Development Board Ra-02 LoRa SX1278 Ra-02 Module (433MHz) Long range NodeMcu module based on ESP8266 controller and programming in Lua language NodeMcu is equipped with 10 GPIO, PWM, I2C, 1-wire and ADC ESP8266-12E is an improved version of ESP8266-12 It works as a standard WiFi 802.11 b / g / n 2.4 GHz USB Communication - CP2102 Chip Characteristic: ESP 12E ESP8266 ESP12E NodeMcu Lua Wireless Development Board CP2102 WiFi features: - Supply voltage: 3.3V (LOGICAL LEVELS: 3.3V) - Supported protocols: 802.11 b / g / n - Network support: 2.4 GHz - Band: 2400 (MHz) - Wi-Fi Direct (P2p), Soft Access Point - Integrated TCP / IP stack - PLL, regulators and integrated power management units - Output power: 0 , 15 (W); + 19.5dBm in 802.11b mode Code W0108 ✗ Out-of-Stock Price €7.43
2x PCF8574P I/O Extension Board 8574 NXP - The PCF8574P is an 8-bit remote I / O expander for the I2C bus with 16-pin DIP packet interrupt. - Provides general-purpose remote I / O expansion via a two-wire, two-way I2C bus (Serial Clock (SCL), Serial Data (SDA)). - Devices consist of eight quasi-directional ports , 100KHz I2C bus interface, three hardware address inputs and interrupt output operating between 2.5V and 6V. - Quasi-bidirectional port can be independently assigned as one input to monitor interrupt status or keyboards or as an output to activate indicating devices like LEDs. - System Master can read from the input port or write to the output port through a single register. Code T0010 Available Price €0.95
Passive Buzzer PCB Long Blue This module is a passive buzzer, a low trigger level alarm for Arduino. It emits different sounds at various frequencies. The buzzer sounds when the I / O port input is low level. Code M0163 Available Price €1.07
BD139 Plastic Medium-Power Silicon NPN Transistors pack 5ps BD139 Plastic Medium-Power Silicon NPN Transistors pack 5ps features: Material: Silicon Polarity: N-P-N Encapsulated: TO 126 Audio amplifier, driver VCBO collector-base voltage: 60V VCEO collector-emitter voltage: 60V VEBO emitter-base voltage: 5V Collector continuous current: 1.5A Typical gain of direct current. hfe: 40-160Maximum power dissipation: 12.5 Watt if T <= 25ºC Working frequency: 250 MHzTypical gain of direct current. hfe: 40-160 Code T0075 Available Price €0.82
Potentiometer B100K linear Characteristic: -100k OHM kΩ - Linear potentiometer 100k Arduino -Tolerance: +/- 20% - Power: 0.125W Code K0070 Available Price €0.82
10x Electrolytic Capacitor 470uF 10V 105ºC 10x Electrolytic Capacitor 470uF 10V 105ºC PIC Arduino features:-Type: Electrolytic Capacitor-Assembly: intern-Value: 470uF-Maximum tension: 10V-Maximum temperature 105º C-Dimensions: 8x12mm-Quantity: 10 units Code D0095 Backorder Price €0.11
DHT22/AM2302 Temperature Sensor Humidity PCB + Digital Cable for Arduino - The DHT22 humidity sensor is presented in a plastic body ideal for mounting on a panel or similar. It uses a capacitive sensor that returns a digital signal with the measurement - This sensor, unlike DHT11, is capable of measuring negative temperature values and measures tenths of a degree Characteristic: - Operating voltage: 3 to 5.5 VDC - Humidity measurement range: 0-100% ± 2% accuracy - Temperature measurement range: -40ºC to 80ºC ± 0.5º accuracy - Maximum sampling rate: 2 seconds Useful links for Arduino / Raspberry programming and projects with Arduino / Raspberry boards: Write texts on the OLED 0.96 '' screen - Read the measurements of the temperature / humidity sensor DHT22 / AM2302 on a 0.96 '' OLED screen Send /> Code M0099 Available Regular price €5.36 -€2.00 Price €3.36
1 Channel Relay Module DC 5V 10A Low/High Trigger for Arduino 1 Channel Relay Module DC 5V 10A Low/High Trigger for Arduino features:- Channel: 1 (protected with Optocoupler)- Supply voltage: 5V- Output Current: 10A- Relay activation current: 15mA ~ 20mA- Insulation: Yes- Trigger signal type jumper (low / high)- LED indicator- Dimensions: 30x 54mm- Has a jumper that allows to choose type of trigger signal (low / high)- This module can be controlled directly by the microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL) Code RL001 Available Price €1.98
