{"title":"SparkFun","description":null,"products":[{"product_id":"copper-tape","title":"Copper Tape - With Conductive Adhesive, 5mm (15m)","description":"\u003cp\u003e\u003cspan\u003eFlat copper tape with conductive adhesive that is ideal for creating prototype circuits. Tape is 5mm wide by 0.035mm thick. The tape is supplied in 15m lengths.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThis copper tape is 5mm wide and comes in a roll of 15m that is backed by a conductive adhesive making it the perfect choice for any projects that require precision.\u003c\/p\u003e\n\u003cp\u003eCopper tape has numerous different applications within electronics. This tape can be used for creating low profile traces for components, as RF shielding and for making antennas. It can also be used to join things together using solder, such as the glass in a Tiffany lamp.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConductive Adhesive.\u003c\/li\u003e\n\u003cli\u003e5mm wide.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eContents:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Roll of 5 mm Copper Track Tape with Conductive Adhesive\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLength: 15m.\u003c\/li\u003e\n\u003cli\u003eWidth: 5mm.\u003c\/li\u003e\n\u003cli\u003eThickness: 0.085mm.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SparkFun","offers":[{"title":"Default Title","offer_id":25214540680,"sku":"PRT-13827","price":45.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0214\/4060\/products\/2477_large_copper_tape_conductive_adhesive.jpg?v=1474630558"},{"product_id":"conductive-ribbon","title":"Conductive ribbon","description":"\u003cp\u003eA great addition to any wearable electronic project, this easy to use conductive ribbon has three separate conductive strands woven into it, allowing you to transmit power, ground and signal.\u003c\/p\u003e\n\u003cp\u003eYou can solder it provided you don't have the soldering iron too hot, and it is quite flexible and durable.\u003c\/p\u003e\n\u003cp\u003eIt has very little (negligible) resistance and is made of 68% stranded tinsel wire and 32% polyester.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFlexible conductive ribbon.\u003c\/li\u003e\n\u003cli\u003e3 separate conductive strands.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eContents:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Length Conductive Ribbon.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLength: 900mm (approx).\u003c\/li\u003e\n\u003cli\u003eWidth: 5mm (approx).\u003c\/li\u003e\n\u003cli\u003eThickness: 0.7mm (approx).\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SparkFun","offers":[{"title":"Default Title","offer_id":26559781192,"sku":"DEV-10172","price":72.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0214\/4060\/products\/2739_large_conductive_ribbon.jpg?v=1477072538"},{"product_id":"copper-tape-with-conductive-adhesive-50mm-15m","title":"Copper Tape - With Conductive Adhesive , 50mm (15m) b","description":"\u003cp\u003eThis copper tape is a whopping 50 mm wide and comes in a roll of 15 meters that is backed with a conductive adhesive.\u003c\/p\u003e\n\u003cp\u003eCopper tape has numerous different applications within electronics. This tape can be used for creating low profile traces for components, such as RF shielding and for making antennas. It can also be used to join things together using solder, such as the glass in a Tiffany lamp.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConductive Adhesive.\u003c\/li\u003e\n\u003cli\u003e50mm \/ 2 inches wide.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eContents:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 x 15 meter roll of 50 mm Copper Track Tape with Conductive Adhesive.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLength: 15 meters.\u003c\/li\u003e\n\u003cli\u003eWidth: 50mm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eResources:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca title=\"2477_technical_data_sheet_of_copper_foil_tape datasheet\" href=\"https:\/\/www.kitronik.co.uk\/pdf\/2477_technical_data_sheet_copper_foil_tape.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDatasheet\u003c\/a\u003e.\u003cimg src=\"https:\/\/www.kitronik.co.uk\/pdf\/pdf_icon.gif\" alt=\"pdf_icon.gif\" width=\"25\" height=\"24\"\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca title=\"2477_msds_copper_foil_tape\" href=\"https:\/\/www.kitronik.co.uk\/pdf\/2477_msds_copper_foil_tape.