219 I2C Bi-directional DC Current Power Supply Sensor, Working Voltage 3~5V.
• INA219 module small size, low cost, high accuracy. It not only can monitor the voltage drop across a shunt resistor on the sensing shunt supply....
• INA219 can be achieved within the maximum error accuracy of +1% from -40° C to 85° C temperature range, the maximum offset is 100 uV. The....
• Appliaction:The module is used for I2C port zero drift / bidirectional current / power monitoring sensor module. The device is available in a SOT23....

PC Interface Controller

• 【One-year after-sale warranty】The PWM to voltage module converts PWM digital signals to 0 to 10V analog signals. It can be used to switch the signal interface of PLC or other industrial control board. Adjust the output voltage by adjusting the PWM duty cycle. The module is small in size and easy to apply in different places.003cbr003e.
• Using MCU embedded technology. Easy to operate, can be fine-tuned by potentiometer.003cbr003e.
• Select the PWM signal input level range by short circuit. The module is small, easy to carry and easy to use.003cbr003e.
• (current greater than 100mA)，PWM signal receiving frequency range: 1KHZ-3KHZ.
• When power on for the first time, it is best to do a calibration and debugging: find a signal with a 50% duty cycle and connect it to PWM and GND. Jumper caps set the corresponding voltage range. When the frequency is 1KHZ-3KHZ, use a multimeter to measure the two ports of VOUT and GND. At this time, the meter displays about 5V. Adjust the potentiometer on the board so that the multimeter displays 5.00v.003cbr003e.

HiLetgo 2pcs CP2102 MICRO USB to UART TTL Module 6 Pin Serial Converter STC Replace FT232

High Voltage Generator, Small Size 40Kv-50Kv Ac High Voltage Output High Voltage Pulse Generator, for Transformer, Small Scientific Production

• The module can output high voltage pulse current, small size and high efficiency.
• This module is the finished module of transformer/booster for small scientific production.
• The input voltage is 3.6V/4.8V DC and will output 40kV-50kV AC high voltage.
• It can be used as security equipment accessories, gas range ignition, or for electrostatic adsorption experiment.
• The peripheral circuit is simple, simply connect the switch and battery, and the discharge is great.

COLOROCK Mini Smart Relay WiFi Switch, 16A 1 Gang DIY Smart Light Switch Module Smart Life/Tuya App, Compatible with Alexa and Google Home Smart Speakers,with Appointment Timing Function.(2Pack).

• This smart wifi module with mini design suits for wall switch box,and easily hide it into your hidden wall switch box of your traditional switch without any influences on your original decoration style to make it smart.More importantly,your traditional switch and this smart module can work independently under non-interfering mode. (Note:This module is only suitable for rocker switch,see figure 2 for details.).
• Can be used as a 1-way or 2-way circuit (2 switches control 1 light).
• simply connect to 1 of the 2 switches and convert the connected device into a smart one (for 2-way circuit).
• Take full control of connected appliances with timers, schedules and countdown (1/5/30 mins, 1 hour, etc.) with the app.
• share control with family and friends for added convenience.
• Control with your smart phone via Smart Life/Tuya app without a separate hub..
• The MINI WiFi Switch is compatible with Amazon Alexa ( Amazon Echo/Echo Dot/Amazon Tap) and Google Home Assistant. It allows you to use your voice to control home devices and enjoy hands-free experience..

Battery Charger Module USB TP4056 3.7V 4.2V to 9V 5V 2A Charge Discharge Integrated Step Up Module,18650 Lithium Li-ion Battery Charger Module(6 PCS)

• Material: Battery charger module made of electronic components.Can be used for multimeter, converted to lithium battery charging..
• Features: Battery charger module combines the TP4056 battery charger with a boost circuit. Adds a battery and converts a low power DC device to a USB rechargeable device..
• Instructions for use: TP4056 Charger Module can be used for multimeter to convert to charge lithium batteries. VIN+ port input 5V solar panel, BAT+ port can output 4.2V to charger 3.7V 18650 battery..
• Small and delicate: 1.3in*0.92in/33mm*23mm.
• Package contains: 6 * Lithium Li-ion Battery Charger Module.