12V On/Off LED Pushbutton Green 16mm N/A NO Characteristic:- For panel N / A NO 2A 36V Stainless Steel on / off- Type of operation: On / Off- Contact switch: 1 NA (normally open)- Max Switch Classification: 2A / 12VDC- Body material: Stainless steel- Button Material: Stainless steel- Protection Classification: IP67 / IK08- Operating temperature: -20C + 55C- Color: Green Code K0193 Last items in stock Price €4.87
Limit Switch with Wheel - 5A 250 Vac - 1 switched - Arduino compatible Limit Switch with Wheel - 5A 250 Vac - 1 switched - Arduino features: -Micro KW12-3 on / off switch -Max Current: 5A -AC voltage: 125-250V -Operating temperature: -40 to 70 degrees C -Quantity: 2 units Code K0018 Available Price €0.49
12V Momentary LED Push button Red 16mm N/A NO 12V Momentary LED Pushbutton Red 16mm N/A NO features:- Type of operation: momentary (automatic return)- Contact switch: 1 NA (normally open)- Max Switch Classification: 2A / 12VDC- Body material: Stainless steel- Button Material: Stainless steel- Protection Classification: IP67 / IK08- Operating temperature: -20C + 55C- Color: Red Code K0191 Available Price €4.87
12V On/Off LED Pushbutton Blue 16mm N/A NO Characteristic:- For panel N / A NO 2A 36V Stainless Steel on / off- Type of operation: On / Off- Contact switch: 1 NA (normally open)- Max Switch Classification: 2A / 12VDC- Body material: Stainless steel- Button Material: Stainless steel- Protection Classification: IP67 / IK08- Operating temperature: -20C + 55C- Color: Blue Code K0192 Available Price €4.87
Rocker switch KCD4 Momentary 15A 250V Double (ON)-OFF-(ON) The AC 250V 15A 6-pin rocker switch type DPDT (On/Off/On) Code K0403 Available Price €1.61
12V Momentary LED Pushbutton Blue 16mm N/A NO 12V Momentary LED Pushbutton Blue 16mm N/A NO features:- Type of operation: momentary (automatic return)- Contact switch: 1 NA (normally open)- Max Switch Classification: 2A / 12VDC- Body material: Stainless steel- Button Material: Stainless steel- Protection Classification: IP67 / IK08- Operating temperature: -20C + 55C- Color: Blue Code K0099 Available Price €4.87
Vertical Slide Switch 2P2T 50V 0.5A 6 DIP pins and 2 positions DPDT. This switch is widely used to control the operation of many small electronic power projects, including volume and other controls for audio video, dimmer controls for lights.It is also a great component for DIY. Vertical Slide Switch 2P2T 50V 0.5A features: - Type: 2P2T- Contact resistance: 30 MΩ max.- Insulation resistance: 100 MΩ- Maximum operating voltage: 50V- Maximum operating current: 0.5A- Can support 500 VAC for 1 minute- Step between pins: 2.54mm / 0.1 "- Pin size: 4.5x0.5x15 / 0.77 "x0.19"- Type of current: DC- Pins to be welded- Switch action: 2 ON / OFF positions- Shape of interrupter: rectangular- Size: 16x6.5x15 / 0.2 "x0.02" Code K0104 Available Price €0.40
Vertical Slide Switch 3P2T 50V 0.5A 6 DIP pins and 2 positions DPDT. This switch is widely used to control the operation of many small electronic power projects, including volume and other controls for audio video, dimmer controls for lights.It is also a great component for DIY. Vertical Slide Switch 3P2T 50V 0.5A features: - Type: 3P2T- Contact resistance: 30 MΩ max.- Insulation resistance: 100 MΩ- Maximum operating voltage: 50V- Maximum operating current: 0.5A- Can support 500 VAC for 1 minute- Step between pins: 2.54mm / 0.1 "- Pin size: 4.5x0.5x15 / 0.77 "x0.19"- Type of current: DC- Pins to be welded- Switch action: 2 ON / OFF positions- Shape of interrupter: rectangular- Size: 16x6.5x15 / 0.2 "x0.02" Code K0188 Available Price €0.40
5x Push Switch Button B3F Omron Blue Key 12mm 5x Push Switch Button B3F Omron Blue Key 12mm features:- 5x Push Buttons B3F Omron Key- Maximum current: 50 mA- Tension DC: 24V- Operating force: 1.27N- Switch terminals: weldable- Contact: SPST-NO- Contact resistance: 100M Ohm- Type of action: Superficial- Measures: 12x12x7.3mm Code K0074 Available Price €0.17
Momentary Switch Push Button Black N/O 7mm Momentary Switch Push Button Black N/O 7mm features: - Momentary pushbutton N/O (normally open)- Black button- Dimensions approx. 7 mm x 27 mm- Recessed with nut and washer- Load current (supported): 1A to 230V / 2A to 125V- Drill to embed: 7 mm +/- 0.2- Operating temperature: -55ºC to + 85ºC Code K0157 Available Price €0.37