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eMaterials Safety Datasheet\u003c\/a\u003e.\u003cimg src=\"https:\/\/www.kitronik.co.uk\/pdf\/pdf_icon.gif\" alt=\"pdf_icon.gif\" width=\"25\" height=\"24\"\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"SparkFun","offers":[{"title":"Default Title","offer_id":33317376392,"sku":"PRT-13828","price":155.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0214\/4060\/products\/2479-large-2-inch-copper-tape-conductive-adhesive-50-foot-roll.jpg?v=1491059704"},{"product_id":"sparkfun-weather-bit","title":"SparkFun Weather:bit","description":"\u003ch2\u003eMeasure \u003cspan\u003ebarometric pressure, relative humidity and temperature readings, wind speed, direction, rain gauge and soil readings for the BBC micro:bit\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-sm-6\"\u003e\n\u003cp\u003eThe SparkFun weather:bit is a fully loaded “carrier” board for the micro:bit that, when combined with the micro:bit, provides you with a fully functional weather station. With the weather:bit you will have access to barometric pressure, relative humidity and temperature readings. There are also connections on this carrier board to optional sensors such as wind speed, direction, rain gauge and soil readings! The micro:bit has a lot of features and a lot of potential for weather data collection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-sm-6\"\u003e\n\u003cp\u003e\u003ciframe width=\"300\" height=\"168.75\" src=\"https:\/\/www.youtube.com\/embed\/APcshxydBYI\" frameborder=\"0\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe weather:bit connects to the micro:bit via an edge connector at the top of the board, making setup easy. This creates a handy way to swap out micro:bits for programming, while still providing reliable connections to all of the different pins on the micro:bit. We have also included serial and I2C ports on the weather:bit for optimized connectivity if you so choose.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eOnboard temperature, humidity, pressure and light sensor\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eConnectors for soil moisture and soil temperature\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eConnectors for wind speed, direction and rainfall gauges\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEdge connector for easy micro:bit integration\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eExperiment guides\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/learn.sparkfun.com\/tutorials\/microclimate-kit-experiment-guide\/about-the-weatherbit\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eAbout the weather:bit\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/learn.sparkfun.com\/tutorials\/microclimate-kit-experiment-guide\/installing-the-weatherbit-package-in-makecode\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eInstalling the weather\"bit package in MakeCode\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-sm-6\"\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/learn.sparkfun.com\/tutorials\/microclimate-kit-experiment-guide\/experiment-1-reading-the-temperature-humidity-and-pressure\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eExperiment 1: Reading the Temperature, Humidity and Pressure\u003c\/a\u003e\u003cbr\u003e \u003ciframe width=\"300\" height=\"168.75\" src=\"https:\/\/www.youtube.com\/embed\/oW3E5AJUJ7Y\" frameborder=\"0\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-sm-6\"\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/learn.sparkfun.com\/tutorials\/microclimate-kit-experiment-guide\/experiment-2-reading-the-light-level\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eExperiment 2: Reading the Light Level\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"300\" height=\"168.75\" src=\"https:\/\/www.youtube.com\/embed\/01kFm0M2S9A\" frameborder=\"0\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-sm-6\"\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/learn.sparkfun.com\/tutorials\/microclimate-kit-experiment-guide\/experiment-3-reading-the-soil-moisture\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eExperiment 3: Reading the Soil