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B07PQQGJ2C Price: $13.69 Score: 1000.000 Category: Electronics Rating: 5 Votes: 17 Find similar products High Stability Temperature Compensated Crystal Module Oscillator Use for Yaesu FT-817/857/897 TCXO. Features: For Yaesu FT-817/857/897 and other models for temperature-compensated crystal components, fully compatible with the original TCXO-9. The frequency is 22.625MHz, which can improve the stability of the machine after replacing the original crystal. It is superior to the original module in different environments. Actual test the frequency of the crystal is observed with a high-precision frequency meter. The original crystal frequency is deflected with a fire-baked , but this temperature-compensated crystal has no obvious change, and the effect is remarkable. In general, the temperature difference between winter and summer in the northern region is large. Many machines adjust the frequency in summer and the temperature is biased in winter. Or the indoor use in winter is normal. If you go to the field, the frequency will be offset. You can solve this problem by replacing this temperature-compensated crystal. The crystal preciseness can reach 0.5PPM, which is consistent with the original TCXO-9 module parameters, the price is only 15% of the original module, and the cost performance is extremely high. Specification: Material: Hardware + Plastic Weight: 10g Package list: 1 * Temperature-compensated Crystal Module.	B07TTTCN8H Price: $20.82 Score: 5.682 Category: Electronics Rating: 4.1 Votes: 425 Find similar products Pimoroni Fan Shim for Raspberry PI. .
B07SZ8YVTW Price: $19.99 Score: 5.525 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.	B07L1DZMKS Price: $15 Score: 5.376 Category: Electronics Rating: 3.9 Votes: 5 Find similar products DC 12v 3a 4pin PWM PC CPU Fan Temperature Control Thermostat Speed Controller. Automagically control 4-pin CPU fan speed with this nifty chip. Use the included temperature probe to program fan speed based on your heatsink temperature, or use in manual mode to toggle between speeds. Perfect for DIY or repair of LED heatsinks and Peltier cooler chip heatsink fans. Reduce fan speed when full speed is not necessary to eliminate noise and maximize fan life. 1. Do not install the temperature probe for manual control: click / double-click (double-click the speed not too fast) key up / down position. Each time you change the gear, continue to run for 20 seconds is automatically stored stalls, in 20 seconds, No. 2 indicator light will flash rapidly (at this time temperature control is invalid), when the stop flash after that has been stored stalls. The 3/1 indicator will light when the position can not be increased / can not continue to decrease. 2. When the temperature probe is installed, the speed of the manual speed is the initial low speed (bottom line speed). When the temperature exceeds the acceleration temperature, the fan speed increases smoothly with the temperature rise. When the temperature reaches and exceeds the acceleration temperature and acceleration width of the sum (that is, full speed), the fan at full speed. Set the acceleration temperature and the acceleration width parameters see the following setting diagram, Figure 1 2 3 number on behalf of the board indicator light (red), off (white) state in binary order. Normal operation: Click the key to increase the output of the bottom line 5%, double-click the key to reduce the output of the bottom line 5%, change the value after running 20 seconds, until the middle of the light to stop flashing automatically save the parameters. Press the long press button to enter the temperature control setting.
B0BMQPZ4B9 Price: $11.39 Score: 5.348 Category: Electronics Rating: 4.1 Votes: 14 Find similar products Sumklin TEC1-12706 Peltier Cooling Plate Cooler Module 12V 6A TEC1-12706 Cooling Chip 40x40mm 3PCS Semiconductor Refrigeration Tablets. Specifications: Rated voltage: DC12V Size: 40x40x3.6mm Working Current: 4.3-4.6A (rated 12V) Imax: 6A Cooling power: Qcmax 48W 3PCS TEC1-12706 Peltier Cooling Modules.	B01N0L05M2 Availability: Currently unavailable Score: 5.348 Category: Electronics Rating: 5 Votes: 4 Find similar products KNACRO MPU9250+BMP280 10DOF Acceleration Gyroscope Compass 9 Shaft Sensor. Chip: MPU-9250 + BMP280 Power supply: 3-5v (internal low dropout regulator) Communication: standard IIC / SPI communications protocol Chip built 16bit AD converter, 16-bit data output Gyroscopes range: ± 250 500 1000 2000 ° / s Acceleration range: ± 2 ± 4 ± 8 ± 16g Magnetic field range: ± 4800uT Pressure range: 300-1100hPa Using Immersion Gold PCB, machine welding process to ensure quality 2.54mm pin pitch Size:14.3mm*20.5mm Package included: 1 X GY-91 MPU9250 BMP280 10DOF Acceleration Gyroscope Compass 9 Shaft Sensor.