12V On/Off LED Pushbutton Green 16mm N/A NO Characteristic:- For panel N / A NO 2A 36V Stainless Steel on / off- Type of operation: On / Off- Contact switch: 1 NA (normally open)- Max Switch Classification: 2A / 12VDC- Body material: Stainless steel- Button Material: Stainless steel- Protection Classification: IP67 / IK08- Operating temperature: -20C + 55C- Color: Green Code K0193 Last items in stock Price €4.87
Limit Switch with Wheel - 5A 250 Vac - 1 switched - Arduino compatible Limit Switch with Wheel - 5A 250 Vac - 1 switched - Arduino features: -Micro KW12-3 on / off switch -Max Current: 5A -AC voltage: 125-250V -Operating temperature: -40 to 70 degrees C -Quantity: 2 units Code K0018 Available Price €0.49
12V Momentary LED Push button Red 16mm N/A NO 12V Momentary LED Pushbutton Red 16mm N/A NO features:- Type of operation: momentary (automatic return)- Contact switch: 1 NA (normally open)- Max Switch Classification: 2A / 12VDC- Body material: Stainless steel- Button Material: Stainless steel- Protection Classification: IP67 / IK08- Operating temperature: -20C + 55C- Color: Red Code K0191 Available Price €4.87
12V On/Off LED Pushbutton Blue 16mm N/A NO Characteristic:- For panel N / A NO 2A 36V Stainless Steel on / off- Type of operation: On / Off- Contact switch: 1 NA (normally open)- Max Switch Classification: 2A / 12VDC- Body material: Stainless steel- Button Material: Stainless steel- Protection Classification: IP67 / IK08- Operating temperature: -20C + 55C- Color: Blue Code K0192 Available Price €4.87
Rocker switch KCD4 Momentary 15A 250V Double (ON)-OFF-(ON) The AC 250V 15A 6-pin rocker switch type DPDT (On/Off/On) Code K0403 Available Price €1.61
12V Momentary LED Pushbutton Blue 16mm N/A NO 12V Momentary LED Pushbutton Blue 16mm N/A NO features:- Type of operation: momentary (automatic return)- Contact switch: 1 NA (normally open)- Max Switch Classification: 2A / 12VDC- Body material: Stainless steel- Button Material: Stainless steel- Protection Classification: IP67 / IK08- Operating temperature: -20C + 55C- Color: Blue Code K0099 Available Price €4.87
Vertical Slide Switch 2P2T 50V 0.5A 6 DIP pins and 2 positions DPDT. This switch is widely used to control the operation of many small electronic power projects, including volume and other controls for audio video, dimmer controls for lights.It is also a great component for DIY. Vertical Slide Switch 2P2T 50V 0.5A features: - Type: 2P2T- Contact resistance: 30 MΩ max.- Insulation resistance: 100 MΩ- Maximum operating voltage: 50V- Maximum operating current: 0.5A- Can support 500 VAC for 1 minute- Step between pins: 2.54mm / 0.1 "- Pin size: 4.5x0.5x15 / 0.77 "x0.19"- Type of current: DC- Pins to be welded- Switch action: 2 ON / OFF positions- Shape of interrupter: rectangular- Size: 16x6.5x15 / 0.2 "x0.02" Code K0104 Available Price €0.40
Vertical Slide Switch 3P2T 50V 0.5A 6 DIP pins and 2 positions DPDT. This switch is widely used to control the operation of many small electronic power projects, including volume and other controls for audio video, dimmer controls for lights.It is also a great component for DIY. Vertical Slide Switch 3P2T 50V 0.5A features: - Type: 3P2T- Contact resistance: 30 MΩ max.- Insulation resistance: 100 MΩ- Maximum operating voltage: 50V- Maximum operating current: 0.5A- Can support 500 VAC for 1 minute- Step between pins: 2.54mm / 0.1 "- Pin size: 4.5x0.5x15 / 0.77 "x0.19"- Type of current: DC- Pins to be welded- Switch action: 2 ON / OFF positions- Shape of interrupter: rectangular- Size: 16x6.5x15 / 0.2 "x0.02" Code K0188 Available Price €0.40
5x Push Switch Button B3F Omron Blue Key 12mm 5x Push Switch Button B3F Omron Blue Key 12mm features:- 5x Push Buttons B3F Omron Key- Maximum current: 50 mA- Tension DC: 24V- Operating force: 1.27N- Switch terminals: weldable- Contact: SPST-NO- Contact resistance: 100M Ohm- Type of action: Superficial- Measures: 12x12x7.3mm Code K0074 Available Price €0.17
Momentary Switch Push Button Black N/O 7mm Momentary Switch Push Button Black N/O 7mm features: - Momentary pushbutton N/O (normally open)- Black button- Dimensions approx. 7 mm x 27 mm- Recessed with nut and washer- Load current (supported): 1A to 230V / 2A to 125V- Drill to embed: 7 mm +/- 0.2- Operating temperature: -55ºC to + 85ºC Code K0157 Available Price €0.37