Moisture\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"300\" height=\"168.75\" src=\"https:\/\/www.youtube.com\/embed\/Lg0xzEryT4E\" frameborder=\"0\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-sm-6\"\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/learn.sparkfun.com\/tutorials\/microclimate-kit-experiment-guide\/experiment-4-reading-the-soil-temperature\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eExperiment 4: Reading the Soil Temperature\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003ciframe width=\"300\" height=\"168.75\" src=\"https:\/\/www.youtube.com\/embed\/AcU1H5NyA8Q\" frameborder=\"0\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eExperiment 7\u003c\/p\u003e\n\u003ch2\u003e\u003ca href=\"https:\/\/learn.sparkfun.com\/tutorials\/microclimate-kit-experiment-guide\/experiment-7-logging-to-the-microsd-card\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eExperiment 7: Logging to the MicroSD Card\u003c\/a\u003e\u003c\/h2\u003e\n\u003ch3\u003eIntroduction\u003c\/h3\u003e\n\u003cp\u003eWe are almost done with our whirlwind series of weather experiments. In this final experiment we will look at how to log all of this amazing weather data to a microSD card using the \u003ca href=\"https:\/\/www.etchkshop.com\/collections\/bbc-micro-bit\/products\/sparkfun-openlog\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOpenLog.\u003c\/a\u003e    ..... \u003ca href=\"https:\/\/learn.sparkfun.com\/tutorials\/microclimate-kit-experiment-guide\/experiment-7-logging-to-the-microsd-card\" target=\"_blank\" rel=\"noopener noreferrer\"\u003emore \u003c\/a\u003e\u003c\/p\u003e","brand":"SparkFun","offers":[{"title":"Default Title","offer_id":1578240245790,"sku":"DEV-15837","price":147.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0214\/4060\/products\/14214-01.jpg?v=1506596506"},{"product_id":"sparkfun-soil-moisture-sensor-with-screw-terminals","title":"SparkFun Soil Moisture Sensor (with Screw Terminals)","description":"\u003ch2\u003eThe SparkFun Soil Moisture Sensor is a simple breakout for measuring the moisture in soil and similar materials.\u003c\/h2\u003e\n\u003cp\u003eThe soil moisture sensor is pretty straightforward to use. The two large, exposed pads function as probes for the sensor, together acting as a variable resistor. The more water that is in the soil means the better the conductivity between the pads will be, resulting in a lower resistance and a higher SIG out. This version of the Soil Moisture Sensor includes a 3-pin screw pin terminal pre-soldered to the board for easy wiring and setup.\u003c\/p\u003e\n\u003cp\u003eTo get the SparkFun Soil Moisture Sensor functioning, all you will need is to connect the VCC and GND pins to your micro:bit or  Arduino-based device (or compatible development board). You will receive a SIG out, which will depend on the amount of water in the soil. One commonly known issue with soil moisture senors is their short lifespan when exposed to a moist environment. To combat this, we’ve had the PCB coated in gold finishing (ENIG, or Electroless Nickel Immersion Gold).\u003c\/p\u003e\n\u003cp\u003eNote: Check the Hookup Guide below for assembly and weatherproofing instructions, as well as a simple example project that you can put together yourself!\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/learn.sparkfun.com\/tutorials\/soil-moisture-sensor-hookup-guide?_ga=2.91321690.1711993951.1506591009-1054668848.1501639327\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e Getting Started with the Soil Moisture sensor guide\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"300\" height=\"168.75\" src=\"https:\/\/www.youtube.com\/embed\/1h6D_pkeoks\" frameborder=\"0\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"SparkFun","offers":[{"title":"Default Title","offer_id":1579780177950,"sku":"SEN-13637","price":60.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0214\/4060\/products\/13637-Action.jpg?v=1506595842"},{"product_id":"jumper-wires-premium-6-m-m-pack-of-10","title":"Jumper Wires Premium 6\" M\/M Pack of 10","description":"\u003cp\u003eThese are 155mm long jumpers with male connectors on both ends.\u003c\/p\u003e\n\u003cp\u003eUse these to jumper from any female header on any board, to any other female header. Combine these with our female to female jumpers to create a male to female jumper. Multiple jumpers can be installed next to one another on a 0.1\" header. Comes as 1 package of ten jumpers (colors shown).