Category: DIY Electronic Kits
Showing 65–80 of 1202 results
10pcs DIY OTL Discrete Component Power Amplifier Kit Electronic Production Kit
$29.63DIY Electronic KitsAdd to cartDescriptionQ1 is an excitation amplifier, which gives enough driving signal to the output stage of power amplification; R1 and RP2 are the bias resistors of Q1; R3, D1 and RP3 are connected in series on Q1 collector circuit to provide bias for Q3, so that it can be in the microconduction state in static state …
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10pcs DIY Photosensitive induction Electronic Switch Module Optical Control DIY Production Training Kit
$16.07DIY Electronic KitsAdd to cartDescriptionBoard size:17 x 23mmThis kit needs the buyer to weld and install by himself. It is suitable for beginners, enthusiasts and students in welding and assembling practice.The circuit is composed of photoresistor and triode emitter follower. The voltage of the photoresistor is converted to the base electrode when the value of the resistance changes. The …
10Pcs DIY QRP Pixie CW Receiver Transmitter Kit 7.023MHz Telegraph Shortwave Radio
$91.88DIY Electronic KitsAdd to cartFeaturePower supply:9V-12V (Recommended 9V laminated battery)Antenna:50 ohm, unbalancedFrequency range:transmitter local oscillator frequency:7023kHz; receive local oscillator frequency:about 7023-7026KHzHeadphones:low-impedance headphonesTransmit power:0.8W (using a 9V power supply), 1.2W (12V power supply)Suppress spurious (harmonic):-20dBNote:This is a DIY kit, you need to have some soldering skills.Instruction:Click here to openPackage included10 x DIY QRP Pixie Kit
10pcs DIY Simple Metal Detector Metal Locator DC 3V-5V Electronic Metal Sensor Module Kit
$35.60DIY Electronic KitsAdd to cartDescriptionSupply voltage:3-5VDimensions:66 x 61MMMaximum detection range:5CMThe new board simple metal detector kit with 1.6mm double-sided fiberglass board doUses:games and entertainment, security checks, searches the body of metal products, including cell phones, etc., according to the production principle, also can be designed according to the principles of this package produce cars detection, traffic statistics, elevator floor …
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10pcs DIY SMD Component Soldering Practice Board Mini PCB Rotating LED Flash Kit
$25.96DIY Electronic KitsAdd to cartDescriptionWorking voltage:3~12VFor SMD Component Soldering Practice.Type:Quantity:PCB mark0805 SMD capacitor 0.1uF:20:C1, C20805 SMD resistor 10K ohm(103):50:R1,R14-R170805 SMD resistor 1M ohm:10:R20805 SMD resistor 330ohm-1k ohm:150:R3-R13, R18-R210805 SMD red LED:150:D1-D11, D16-D19SMD 1N4148:10:D12-D15SMDS8050(J3Y):40:Q1-Q4SMD NE555:10:U1SMD CD4017:10:U2PCB 45*50:10Package included10 x DIY SMD Component Soldering Practice Board
10Pcs DIY SMD Rotating LED SMD Components Soldering Practice Board Skill Training Kit
$53.70DIY Electronic KitsAdd to cartDescriptionWorking voltage:3~12VBoard size:90 x 60 x 1.6mmThis DIY SMD practice board suitable to improve soldering level and speed.Package included10 x SMD Components Soldering Skill Training Kit
10Pcs DIY Touch Vibration Alarm Kit Electronic Training Teaching
$34.22DIY Electronic KitsAdd to cartWorking principleThe touching vibration alarm consists of touch trigger circuit, vibration trigger circuit and alarm circuit. The 555 time base circuit U1 forms the typical monostable operating mode. The transient time is determined by the values of RP1, R2 and C2.Usually the circuit is in steady state, 555 time base circuit 3 pin output low, …
