DROK DC 24V to 12V CC CV Step Down Volts Regulator Constant Current Voltage 8A DC Adjustable Buck Converter 7-40V to 1.2-35V LED Driver Charger Module with Charging Indicator Solar Power Supply DIY
Module Properties: non-isolated step-down constant current , constant voltage module (CC CV) charging module.
Output voltage :DC 1.2-35V continuously adjustable.
Output Current: 8A ( when power tube's temperature exceeds 65 degrees, please add cooling fan ).
AITRIP 5 PCS ESP8266 NodeMCU CP2102 ESP-12E Internet WiFi Development Board Open Source Serial Wireless Module Works Great Compatible with Arduino IDE/Micropython (5PCS)
There is the way to guide you to use the new version: The command you needed to use is: esptool.py --baud 115200 --port /dev/tty.SLAB_USBtoUART write_flash -fs 32m -ff 80m --flash_mode dio 0x00000 boot_v1.7.bin 0x1000 user1.bin 0x37c000 esp_init_data_default.bin 0x37e000 blank.bin The important part is “—flash mode dio”.
ESP8266 CP2102 NodeMCU LUA ESP-12E WIFI Serial Wireless Module.
Compatible with Arduino, works great with the latest Compatible with Arduino IDE/Mongoose IoT/Micropython.
SP8266 is a highly integrated chip designed for the needs of a new connected world. It offers a complete and self-contained Wi-Fi networking solution, allowing it to either host the application or to offload all Wi-Fi networking functions from another application processor..
5pcs ESP8266 CP2102 NodeMCU LUA ESP-12E WIFI Serial Wireless Module.
Mixer Module, Bandwidth Mixing 0.1‑500MHz High Frequency Transducer -10dBm for Quadrature Modulation for Base Station for HF VHF Receiver
Single Power Supply: The mixer module is designed to be powered by a single power supply, and the RF, IF and LO ports have DC isolation capacitors for easy use.
10.3dB SSB Noise Figure at 70MHz: With the output amplifier and optimal source impedance of this mixer module, the SSB noise figure is 10.3dB at 70MHz. There is no insertion loss, no external duplexer, and no passive termination.
Low Distortion and Wide Dynamic Range: AD831 is a low distortion, wide dynamic range, single chip mixer, very practical.
-10dBm LO Power Consumption: Provides +24dBm third order intercept point, can achieve -10dBm LO power consumption, without high power LO drivers, there are no corresponding shielding and isolation problems, can improve system performance and reduce costs.
Wide Application: Suitable for applications such as RF‑IF down conversion in HF and VHF receivers, second mixer in base stations, DC baseband conversion, quadrature modulation and demodulation, and Doppler shift detection in imaging.
High Voltage Pulse Generator DC 6-12V 0.5-1 Million V Super Arc Pulse Ignition Transformer Boost Step-up Coil Module for Cigarette Lighter (901-c2)
[High Quality] The pulse generator is made of high quality material, it has long use life, high reliability and durability..
[Powerful] After the input of DC 6-12V voltage, a dc high voltage of about 10,000V (about 1-2 cm of arc) can be obtained at the output end, small size and high efficiency..
[Feature] The boost step-up coil module can generate high temperature and high frequency arc to easily ignite combustible such as smoke, paper and candle. There are two models of pulse generator for choice, including 901-2(work continuously for 10s) and 901-c2(work continuously for 1 min)..
[Good Performance] According to the tesla coil principle, the module outputs high voltage pulse current, thus it will generate the electric arc between the two wires. The peripheral circuit is simple (simply connect the switch, install the battery), the discharge intensity is violent..
[Application] This module is mainly used for high school science experiment, electronic instrument, negative ion generator, high voltage ignition, DIY science products and more..
DC High Voltage Generator, Generator Electric Arc Module DC3.6V/4.8V/6V/12V High Voltage Pulse Generator DC 3kV-11kV Super Electric Arc Module for Nebulizers,Electric Guns
PORTABLE AND EASY TO USE --- The high voltage transformer generator is small, lightweight and portable.
EASY TO USE --- The high voltage generator installation and operation process is very simple, its peripheral circuit is very simple, you only need to connect the switch and battery. You don't have to worry about not using it at all.
INPUT VOLTAGE --- The high-voltage arc generator can output high-voltage current, with small size and high efficiency. The input voltage is DC3.6V/4.8V/6V/12V and will output DC3kV-11kV high voltage.
WIDE APPLICATION --- The High Voltage P-ulse Generator can be used for electric gun salute, gas stove, etc.
GOOD PERFORMANCE --- This module is the finished module of the high-voltage negative ion generator with the help of high-voltage current output and boost power supply module.
risingsaplings FPM12 Red Light Optical Fingerprint Reader Sensor Module 6 Pins for Arduino Mega2560 UNO R3…
Type: FPM12, Red Light, Optical Fingerprint Reader Sensor.
It is composed of software and hardware such as optical fingerprint sensor, high-speed DSP processor, high-performance fingerprint comparison algorithm, and large-capacity Flash chip..
Functions: This fingerprint module has stable performance and complete functions, and has various functions such as fingerprint collection, fingerprint registration, fingerprint comparison, and fingerprint search..
Simple usage: The fingerprint sensor module can work with any microcontroller with serial port..
Application: Fingerprint door locks, safes, finance and other security fields.
identification in access control systems, industrial computers, POS machines, driving training, attendance and other fields.
fingerprint payment, software management, authorization and other management fields..
Arducam Raspberry Pi HQ Camera, 12.3MP IMX477 Camera Module with CS-Mount Lens, Automatic IR-Cut Switching All-Day Image, Compatible with Raspberry Pi 4 Model B, Pi 3/3B+, and Pi Zero 2W
Raspberry Pi HQ Camera: This camera module offers higher resolution, up to 12MP, which can deliver better image quality than 8MP. Also adopting IMX477 sensor for shape image, resolution 4056*3040 pixels, frame rate 30 fps@1080p, 60fps@720p, VGA90 video modes, IR Sensitivity..
IR-Cut：The camera can switch IR-CUT filter in and out automatically, supports both day and night vision. which can keep you all-day image..
Wide Compatibility: The IMX477 camera module is not only compatible with all models of Raspberry Pi 1, 2, 3 and 4, but also with Raspberry Pi Zero and Zero 2W, which can be easily used with a simple configuration..
Package included: Come with a CS-Mount lens and two cables, 300mm 15-22 pin cable for Pi 1-4 connection and 300mm 22-22 pin cable for Pi 0 and Compute Module connection. Note: This camera module supports the latest Raspberry Pi OS Bullseye (released on Jan 28th, 2022) and libcamera apps, not for the previous Raspberry Pi OS (Legacy) users.).
Application: This Raspberry Pi HQ camera can be used to monitor 3D printer, and many other vision applications demand IMX477 camera. It can also serve for Artificial Intelligence, like facial recognition, high-speed capturing and so on..
3PCS Mini MP3 Player Audio Module with 5PCS Metal Shell Round Internal Magnet Speaker 2W 8Ohm MP3 Voice Decode Board TF Card U Disk IO/Serial Port/AD Board DFPlayer Audio Music Module for Arduino
❃❃ Item: MP3 Player Audio Voice Module. Can be connected directly to a speaker or combined with the Arduino or any other module with RX/TX....
❃❃ This internal magnet speaker is designed with metal shell. Application: electronic toys, radio, interphone, multimedia speakers, mini box....