B082LTHR28 Price: $11.49 Score: 5.319 Category: Electronics Rating: 4.4 Votes: 14 Find similar products HiLetgo PCF8523 Real Time Clock RTC Breakout Module PCF8523 Real Time Clock Assembled Breakout Board 3.3V 5V Time Clock for Arduino. Description: The PCF8523 is simple and inexpensive but not a high precision device. It may lose or gain up to 2 seconds a day. For a high-precision, temperature compensated alternative, please check out the DS3231 precision RTC . If you need a DS1307 for compatibility reasons, check out our DS1307 RTC breakout. This is a great battery-backed real time clock (RTC) that allows your microcontroller project to keep track of time even if it is reprogrammed, or if the power is lost. Perfect for datalogging, clock-building, time stamping, timers and alarms, etc. Equipped with PCF8523 RTC - it can run from 3.3V or 5V power & logic. Note: This product does not come with a CR1220 coin cell battery. We recommend you purchase a coin cell battery to use with this product. Package Included: 1* PCF8523 RTC Real Time Clock Breakout Board 1* Pin Header.	B00U29OHP8 Availability: Currently unavailable Score: 5.291 Category: Electronics Rating: 3 Votes: 13 Find similar products SainSmart DIY Kits 1Hz-50MHz Crystal Oscillator Frequency Counter Meter. .
B07XFZ5XS5 Availability: Currently unavailable Score: 5.291 Category: Electronics Rating: 3.5 Votes: 2 Find similar products KNACRO IIC I2C TWI 1602 Serial Blue Backlight LCD Module for UNO R3 MEGA2560 16 X 2, 1602 White Letters on Blue Display-(Pack of 2). Displays 2-lines X 16-characters.Backlight (White character on Blue background). With Backlight, the backlight can be turned on or off via a jumper cap. Contrast can be adjusted with a blue potentiometer, clockwise and counterclockwise. Power supply: DC 2.5-6V; You can connect directly to board. Module dimension: 82mm x 36mm x 15mm. Viewing area size: 64.5mm x 16mm. Weight: 35g. IIC/I2C interface was developed to reduce the IO port usage on board. I2C Address: 0x3F or 0x27 The device address can be modified by connecting: A0/A1/A2. The default is 0x3F or 0x27 (can be obtained by scanning); Address modification instructions (take the default address 0x27 as an example) A0, A1, A2 all disconnected address is 0c27; A0 connection: the address is modified to: 0x26; A1 connection: the address is modified to: 0x25; A3 connection: the address is modified to: 0x23; ...... A0, A1, A2 all links, the address is modified to: 0x20; How to connect: GND: POWER -; VCC: POWER -; SDA: IIC data line; SCL: IIC clock line; Old 1602 screen requires 7 IO ports but this module uses only two. Much needed control panel IO ports can be used to add some sensors, SD card and so on. Package List: 2x IIC/I2C/TWI 1602 Serial LCD Module.	B09C3HG598 Price: $17.68 Score: 5.263 Category: Electronics Rating: 3.9 Votes: 46 Find similar products 10S 32V 36V 42V 1.2A Li-ion Lipo Lifepo4 LFP Battery Active Equalizer BMS Balancer Inductive Balance Lithium Battery Energy Transfer Board (10S). Note: If the battery is connected, it must be used with the BMS protection board. The charge/discharge voltage difference triggers the balance board to work to achieve energy transfer balance. Applicable battery: NCM(Li-ion)/LFP, NOT Fit LTO. Single battery voltage: 3.0-4.2V Suggested battery capacity: below 30AH, If more than 30AH, pls search B096NLHXPF . Voltage balance accuracy: 30mV (typical value) between adjacent voltages Balance method: Detect that the voltage difference between adjacent batteries is greater than 0.1V to trigger the start of equalization, and the adjacent battery voltage difference is less than 0.03V to stop working. Balance current: 0.1V voltage difference 0.5A balance current, the maximum balance current is 1.2A when the voltage difference is above 0.2V. Under-voltage protection dormant voltage: The adjacent voltage difference is less than 0.03V and enters dormant state. Static working current: 0.01mA Accessories: 30cm 22awg terminal wire Product Size: 3.34x1.77x0.25inch Balance indication: 1. When the balance indicator on, the balance work is turned on. 2. The balance indicator OFF, the balance circuit sleeps, 3. The balance indicator flashes, it drop cells, or the circuit is faulty. Note: The cable plug needs to be inserted obliquely, first touch the B- pin and insert it obliquely, otherwise it may cause the board to burn out! Wiring definition: B-: the total negative pole of the battery pack (the negative pole of the first battery) B1: The positive pole of the first battery B2: The positive pole of the second battery B3: The positive pole of the third battery B4: The positive electrode of the 4th battery B5....... and so on. Package included: 1x Active Balance PCB with 11pin Cable.