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10pcs DIY Voice Controlled Melody Light 5MM Highlight DIY LED Flash Electronic Training Kit
$22.22DIY Electronic KitsAdd to cartDescriptionCircuit functions:With the sound of music or other sounds, LED lights follow the rhythm of the sound (the speed of the sound) and flicker. After successful welding, you can feel the wonderful combination of sound and light.Working voltage:3-4.5V ( if you need a higher working voltage, please add a current limiting resistor on LED, usually …
10pcs DIY Voice Controlled Melody Light 5MM Highlight DIY LED Flash Electronic Training KitRead More
10Pcs DIY White Noise Signal Generator Kit 2 Way Signal Output
$22.32DIY Electronic KitsAdd to cartInstallation instruction:http://files.hobbyant.com/2017/18.01/SG-10-Noise-signal-generator-kit.pdfFeatureWhite noise signal commonly known as noise, similar to the noise floor of the radio. Use is very wide, such as testing and treatment of insomnia and so on!DC 12V power supply. Two-way signal outputJ1 output 1V fixed non-adjustable noise signal, big internal resistance, suitable for PRE input.JK1 output 1V continuously adjustable white noise …
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10Pcs Electronic Dice DIY Kit 5mm Red LED interesting Parts NE555 CD4017 Electronic Production Suite
$47.34DIY Electronic KitsAdd to cartDescriptionElectronic dice kit is based on the NE555 oscillator circuit and fun circuit CD4017 counter display kit. Can simulate the dice, make fun of the game.ParametersSupply voltage:4.5-5VDimensions:74 x 35mmNote:This is a DIY kit, you need to assemble it.Quantity:10 setFunctionWhen a power-up, 7 LED will randomly display a number of points, players press the switch S1,7 …
10Pcs Electronic Dice Kit with Reverse Connection Protection LED Dice DIY Electronic Parts
$42.20DIY Electronic KitsAdd to cartSpecificationPower supply voltage:DC4.5-5.0VBoard size:40 * 64mmSoldering tips1. The resistance value should correspond to the label on the board.2. Pay attention to the positive and negative poles of the LED.3. The diode 1N4007 white side is the negative side, and 1N4148 black side is the negative side. The vertical bar on the board is the negative …
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10pcs Electronic DIY Kit MQ-2 Smoke Sensor Detector Natural Gas Alarm Components Kit
$66.08DIY Electronic KitsAdd to cartDescriptionWorking voltage:DC5V-6VMain components:MQ-2 smoke sensor, LM358 integrated chipFunction:Detecting liquefied gas, propane, hydrogen, natural gas, and other combustible gases. When flammable gas is detected, the red light is on, the buzzer sounds, and the relay acts. The three are activated at the same time. The probe needs to be warmed up for 1 minute, so it …
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Ebyte E810-DTU(CAN-ETH) Smart Protocol Conversion GPRS Modem Modbus to TCP/IP CAN Bus Ethernet interface Modbus RTU Gateway
$96.54Smart ModuleAdd to cartSpecificationItemsDescriptionInterfaceEthernet:RJ45, 10/100MbpsCAN:1*5*3.81, ScrewingNetwork protocolIP,TCP/UDP, ARP, ICMP, IPV4Simple transparent transmissionTCP Server,TCP Client,UDP Server,UDP Client,Cloud transparent transmissionData Packing MechanismByte packing and time packingTCP Server connectionSupporting up to 6 TCP connectionsIP accessStatic IP,DHCPDNSSupportCAN Transmit baud rateA total of 15 baud rates from 6Kbps-1000KbpsCAN filtering modeUp to 8 filtration modesCAN data layoutProtocol formatParameter configurationWeb page configurationWorking current82mA@12VVoltage8V~28VDC,Over 28V may …
