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B00TICEO30 Availability: Currently unavailable Score: 1000.000 Category: Electronics Rating: 2.8 Votes: 10 Find similar products SainSmart DIY Kit Inductance/Capacitance/Frequency Meter Secohmmeter Capacitance Meter. .	B00U29OHP8 Availability: Currently unavailable Score: 8.403 Category: Electronics Rating: 3 Votes: 13 Find similar products SainSmart DIY Kits 1Hz-50MHz Crystal Oscillator Frequency Counter Meter. .
B08TX33MX5 Price: $26.99 Score: 5.319 Category: Electronics Rating: 3.7 Votes: 18 Find similar products HAM 1-30 Mhz Manual Antenna Tuner for HAM HF Radio QRP DIY Kits, Good Helper for Antenna Erection. Specifications: Days when exposed to tune straight power: <20W Days when adjusting the input power tuning: <3W Tuning indication: LED display Interface: Q9 type Operating frequency: 1-30MHz Antenna Interface: Q9 type The antenna impedance matching range: about: 30 - 300 ohms Carrying RF power: less than 15W Tuning required RF power: less than 3W Box size: Approx. 10cm x 6.8 x 5.0cm Package weight: 210g Descriptions : 1. This is a set of DIY parts for QRP manual tuning. You need to have a certain foundation of electronic technology, understand related components, and be familiar with welding, assembly and debugging. Please read the kit instructions carefully before assembling. 2. The built-in circuit board is a standing wave indicator circuit, which is convenient for welding, simple process and not easy to make mistakes. It is the standard configuration of each version. 3. This tuning can add proper inductance or capacitance to the original non-resonant antenna to make the radio work normally. 4. It can modify the original resonant antenna, but due to external influences, the SWR of the antenna that has changed. 5. It can be used as a band-pass filter to reduce unnecessary out-of-band radiation when transmitting, and to reduce out-of-band cross-modulation and interference when receiving. Package : 1-30 Mhz Manual Antenna Tuner kitsThis kit is not a ready product but need welding and install by yourself. August Update - Products come with instructions.	B0953KBMJ3 Price: $10.97 Score: 5.319 Category: Electronics Rating: 1 Votes: 1 Find similar products SaiDian 1Pcs TA7318P VU Meter Driver Board DC 12V Power Amplifier DB Audio Level Meter. Feature: Power supply voltage: DC12V 0.12A. PCB Size: 5.2cm X 6.3cm. Input Sensitivity: 400Hz input audio signal measuring AC mV, the input: 97mV, 39 level meter to + 3dB position. Backlight power supply terminals: Available DCl0 to 12V 50MA. Sensitivity: Recommended 500UA sensitivity, 630 European resistance. Instruct ions for use: 1, the input section: Lin, 0, Rin, is an audio signal input terminal for CD audio output connected to the left and to the right channel. 2, the output section: Two VU Meter side + and — terminal as an output, respectively, should be connected to two level meter the +' and '- terminal. level meter sensitivity recommendation: DC 100 microamps to 500 microamps. Shouldnot exceed 1mA. Can adjust the sensitivity of the two separately header.Clockwise, sensitivity can be improved. LA, LB for the backlight power supply terminals, RA, RB of the other set power terminal. Note: The supply voltage must be strict to ensure DC12V,otherwise burn protection circuit. Package Included:1Pcs.
B00WZSSHSC Availability: Currently unavailable Score: 5.263 Category: Electronics Rating: 3 Votes: 137 Find similar products 12V PCB Board Kit - US Plug 110V DIY LM317 Adjustable Voltage Power Supply Board Kit with Case One Way Signal Generator Output. US Plug 110V DIY LM317 Adjustable Voltage Power Supply Board Kit With Case Features: One way adjustable signal generator output. Convenient to provide the pulse signal With a logical pen function. For convenient the logic level of test circuit With one way buzzer. You can test the wires on and off (connect the wires to the power positive and signal input, the wire on - the buzzer sound). You can also test the low-frequency signal (input the signal from the signal input, if there is a signal, the buzzer sound) Specifications: Power: 2W Voltage: 110V (update in 2015-03-11) Plug: US plug Output voltage: 1.25V - 12V regulated output continuously adjustable. PCB board size: 7.3 x 6.8cm (W / L) Shell Size: 11 X 6.9 X 41.5cm (L / W / H) Weight: about 295g Package included: 1 x DIY LM317 Kit.	B07SZ8YVTW Price: $19.99 Score: 5.236 Category: Electronics Rating: 3.3 Votes: 9 Find similar products Adafruit 4101 Adafruit MCP9600 I2C Thermocouple Amplifier - K, J, T, N, S, E, B and R Type T. Thermocouples are very sensitive, requiring a good amplifier with a cold-compensation reference. The Adafruit MCP9600 does all that for you, and can be easily interfaced with any microcontroller or single-board-computer with I2C. Inside, the chip handles all the analog stuff for you, and can interface with just about any thermocouple type: K, J, T, N, S, E, B and R type are all supported! You can also set various alerts for over/under temperature, and read the thermocouple (hot) temperature and the chip (cold) temperature. All this over common I2C This breakout board has the chip itself, a 3.3V regulator and level shifting circuitry, all assembled and tested. Works great with 3.3V or 5V logic. Comes with a 2 pin terminal block (for connecting to the thermocouple) and pin header (to plug into any breadboard or perfboard). Match it up with our 1m K-type thermocouple. Works with any K, J, T, N, S, E, B and R type thermocouple Datasheet rated for: K Type: -200°C to +1372°C J Type: -150°C to +1200°C T Type: -200°C to +400°C N Type: -150°C to +1300°C E Type: -200°C to +1000°C S Type: +250°C to +1664°C B Type: +1000°C to +1800°C R Type: +250°C to +1664°C Resolution of ±0.0625 °C - note that K thermocouples have about ±2°C to ±6°C accuracy Internal temperature reading 3.3 to 5v power supply and logic level compliant I2C data connection.
