SMA Female Jack Solder

ESP8266 CP2102 NodeMCU LUA ESP-12E WIFI Serial Wireless Module | Built-in Micro-USB, with flash and reset switches, easy to program | Full I/O port and Wireless 802.11 supported, direct download no need to reset | Arduino compatible, works great with the latest Arduino IDE/Mongoose IoT/Micropython | Data download access to the website: http://www.nodemcu.com

Support AT command, users can change the serial port baud rate, device name, pairing password and other parameters as needed, use flexible. | It adopts CC2541 chip of American TI Company, configures 256Kb space, and follows V4.0 BLE Bluetooth specification. | Input voltage: 3.3V/5V only needs a set of power supply. | This module supports UART interface and supports SPP Bluetooth serial port protocol. | Compatible HM-10

The factory setting is slave mode, but you can set this module to master mode so that you might be able to connect to other Bluetooth 2.0 devices.HC-05 Wireless BT Module | HC-05 Wireless BT Module: with this HC 05 Bluetooth module,You can quickly add the Bluetooth feature to your Arduino project, and then you can use your android phone to control some gadgets, such as: switch, LED. | Master and Slave 2-IN-1 HC 05 Module:Working Voltage 3.6V to 6V , Default baud rate:9600,Default pin:1234 | Button: Press the button, the module enter the AT mode. AT commands are executed only in AT mode. | 6 PIN Dopunt Cable : with this Dupont Cable, you can easily connect this HC-05 Bluetooth module to your Arduino Board

Works with any USB Bluetooth adapters, running in slave role: Pair with BT dongle. Led indicate Bluetooth connection status, flashing Bluetooth connectivity, lit the Bluetooth connection and open a port Backplane | Core module uses HC-06, leads from the module interface includes VCC, GND, TXD, RXD, reserve LED status output pin, the microcontroller can be judged by the foot state Bluetooth has connected KEY pin slave invalid. | Small size, low power consumption,high sensitivity for send and receive. Bluetooth version: V2.0+EDR &Operating voltage: 3.3V &Host Interface:UART &Storage Temperature:-40℃~+150℃&Signal coverage: 30ft &Item size: 4.3 * 1.6 * 0.7cm &Item weight: 3g. | The module is mainly used for short-range data wireless transmission,such as Bluetooth wireless data transmission,Industrial remote control, telemetry,Traffic, underground positioning, alarm,Smart home ect. | Industrial serial port bluetooth, Drop-in replacement for wired serial connections, transparent usage. You can use it simply for a serial port replacement to establish connection between MCU and GPS, PC to your embedded project and etc. Computer and peripheral devices.

HiLetgo TEC1-12706 Semiconductor Refrigeration | RoHS compliant | Photonic and medical systems

ESP8266 has powerful on-board processing and storage capabilities | Support 3 modes: AP, STA, AP + STA | Document link: https:https://nurdspace.nl/ESP8266 | Introduction: https://github.com/sleemanj/ESP8266_Simple | youtube tutorial: https://www.youtube.com/watch?v=qU76yWHeQuw

ESP8266 CP2102 NodeMCU LUA ESP-12E WIFI Serial Wireless Module | Built-in Micro-USB, with flash and reset switches, easy to program | Full I/O port and Wireless 802.11 supported, direct download no need to reset | Arduino compatible, works great with the latest Arduino IDE/Mongoose IoT/Micropython | Data download access to the website: http://www.nodemcu.com

Easy to use, nice range (using antenna on both), you can send strings (text) from one point to another. If you want to automate your house without pulling cables then this device will help you well | Wireless Transmitter Modules allow your Arduino to wirelessly comunicate with other arduinos, or with radio frequency (RF) controlled devices that operate in the same frequency (433Mhz in this case) | They work in pairs, meaning you need both a receiver and a transmitter to comunicate with each other | Compatible with SparkFun’s 434MHz RF transmitter and RF receiver | This Radio Transmitter & Receiver pair is perfectly matched to allow you to control items from a distance up to 500 feet wirelessly!

DHT11 digital temperature and humidity sensor is a digital signal output with a calibrated temperature and humidity combined sensor. | It uses a dedicated digital modules and acquisition of temperature and humidity sensor technology to ensure that products with high reliability and excellent long term stability. | Sensor consists of a resistive element and a sense of wet NTC temperature measurement devices, and with a high-performance 8-bit microcontroller connected. | The product has excellent quality, fast response, anti-interference ability, high cost and other advantages. | The single-wire wiring scheme makes it easy to be integrated to other applications.And the simple communication protocol greatly reduces the programming effort required.