\u003c\/p\u003e","brand":"SparkFun","offers":[{"title":"Default Title","offer_id":7469543817246,"sku":"PRT-08431","price":32.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0214\/4060\/products\/JumperWire-Male-01-L.jpg?v=1518319826"},{"product_id":"jumper-wires-premium-6-m-m-pack-of-100","title":"Jumper Wires Premium 6\" M\/M Pack of 100","description":"\u003cp\u003eThese are jumpers terminated as male to male.\u003c\/p\u003e\n\u003cp\u003eUse these to jumper from any female header on any board, to any other female header. Multiple jumpers can be installed next to one another on a 0.1\" header. Comes as 1 package of one hundred jumpers (colors shown).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe pictures for this item show only 10 jumpers but this is a pack of 100 male to male jumpers. To give you an idea of what 100 of these jumpers looks like there is also a picture of 100 male to female jumpers, but again these are male to male. Pictures will be updated as soon as possible.\u003c\/p\u003e","brand":"SparkFun","offers":[{"title":"Default Title","offer_id":7469551681566,"sku":"PRT-10897","price":240.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0214\/4060\/products\/10897-01.jpg?v=1518320019"},{"product_id":"jumper-wires-premium-6-m-f-pack-of-10","title":"Jumper Wires Premium 6\" M\/F Pack of 10","description":"\u003cp\u003e\u003cspan\u003eThese are 155mm long jumpers terminated as male to female. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUse these to jumper from any male or female header on any board. Multiple jumpers can be installed next to one another on a 0.1\" header. Comes as 1 package of ten jumpers (colors shown)\u003c\/span\u003e\u003c\/p\u003e","brand":"SparkFun","offers":[{"title":"Default Title","offer_id":7469567115294,"sku":"PRT-09140","price":32.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0214\/4060\/products\/09140-03-L.jpg?v=1518320327"},{"product_id":"jumper-wires-premium-6-m-f-pack-of-100","title":"Jumper Wires Premium 6\" M\/F Pack of 100","description":"\u003cp\u003e\u003cspan\u003eThese are jumpers terminated as male to female. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUse these to jumper from any male or female header on any board. Multiple jumpers can be installed next to one another on a 0.1\" header. Comes in five packs of twenty jumpers (colors shown).\u003c\/span\u003e\u003c\/p\u003e","brand":"SparkFun","offers":[{"title":"Default Title","offer_id":7469581860894,"sku":"PRT-09139","price":240.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0214\/4060\/products\/09139-01-L.jpg?v=1518320593"},{"product_id":"jumper-wires-premium-6-f-f-pack-of-100","title":"Jumper Wires Premium 6\" F\/F Pack of 100","description":"\u003cp\u003e\u003cspan\u003eThese are jumpers terminated as female to female. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUse these to jumper from any male header on any board, to any other male header. Multiple jumpers can be installed next to one another on a 0.1\" header. Comes as 1 package of one hundred jumpers (colors shown).\u003c\/span\u003e\u003c\/p\u003e","brand":"SparkFun","offers":[{"title":"Default Title","offer_id":8036900175902,"sku":"PRT-10898","price":240.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0214\/4060\/products\/10898-01.jpg?v=1524061150"},{"product_id":"jumper-wires-premium-6-f-f-pack-of-10","title":"Jumper Wires Premium 6\" F\/F Pack of 10","description":"\u003cp\u003e\u003cspan\u003eThis is a SparkFun exclusive! \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThese are 155mm long jumpers with female connectors on both ends. Use these to jumper from any male header on any board, to any other male header. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCombine these with our male to male jumpers to create a male to female jumper. Multiple jumpers can be installed next to one another on a 0.1\" header. Comes as 1 package of ten jumpers (colors shown).\u003c\/span\u003e\u003c\/p\u003e","brand":"SparkFun","offers":[{"title":"Default Title","offer_id":8036901715998,"sku":"PRT-08430","price":32.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0214\/4060\/products\/JumperWire-Female-01-L.jpg?v=1524061357"},{"product_id":"ultrasonic-sensor-hc-sr04","title":"Ultrasonic Sensor - HC-SR04, 5V","description":"\u003cp\u003eThis is the HC-SR04 ultrasonic ranging sensor.