B00CS133KI Availability: Currently unavailable Score: 5.236 Category: Electronics Rating: 3.2 Votes: 7 Find similar products XSPC G1/4 Plug Sensor + LCD Temperature Display V2, Red. XSPC 1/4 Thread Temperature Sensor with Red LCD V2.	B00AR0C23Q Availability: Currently unavailable Score: 5.181 Category: Electronics Rating: 4.4 Votes: 67 Find similar products NOOBECR MFJ-822 SWR Meter, 1.8-200Hz, 30/300W. Compact Cross-Needle SWR/Wattmeter! Lighted Compact HF/VHF SWR/Wattmeter. Has huge 3 Cross-needle meter. No Calibration setup needed, reads forward power, reflected power, AND SWR all simultaneously! Perfect for mobile, Base or portable operation. Two selectable power ranges, built-in meter light ( if connected to12 VDC).SO-239 Connectors. 3 1/4 W x 3 1/4 H x 3 1/4 D inches.MFJ-822 covers 1.8-200 MHz, 30 or 300 Watts. Great for HF, CB VHF and 2M, Marine MURS and more! Key-adn-Read, No Calibrating!.
B00JAUT6BU Price: $14.95 Score: 5.051 Category: Electronics Rating: 3.7 Votes: 6 Find similar products Electronics123.com, Inc. Force Sensitive Resistor - Square. This is a force sensitive resistor with a square, 1.75x1.5, sensing area. This FSR will vary its resistance depending on how much pressure is being applied to the sensing area. The harder the force, the lower the resistance. When no pressure is being applied to the FSR its resistance will be larger than 1MΩ. This FSR can sense applied force anywhere in the range of 100g-10kg. Two pins extend from the bottom of the sensor with 0.1 pitch making it bread board friendly. There is a peel-and-stick rubber backing on the other side of the sensing area to mount the FSR. These sensors are simple to set up and great for sensing pressure, but they aren't incredibly accurate. Use them to sense if it's being squeezed, but you may not want to use it as a scale. Dimensions: Overall length: 3.5 Overall width: 1.75 Sensing area: 1.75 x 1.5.	B09CYWBL4F Price: $11.99 Score: 5.025 Category: Electronics Rating: 4.3 Votes: 23 Find similar products AITRIP 5pcs GY-291 ADXL345 3-Axis Digital Acceleration of Gravity Tilt Module for Arduino IIC/SPI Transmission. The ADXL345 is a small, thin, ultralow power, 3-axis accelerometer with high resolution (13-bit) measurement at up to ±16 g. Digital output data is formatted as 16-bit twos complement and is accessible through either a SPI (3- or 4-wire) or I2C digital interface. Accelerometer Features: Supply voltage range: 2.0 V to 3.6 V Digital-output triple-axis accelerometer with a programmable full scale range of ±2g, ±4g, ±8g and ±16g and integrated 16-bit ADCs Accelerometer normal operating current: 450µA Ultralow power: as low as 23 μA in measurement mode and 0.1 μA in standby mode at VS = 2.5 V (typical) Sleep mode current: 8µA Communication: SPI (3- and 4-wire) and I2C digital interfaces User-programmable interrupts Wake-on-motion interrupt for low power operation of applications processor Package inlcuded: 5 X GY-291 ADXL345 3-Axis Digital Acceleration of Gravity Tilt Module.