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The nRF24L01 is used on a wide variety of applications that require wireless control. They are transceivers which this means that each module can transmit and receive data. These modules are very cheap and you can use them with any microcontroller (MCU). Specifications nRF24L01 – 2.4GHz RF Transceiver
- Low cost single-chip 2.4GHz GFSK RF transceiver IC
- Range with Antenna: 250Kb rate (Open area) >1000 meter
- Power: Ultra low power consumption
- Input Voltage: 3.3V
- Pins: 5V tolerant
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NodeMCU is an open source IoT platform. It includes firmware which runs on the ESP8266 Wi-Fi SoC from Espressif Systems, and hardware which is based on the ESP-12 module. The term "NodeMCU" by default refers to the firmware rather than the development kits. The firmware uses the Lua scripting language. It is based on the eLua project, and built on the Espressif Non-OS SDK for ESP8266. It uses many open source projects, such as lua-cjson, and spiffs.
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'-U-BLOX NEO-6M module with high-gain active antenna; -TTL level, compatible with 3V/5V systems; -Baud rate: 9600kbps (default), adjustable by u-center; -Provided IPX interface for different active antennas; -Provided rechargeable battery backup, enabling to save ephemeris data on power down; -Support hot start.
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he 555 timer IC is an integrated circuit (chip) used in a variety of timer, pulse generation, and oscillator applications. The 555 can be used to provide time delays, as an oscillator, and as a flip-flop element. Derivatives provide up to four timing circuits in one package. Introduced in 1971 by Signetics, the 555 is still in widespread use due to its ease of use, low price, and stability. It is now made by many companies in the original bipolar and also in low-power CMOS types. This module is use as a square-wave signal generator. It generates square wave signals used for experimental development. It also generates square wave signal driving motor drive. With adjustable pulses generated for use by the MCU and adjustable pulse control related circuits.
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Specification: Item name:NAZE32 REV6a Flight Controller CPU:STM32F 103CBT6 Sensors: MPU6500 USB To UART:CP2104 Height: 36mm Width: 36mm Weight: 6 grams (no headers, 8 grams with) Version:6 DOF and 10 DOF Features: Battery voltage monitoring Built-in FrSky telemetry converter Modern 32-bit processor (STM32 F103) running at 3.3V/72MHz. Onboard USB for setup and configuration Modern GUI for all operating systems, Baseflight Configurator
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NanoVNA-F V2 50kHz-3GHz IPS 4.3Inch LCD Display Vector Network Analyzer S-A-A-2 Antenna Analyzer Sho E-880 Measurement frequency: 50KHz -3GHz Display: 4.3inch, Resolution 800*480 Battery: 5000mAh Li-ion Battery RF output power: -9dBm (error within 1GHz: ±1dB) Frequency accuracy: <0.5ppm S21 dynamic range: 70dB (1.5GHz), 60dB (3GHz) S11 dynamic range: 50dB (1.5GHz), 40dB (3GHz) 2-port return loss: 20dB typ (1.5GHz), 13dB min (3GHz) Number of calibration points: 101 points Number of scanning points: 101 points Number of traces: 4 Number of mark points: 4 (the mark point bar can be moved up and down on the screen) Setting save: 5 groups (after saving, it can be directly recalled when it is used next time, no need to recalibrate, and the saved parameters before the last shutdown will be automatically recalled when it is turned on next time) Support calibration result interpolation, can measure without recalibration after adjusting the measurement frequency band Scan time: about 1.9s/1 time (50kHz ~ 3000MHz full frequency band)
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In = 2-24V / Out = 5-28V @ 2A Switching Regulator (Boost = Output Voltage has to be higher than input voltage), Good for getting stable 3.3V or 5V output from 1xAA or 2xAA or Li-ion batteries. Specifications: -2V to 24V input voltage with output boost 5V to 28V adjustable. -Maximum output current: 2A. -Input voltage: 2V ~ 24V. -Maximum output voltage: > 5V - 28V. -Efficiency: > 93%. -Input voltage should not exceed the maximum input voltage. -Peak current output current should not more than 2A. -Output voltage should always be higher than Input voltage. -PCB Size: 36 mm * 17 mm * 14 mm.