The module (MicroSD Card Adapter) is a Micro SD card reader module for reading and writing through the file system and the SPI interface driver. | SCM system can be completed within a file MicroSD card .Support Micro SD Card, Micro SDHC card (high speed card). | 3.3V regulator circuit: LDO regulator output 3.3V for level conversion chip, Micro SD card supply. | Level conversion circuit: Micro SD card to signal the direction of converts 3.3V, MicroSD card interface to control the direction of the MISO signal is also converted to 3.3V, general AVR microcontroller systems can read the signal. | Positioning holes: 4 M2 screws positioning holes with a diameter of 2.2mm, so the module is easy to install positioning, to achieve inter-module combination.

Stable and reliable chipset CP2102 | Baud rates: 300 bps to 1.5 Mbps | Connect MCU easily to your computer! | Standard USB type A male and TTL 5pin connector. 5pins for 3.3V, RST, TXD, RXD, GND & 5V | Supports Windows 98SE, 2000, XP, Vista, Window7, Mac OS 9, Mac OS X & Linux 2.40

2.4GHz Dual Mode WiFi + Bluetooth Development Board | Ultra-Low power consumption, works perfectly with the Arduino IDE | Support LWIP protocol, Freertos | SupportThree Modes: AP, STA, and AP+STA | ESP32 is a safe, reliable, and scalable to a variety of applications

Chipset: FT232RL, not genuine FTDI chip, Working Voltage: 3.3V/5.5V | RXD/TXD transceiver communication indicator, with 500MA self-restore Fuse | Pin Definition: DTR,RXD,TX,VCC,CTS,GND | Support Win95/98/98se/ME/2000/XP/win7 32bit 64bit /Vsita/, do not Support Win8

The factory setting is slave mode, but you can set this module to master mode so that you might be able to connect to other Bluetooth 2.0 devices.HC-05 Wireless BT Module | HC-05 Wireless BT Module: with this HC 05 Bluetooth module,You can quickly add the Bluetooth feature to your Arduino project, and then you can use your android phone to control some gadgets, such as: switch, LED. | Master and S

The MCP4725 is an I2C controlled Digital-to-Analog converter (DAC). | A DAC allows you to send analog signal, such as a sine wave, from a digital source, such as the I2C interface on the Arduino microcontroller. | On board are SCL, SDA, VCC, and another GND for your basic I2C pinout. | If you are looking to have more than one MCP4725 on a bus, the pull-up resistors on this board can be disabled just check the Hookup Guide in the Documents section below for instructions and tips on doing this.store settings | Digital to analog converters are greInternal EEPROM to store settingsat for sound generation, musical instruments, and many other creative projects!

VS1053 can play a variety of music formats, also supports OGG real-time encoding recording | SPI interface, the control signal line leads | 1 headphones and audio output interface | 1 a microphone for recording | 1-line_in input interface

Can be widely used in robot obstacle avoidance, obstacle avoidance car, line count, and black and white line tracking and so on. | The effective distance range of 2 ~ 30cm, the working voltage of 3.3V- 5V

10pcs MICRO USB to DIP Adapter

HiLetgo Level Converter Board Mini TTL Rs232 | Voltage Range: 3V ~ 5V | Chip: MAX3232CSE

0.127mm, 36 AWG/ single root, 20cm(7.87inch)/axis; Standard 2.54mm headers and sockets. | The cables can be separated to form an assembly containing the number of wires you require for your connection and to support non-standard odd-spaced headers. | Including 40 pin male to female jumper wires,40 pin male to male jumper wires, 40 pin female to female jumper wires. | 10 different colors, 120units copper cable in total, for making prototypes with arduino boards, stepper motor 3D printer etc, The combinations provide a jumper for whatever you need. Just peel off. | Factory directly, 10 tiny copper wires inside of single jumper wire: high-level copper wire inside, durable for conductive connection.

