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G1/4 Standard 304 Stainless Steel Liquid Level Electrode Boiler Boiling Water Level Sensor Probe Electrode Rod Description: High-quality Material: The water level electrode rod is made of standard 304 stainless steel, which is corrosion-resistant, not easy to rust, and has a long service life. Stable Performance: The ... $4.75
~~$6.79~~ SKU: 14066
$4.75
~~$6.79~~
30

5 Meters PT100 Temperature Sensor Type-K Waterproof 0℃~800℃ Platinum Resister Description: 1>.Sensor type: Type-K 2>.Measuring temperature: 0℃~800℃ 3>.Inner hole: 5mm 4>.Sensor length:5 meters $4.19
~~$5.99~~ SKU: 14058
$4.19
~~$5.99~~
31

2 Meters PT100 Temperature Sensor Waterproof 0℃-300℃ Platinum Resister Description: 1>.Probe diameter:5mm 2>.Probe length:30mm 3>.Lead wire length:2 meters 4>.Lead wire: Teflon wire 5>.Temperature range: 0℃-300℃ 6>.Accuracy ... $2.79
~~$3.99~~ SKU: 14057
$2.79
~~$3.99~~
30

Type-K Thermocouple Temperature Sensor 1 Meters 600℃ Oven Temperature Detector Description: 1>.Sensor Type: K type 2>.Measuring Temperature: 0-600℃ 3>.Probe length: 200mm 4>.Probe diameter: 7mm 5>.Thread size: M12x1mm 6>.Probe material: stainle... $3.21
~~$4.59~~ SKU: 14053
$3.21
~~$4.59~~
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1 Meter Type-K Thermocouple Temperature Sensor -50℃~400℃ Liquid Temperature Probe Description: 1>.Temperature range: -50℃~400℃ 2>.Protection tube diameter: 3mm 3>.Protection tube length: 100mm 4>.Measurable liquid, gas, non-measurable solid surface $3.21
~~$4.59~~ SKU: 14052
$3.21
~~$4.59~~
30

Lithium Battery Charging Board 5V 2A LCD Display Dual USB Output Charger Module DIY Charger Parameter: 1>.Input charging voltage: DC 5V 1A 2>.Input battery voltage:DC 3.7V-4.2V Polymer Rechargeable Lithium Battery 4>.Output channel:2 Channel 5>.Output voltage:5V2.1A/5V1A ... $4.89
~~$6.99~~ SKU: 14045
$4.89
~~$6.99~~
31

DC 12-30V XH-A902 Operational Pre-Amplifier Module NE5532 Amplifier Front Panel Digital Audio Module Description: The XH-A902 audio preamplifier board uses the original imported op amp chip, which is purer than other similar op amps.Smaller noise floor.It is suitable for a wide range of preamplifier amplification of all audio... $3.49
~~$4.99~~ SKU: 13904
$3.49
~~$4.99~~
31

XH-A252 DC5 Digital Bluetooth-compatible Receiver Module Wireless Power Amplifier Board Lossless Voice Audio Module Support APE/FLAC/MP3/WAV Description: XH-A252 Bluetooth audio receiver for connecting amplifiers. Support APE, FLAC, MP3, WAV, WMA and other music formats, the mainstream mainstream music format can be decoded. Support unobstruct... $4.68
~~$6.69~~ SKU: 13899
$4.68
~~$6.69~~
31

Power-ON Delay Relay Switch Module DC 12V 60s Programmable Delay Controller Parameter: 1>.Model: YS-RT1T 2>.Supply voltage: DC 12V 3>.Working current: 68mA 4>.Stand-by current: 2.8mA 5>.Output type: Relay(It can not output voltage) ... $3.05
~~$4.35~~ SKU: 13836
$3.05
~~$4.35~~
30

DC 5V MP3 Wireless Bluetooth-compatible Audio Receiver Module Lossless Decoder V4.1 for DIY Speaker Compatiable with Andrioid iOS Parameter: 1>.Supply voltage: DC 3.7-5.5V 2>.Work current: 23mA-30mA 3>.Power supply interface: Micro USB or Male Pin 4>.Bluetooth name: BM3 5>.Bluetooth password: 168... $3.42
~~$4.89~~ SKU: 13825
$3.42
~~$4.89~~
30

