Creality 3D Printer Laser Engraver Module Ender 3 S1 Laser Engraving Kit 5W 24V 455nm Blue-Violet Light, Safety Cover, Fixed Focus, and Soot Absorption for Ender 3 S1, Ender 3 S1 Pro & Ender 3 S1 Plus
Premium Laser Diode: Featuring reliability, high stability and high efficiency, the premium laser diode in this module allows for excellent laser beam quality. The 5W high-power engraving speed is faster, and the accuracy is higher..
Fixed Focus: Compared with the adjustable focus laser module, the light spot of the fixed focus laser module is smaller. The unique convenient focusing unit can quickly and accurately fix the focus and make the best engraving effect..
Fast Heat Dissipation: Equipped with a large aluminum heatsink, cooling DC fan, and an added hole to improve airflow, all of which contribute to fast and efficient heat dissipation, the built-in air filter cotton can absorb smoke and odor, allowing for prolonged service life..
Full Protection: Upgraded with a new safety cover that meets FDA Class 4 safety level requirements to prevent laser damage to eyes and skin..
Compatibility and Application: The laser module is compatible with Ender 3 S1, Ender 3 S1 Pro, and Ender 3 S1 Plus. It can be used to cut cardboard, wood, bamboo, rubber, leather, acrylic, plastic, etc..
Dorhea 4Pcs ESP8266 ESP-12F WiFi Serial Module Microcontroller 802.11N Development Board Wireless Transceiver Remote Port Network Module for NodeMCU MicroPython
The ESP-12F module combines the ESP8266 microcontroller with 4MB of flash and a PCB antenna, with 16-bit Lite mode, clocked at Supports 80 MHz and 160 MHz, supports RTOS, and integrates Wi-Fi MAC/BB/RF/PA/LNA..
The ESP-12F WiFi module supports the standard IEEE802.11 b/g/n protocol, a complete TCP/IP protocol stack. Users can use this module to add networking capabilities to existing devices or to build separate network controllers..
The default firmware can add WIFI capability to another microcontroller, but it really shines when loaded with MicroPython, or NodeMCU..
The ESP-12F is an improved version of the 12E, improve the peripheral circuit, the four laminates plate process, enhanced impedance matching, signal output is better, It is pin compatible with enhanced stability and a better antenna..
Not recommended for users who are new to the ESP8266. New users should instead look at development boards with integrated USB..
6.5 Inch Dual Marine Powered Speakers - Waterproof and Bluetooth Compatible Amplified Speaker with Wireless Streaming and 600 Watt Power - 1 Pair - PLMRF65MW (White)
IP-X4 MARINE GRADE: This pair of marine speakers are completely waterproof for water base automobile and off-road vehicle use. They have a waterproof rating of IP-X4 to withstand heavy water splashes and other outdoor conditions.
RF WIRELESS STREAMING: Built with RF or radio frequency wireless streaming ability for hassle-free wireless streaming connection. The RF audio module supports additional speaker connectivity at a range of 100ft+.
4.2 BLUETOOTH COMPATIBILITY: Works with smartphone, tablet, laptop and computer with its 4.2 bluetooth compatibility. This 2-way speaker can stream music wirelessly from the aforementioned devices at a range of 30ft+.
6.5 COAXIAL SPEAKERS: This comes in 1 pair of white 6.5 inch coaxial speakers, 1 is passive and the other is active. Each has a total diameter of 6.9”, cut-out diameter of 6.75”, total depth of 3.97’’ and mounting depth of 3.1’’.
600 WATTS POWER: The dual audio speakers have a full range stereo sound reproduction for a complete speaker system. The power output is 300 Watt RMS up to 600 Watt peak. It has a frequency response of 85Hz-20kHz and a magnet structure of 20 oz.
KEYESTUDIO Mini ESP32 Development Board with ESP-WROOM-32 Microcontroller Dual-Mode WiFi + Bluetooth Integrates Antenna, RF,AMP, Filter AP STA for Arduino
The ESP-WROOM-32 module is an industry leading integrated WiFi + BLE solution with less than 10 external components..
It integrates antenna switch, RF balun, power amplifiers, low noise amplifiers, filters and power management modules..
It also integrates with TSMC's low-power 40nm technology, so that power performance and RF performance are safe and reliable, easy to expand to a variety of applications..
The board has brought out most I/O ports to pin headers of 2.54mm pitch. These provide an easy way of connecting peripherals according to your own needs..
Board is fairly well built and fits nicely on breadboard..