\u003c\/p\u003e\n\u003cp\u003eThis economical sensor provides 2cm to 400cm of non-contact measurement functionality with a ranging accuracy that can reach up to 3mm. Each HC-SR04 module includes an ultrasonic transmitter, a receiver and a control circuit.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOperating Voltage: 5V DC\u003c\/li\u003e\n\u003cli\u003eOperating Current: 15mA\u003c\/li\u003e\n\u003cli\u003eMeasure Angle: 15°\u003c\/li\u003e\n\u003cli\u003eRanging Distance: 2cm - 4m\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/WUJlxMiVHx8\" height=\"315\" width=\"560\" allowfullscreen=\"\" allow=\"autoplay; encrypted-media\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003eThere are only four pins that you need to worry about on the HC-SR04: VCC (Power), Trig (Trigger), Echo (Receive), and GND (Ground). You will find this sensor very easy to set up and use for your next range-finding project!  \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eDocumentation\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.sparkfun.com\/datasheets\/Sensors\/Proximity\/HCSR04.pdf\"\u003eDatasheet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"http:\/\/www.instructables.com\/id\/Simple-Arduino-and-HC-SR04-Example\/?ALLSTEPS\"\u003eExample Tutorial\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/sparkfun\/HC-SR04_UltrasonicSensor\"\u003eGitHub\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SparkFun","offers":[{"title":"Default Title","offer_id":8036902502430,"sku":"SEN-13959","price":15.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0214\/4060\/products\/13959-01a.jpg?v=1524061781"},{"product_id":"4-x-aa-battery-cage-with-lead-and-2-1mm-dc-jack","title":"4 x AA Battery Cage with Lead and 2.1mm DC jack","description":"\u003cp\u003eThis is a simple 4 cell AA battery holder. The 5 inch cable is terminated with a standard 5.5x2.1mm, center positive barrel jack connector.\u003c\/p\u003e\n\u003cp\u003eThe connector mates with the barrel jack on the\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"http:\/\/www.sparkfun.com\/commerce\/product_info.php?products_id=666\"\u003eArduino\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003e(among a number of other products) allowing you to easily make your project battery powered.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ethe average voltage regulator has about 1V of dropout (but can vary greatly). This pack, with normal alkaline batteries, will output ~5.5V causing a normal 5V board to run at around 4 to 4.5V. This depends a lot of what board and processor you are using with the battery pack. Please consult your datasheet.\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"SparkFun","offers":[{"title":"Default Title","offer_id":42853085708545,"sku":"PRT-09835","price":24.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0214\/4060\/products\/09835-01a_837c7975-dbff-42f7-9c5d-21201cbc8026.jpg?v=1652852570"},{"product_id":"qwiic-to-gravity-cable-jst-sh-to-jst-ph-200mm-28-awg","title":"Qwiic to Gravity Cable - JST-SH to JST-PH (200mm, 28 AWG)","description":"\u003cp\u003e\u003cspan\u003eThis is a 200mm long 4-conductor cable with a Qwiic termination on one end and a Huskylens Gravity termination on the other.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe Qwiic to Gravity Adapter Cable \u003cstrong\u003eallows interoperability between the SparkFun Qwiic Connect System and the I\u003csup\u003e2\u003c\/sup\u003eC based Gravity: Huskylens board from DFRobot\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis is a 200mm long 4-conductor cable with a Qwiic termination on one end and a Gravity termination on the other.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eSpecification:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLength: 200mm\u003c\/li\u003e\n\u003cli\u003eGauge: 28AWG\u003c\/li\u003e\n\u003cli\u003eConnector Types: JST-SH, JST-PH\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SparkFun","offers":[{"title":"Default Title","offer_id":46291896992001,"sku":"","price":20.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0214\/4060\/files\/28768-Qwiic-to-Gravity-Cable-Feature.jpg?v=1747203320"}],"url":"https:\/\/www.etchkshop.com\/collections\/sparkfun\/sensors-inputs-outputs.oembed","provider":"ETC Educational Technology Connection (HK) Ltd","version":"1.0","type":"link"}