DIY Kit RGB LED Flashing Controller SMD Component Soldering Practice Electronic Kits Description: 1801 patch 15 way lantern controller patch welding practice kit: has the following 10 major functions. Training, exams, and competitions are preferred. Interesting - add 4-6V after the circuit is instal... $2.63
~~$3.75~~ SKU: 13823
$2.63
~~$3.75~~
30

DC 5V Electric Code Lock Suite For DIY Kit Electric Teaching Experiment Parameter: Work voltage:DC 5V Characteristics: ▲The whole process is processed by high-quality glass fiber tin-plated board. ▲Specially designed for the training. ▲Easy to withstand repeated and... $3.49
~~$4.99~~ SKU: 13818
$3.49
~~$4.99~~
31

DIY Kit Analog Electronic Candle Lights Happy Birthday Thermal Sensor MIC Sound Control Simulation Candle Description: This circuit simulates the use of real candles, is lit with fire, and blown out with a mouth. Light up and play your happy birthday song, stop playing the music when it blows out. The analog electronic ca... $2.09
~~$2.99~~ SKU: 13816
$2.09
~~$2.99~~
31

DIY Kit Analog AC three-phase Controller Motor Forward and Reverse Controller Description: The electrician training circuit was simulated by means of pure electronic circuit. At the same time as the electronic skill training, electrician training was carried out to realize the purpose of high-efficiency traini... $3.91
~~$5.59~~ SKU: 13814
$3.91
~~$5.59~~
30

DIY Kit RGB LED Flashing Controller SMD Component Soldering Practice Electronic Kits Description: Double-sided full patch design, 9 components of the bottom layer, a total of 90 components, 255 solder joints, 14 test points, can be used for initial identification of components, welding exercises. The top-level... $3.49
~~$4.99~~ SKU: 13813
$3.49
~~$4.99~~
31

DIY Kit SMD Component Soldering Practice Description: The circuit is novel, interesting, and complete in components. It adopts double-sided fiberglass tinplate, which is another masterpiece after the 1801 and 1803 patch welding practice boards. It can be used as patc... $2.58
~~$3.69~~ SKU: 13812
$2.58
~~$3.69~~
30

DIY Kit Infrared Sensor Alarm Electronic Circuit Learning Soldering Practice Kit Descrption: This circuit design can realize the buzzer sounds when the hand is close to the infrared emission tube and the infrared receiving tube, the LED light is on, the sound is stopped immediately after the hand is ... $2.35
~~$3.35~~ SKU: 13808
$2.35
~~$3.35~~
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Signal Generator Square Wave Generator 1-Channel 1Hz-150KHz Dual Mode LCD PWM Pulse Frequency Duty Cycle Adjustable Module 1.Description: ZK-PP1K signal generator is a device that provides electrical signals at a variety of frequencies, square wave, pulse and output levels. It supports dual mode: PWM mode and PULSE mo... $4.89
~~$6.99~~ SKU: 13755
$4.89
~~$6.99~~
31

Voice Playback Module, Music Player Voice prompts Voice Broadcast Device, MP3 Trigger Amplifier Class D 5W 64MBit Flash for Arduino Description: DY-SV8F is an intelligent voice module developed by the division independently. It integrates I/O subsection triggering, UART serial port control, ONE_line single bus serial port control. Onboard 5W Clas... $4.89
~~$6.99~~ SKU: 13751
$4.89
~~$6.99~~
31

AC-DC 24V 1A Isolated Step-Down Switch Power Supply Module Buck Converter Parameter: 1>.Model:CL-DC24025 2>.Input Voltage: AC100-265V 3>.Output Voltage:24V 1A 4>.Output Power:24W 5>.Over Voltage Prortection:Yes 6>.Over Current Protection:Yes 7>.Short Circuit Pro... $3.70
~~$5.29~~ SKU: 13709
$3.70
~~$5.29~~
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