TP4056 Micro USB 5V 1A Lithium Battery Charging Protection Board TE585 Lipo Charger Module
$4.36Battery Protection ModuleAdd to cartSpecificationProduct name:Lithium Battery Charging BoardInput voltage:5VMaximum charging current:1000 mACharge cut-off voltage:4.2 V + / – 1%Battery overcharge protection voltage:2.5 VBattery over-current protection current:3 AInput interface:micro USBSize:27mm x 17mmHow to Use1. Input port with micro 5pin USB female, can directly use mobile charger for input to the lithium battery,and still retain the input voltage wiring solder …
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10pcs 10-50W 15Wx2 Audio Power Amplifier DC 6 -18V TDA7297 Module Double Channel
$77.83Amplifier BoardAdd to cartFeatures– Working Voltage:6-18V DC– The onboard TDA7297 audio power amplifier chip, double channel 15WX15W– Speaker for European 4-8 10-50W use– Main pin has led chip, convenient external control device, the onboard– 5.08 (mm) distance between two p terminal 2 road, around a track connection output respectively– The onboard dial potentiometer, output size can adjust the …
10pcs 10-50W 15Wx2 Audio Power Amplifier DC 6 -18V TDA7297 Module Double ChannelRead More
LILYGO TTGO ESP32-Micro32 ESP-32-PICO WIFI Wireless bluetooth Control Module
$20.57Smart ModuleAdd to cartFeatureSeries:ESP32Model:ESP32-+MicroType:Regulator ICPower:1WApplication areas:household appliances, smart home, wearable devices, Internet of Things IoTDescriptionsESP32 vcc range:2.2V-3 6VVBAT:direct to battery (and charger)VUSB:direct to USB(5V)VCC:Output of regulator 3.3V/600mAUp to 250mA during RF transmissionsWirelessWifi:802.11 b/g/n/e/iWPA/WPA2/WPA2-Enterprise/SPSbluetooth:bluetooth 42BLESize:1.9×1.3cm/0.75×0.51inchNotePlease allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the …
LILYGO TTGO ESP32-Micro32 ESP-32-PICO WIFI Wireless bluetooth Control ModuleRead More
50Pcs 915MHz SW915-TH12 Copper Spring Antenna for Wireless Communication Module
$28.90Module ComponentsAdd to cartFeaturesSW915-TH12 copper spring antenna is a special antenna for 915MHz wireless communication system design. The antenna has good standing wave ratio, compact shape, ingenious structure, convenient installation, stable performance and good anti-vibration and aging ability.SpecificationFrequency range:915 MHz (+/-5)Standing wave ratioInput impedance:50Maximum power:5WGain:2.15 dBiWeight:1gHeight:12.5+/-1 mm (9T)Antenna color:copperInterface Form:Direct WeldingPackage included50 x Antenna
5Pcs 360 Degree Rotary Encoder Module Encoding Module
$11.83Other Module BoardAdd to cartFunctional characteristics and technical parameters 1)Nominal voltage:DC 5V 2)Wire A, B:0.5mA (Max 5mA; Min 0.5mA) 3)Common wire:1mA (Max 10mA; Min 0.5mA) 4)Temperature range:-30→ to+80→ 5)Output signal A , B phase position output square wave, when clockwise rotation, A phase position pull ahead B phase position 90 °, when anti-clockwise, B phase position pull ahead A …
5Pcs 360 Degree Rotary Encoder Module Encoding ModuleRead More
RD21F Delay Relay Module Power for Delay off Fan Module AC 100V-220V Time 0.2S-300min Adjustable Delay
$13.11Relay ModuleAdd to cartSpecificationsVoltage:100V-220V ACPower consumptionOutput:The output voltage is the same as the input voltage, and the maximum power supply capacity is 10A.Size:88* 36 * 22mmScrew hole:center distance 83mm * 31mm, aperture 3.2mmTime range:(4 files, selected by switch)First gear:range 0.2 seconds-30 seconds, accuracy:0.1 secondsSecond gear:range 0.2 seconds – 300 seconds (5 minutes), accuracy:0.3 secondsThird gear:range 0.2 seconds-30 minutes, …