Module uses genuine high quality relay, normally open interface maximum load: AC 250V / 10A, DC 30V / 10A | Using optocoupler chip isolation, strong drive capability, stable performance; trigger current 5mA | Module can be set by jumper high or low trigger | Fault-tolerant design, even if the control line is broken, the relay will not move | The interface design of human nature, all interfaces are available through a direct connection terminal leads, very convenient

HiLetgo IIC I2C Serial Interface Module | Supply Voltage :2.5-6V | Supports the I2C protocol | PCB Color: Black

CP2102 MICRO USB to UART TTL Module | Original chip CP2102 | Standard input MICRO MINI-USB cable | Module size: 16mm * 20mm super small | Containing clock circuit

DB9 Female Adapter RS232 to Terminal | RS232 Serial to Terminal Convert Adapter | All-copper DB9 Socket, anti-oxidation, contact better.

DB9 Male Adapter RS232 to Terminal | RS232 Serial to Terminal Convert Adapter | All-copper DB9 Socket, anti-oxidation, contact better.

ESP8266 CP2102 NodeMCU LUA ESP-12E WIFI Serial Wireless Module | Built-in Micro-USB, with flash and reset switches, easy to program | Arduino compatible, works great with the latest Arduino IDE/Mongoose IoT/Micropython | Data download access to the website: http://www.nodemcu.com

Raspberry Pi 4B/3B+ GPIO Expansion Board Shield | GPIO Expansion Board | Raspberry Pi Shield | Raspberry PI 4B/3B+ With Screws | Multifunction GPIO Extension Board 1 to 3 Port DIY

supports sampling rates (KHz): 8/11.025/12/16/22.05/24/32/44.1/48 | MP3 Player Audio Voice Module

High-performance wireless data transmission chip NRF24L01 +, an increase of high-power PA and LNA chips, RF switches, band-pass filters and other professional full bidirectional RF power amplifier, making the effective communication distance has been greatly expanded. | NRF24L01P + PA + LNA wireless module works in the license-free 2.4G ISM band, can be point-to-point applications can also form a star network. | In the RF part of a large number of optimized matching debugging, making the highest transmission efficiency, the smallest harmonic, making NRF24L01P + PA + LNA wireless module to external radio equipment to achieve the lowest radio frequency interference, but also not susceptible to interference from other devices, extremely large Improve the stability of the work. | NRF24L01P + PA + LNA wireless module is highly integrated, the size of only 41mm * 15.5mm, easy to embed in any space-stressed products. | Customers only need to add one MCU to control NRF24L01P + PA + LNA through SPI port ,Wireless module to complete ultra-long-range wireless data transmission system design.Do not need to worry about R & D of RF part, drastically reduce R & D expense and shorten R & D cycle.

Communication Interface: IIC | 16-way steering gear control | Voltage: DC5-10V power supply | The PCA9685 chip is wrapped in the center of the board | All PWM output lines have a 220 ohm series resistor protection and can easily drive LED.

SSR-40DA 40A 250V Solid State Relay Alloy Heat Sink | Model: SSR-40DA | Input voltage: 3-32V DC | Output voltage: 24-380V AC | Control Method: DC to AC

3.3V and 5V dual power output | 3.3V and 5V IO compatible | USB 2.0 protocol

3.5" TFT LCD Display ILI9486/ILI9488 480x320 Suitable for MEGA2560 | Support Arduino Mega2560 Directly inserted | OnBorad level conversion chip for 5V/3.3V MCU | Compatible with 3.3/5V operation voltage level | Compatible with Arduino-Series development Board. (Please notice:This Screen is not touch screen)

Banana plug: diameter 4mm, Gold Plated | Test Hook Size 57mm ( Large Size ) | Cable Total Length: 1M ( 3.3Ft ) | Material:copper+PVC | Rated Current: 5A

ESP32 CP2012 USB C (Type-C) core board, it has 38 pins and more features than a 30-pin module. Narrower width, can be connected to the breadboard very well. | ESP32 integrates antenna, switches, RF balun, power amplifiers, low noise amplifiers, filters and power management modules. | Support many kinds of interfaces such as UART/SPI/I2C/PWM/DAC/ADC. | With 2.4GHz WiFi+Bluetooth Dual-mode, support STA/AP/STA+AP mode, universal AT command, easy to use.

1. Single module can drive an 8 * 8 dot matrix common cathode | 2. Module Operating voltage: 5V | 3. Module dimensions: length 3.2 cm X 3.2 cm wide X 1.5 cm high | 4. Holes with four screws, diameter 3mm | 5. Modules with input and output interfaces, support for cascading multiple modules

NANO IO Shield for Arduino