{"title":"Power","description":"\u003cp\u003eBrowse our Power collection. Hot Sale.\u003c\/p\u003e","products":[{"product_id":"inductive-charging-set-5v-500ma-max","title":"Inductive Charging Set - 5V @ 500mA max","description":"\u003cp\u003e\u003cstrong\u003eThis Inductive Power Transfer Module lets you deliver power wirelessly across a small gap, making it a neat solution for enclosed projects, rotating assemblies, and applications where a direct wired connection isn't practical.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eThe squarish board with two chips on it is the transmitter (\u003cstrong\u003epower with 9V\u003c\/strong\u003e).  The longer board is the output and you can connect that to the part of your project that needs powering.\u003c\/p\u003e\n\u003cp\u003eInductive charging is a way of powering a device without a direct wire connection. Most people have seen inductive charging in a rechargeable electric toothbrush: you may have noticed that you recharge it by placing it into the holder, but there's no direct plug. These chargers work by taking a power transformer and splitting it in half, an AC waveform is generated into one, and couples into the second coil.\u003c\/p\u003e\n\u003cp\u003eThis is a basic charger set, and it does work, providing\u003cstrong\u003e 5V DC output \u003c\/strong\u003efrom the output half when the input half is powered with \u003cstrong\u003e9V to 12VDC\u003c\/strong\u003e. You can draw as much as ~500mA if the coils are 2 or 3 mm apart. If you only need \u003cstrong\u003e100 or 200mA \u003c\/strong\u003eyou can be up 7mm apart. For 10mA draw, the coils can be up to half an inch (12.5mm) apart. Any non-ferrous\/non-conductive material (e.g. air, wood, leather, plastic, paper, glass) can be used between the two coils. The material doesn't affect the distance or efficiency. The coils do need to be fairly co-axial, try to get them to be parallel and have the circles line up for best power-transfer. (This is why the electric toothbrush must fit into the plastic holder, it's lining up the two coils for best efficiency).\u003c\/p\u003e\n\u003cp\u003eBecause its an air-core transformer, it's fairly inefficient. Only about \u003cstrong\u003e40%\u003c\/strong\u003e of the energy in shows up on the other end, but for low power or charging project. If you draw 5V 100mA on the output side (0.5W), you'll need 0.5W * 2.5 \/ 9V = ~150mA from the input end. The quiescent current is about 70mA at all time, even when the other coil is not anywhere near by.\u003c\/p\u003e\n\u003cp\u003eThese are basic modules, probably used for some low cost toy. We don't have any datasheets or specifications for them. We do see a feedback resistor divider on the output side using 0603 SMT resistors so an advanced user could solder in different values to turn it into a 3.3V output.\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wHwICLPeRFs?si=ejbO9-5yG86JH0bK\u0026amp;start=559\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eInductive wireless charging set with transmitter and receiver coils\u003c\/li\u003e\n\u003cli\u003eInput: 9V to 12V DC (transmitter board with 9V power connector)\u003c\/li\u003e\n\u003cli\u003eOutput: 5V DC from receiver board\u003c\/li\u003e\n\u003cli\u003eMaximum output current: ~500mA at 2-3mm coil separation\u003c\/li\u003e\n\u003cli\u003e100-200mA output available at up to 7mm separation\u003c\/li\u003e\n\u003cli\u003e10mA output possible at up to 12.5mm separation\u003c\/li\u003e\n\u003cli\u003eWorks through non-conductive materials (plastic, wood, leather, paper, glass, air)\u003c\/li\u003e\n\u003cli\u003eApproximately 40% power efficiency\u003c\/li\u003e\n\u003cli\u003eQuiescent current draw: ~70mA on input side\u003c\/li\u003e\n\u003cli\u003eCoils must be parallel and co-axial for optimal power transfer\u003c\/li\u003e\n\u003cli\u003eModifiable output voltage with soldered SMT resistor adjustments\u003c\/li\u003e\n\u003cli\u003eNo ferrous or conductive materials between coils\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCoil thickness: 1.75mm\u003c\/li\u003e\n\u003cli\u003ePCB thickness (at tallest point): 3mm\u003c\/li\u003e\n\u003cli\u003eReceiver weight: 5.5g\u003c\/li\u003e\n\u003cli\u003eTransmitter weight 5.7g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eResources\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDiagram\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x Inductive Charging Set - 5V @ 500mA max\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Adafruit","offers":[{"title":"Default Title","offer_id":53957694587064,"sku":"zgr1787257013498","price":7.2,"currency_code":"BOB","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/2691\/3720\/files\/inductive-charging-set---5v-500ma-max_1.jpg?v=1787257022"},{"product_id":"inductive-charging-set-33v-500ma-max","title":"Inductive Charging Set - 3.3V @ 500mA max","description":"\u003cp\u003e\u003cstrong\u003eThis 3.3V Inductive Power Transfer Module lets you deliver power wirelessly across a small gap, making it a neat option for enclosed devices, charging projects, and applications where a direct wired connection isn't practical.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eThe squarish board with two chips on it is the transmitter (\u003cstrong\u003epower with 9V\u003c\/strong\u003e).  The longer board is the output and you can connect that to the part of your project that needs powering.\u003c\/p\u003e\n\u003cp\u003eInductive charging is a way of powering a device without a direct wire connection. Most people have seen inductive charging in a rechargeable electric toothbrush: you may have noticed that you recharge it by placing it into the holder, but there's no direct plug. These chargers work by taking a power transformer and splitting it in half, an AC waveform is generated into one, and couples into the second coil.\u003c\/p\u003e\n\u003cp\u003eThis is a basic charger set, and it does work, providing \u003cstrong\u003e3.3V DC\u003c\/strong\u003e output from the output half when the input half is powered with 9V to 12VDC. You can draw as much as 500mA if the coils are 2 or 3 mm apart. If you only need \u003cstrong\u003e100 or 200mA\u003c\/strong\u003e you can be up 7mm apart. For 10mA draw, the coils can be up to half an inch (12.5mm) apart. Any non-ferrous\/non-conductive material (e.g. air, wood, leather, plastic, paper, glass) can be used between the two coils. The material doesn't affect the distance or efficiency. The coils do need to be fairly co-axial, try to get them to be parallel and have the circles line up for best power-transfer. (This is why the electric toothbrush must fit into the plastic holder, it's lining up the two coils for best efficiency.)\u003c\/p\u003e\n\u003cp\u003eBecause it's an air-core transformer, it's fairly inefficient. Only about \u003cstrong\u003e40%\u003c\/strong\u003e of the energy in shows up on the other end, but for low power or charging project. If you draw 5V 100mA on the output side (0.5W), you'll need 0.5W * 2.5 \/ 9V = ~150mA from the input end. The quiescent current is about 70mA at all time, even when the other coil is not anywhere near by.\u003c\/p\u003e\n\u003cp\u003eThese are basic modules, probably used for some low cost toy. We don't have any datasheets or specifications for them. We do see a feedback resistor divider on the output side using 0603 SMT resistors so an advanced user could solder in different values to turn it into a different valued output.\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/wHwICLPeRFs?si=OClj9kdL3sNqqddG\u0026amp;start=560\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eInductive charging transmitter and receiver coil set\u003c\/li\u003e\n\u003cli\u003eTransmitter board powered by 9V to 12V DC input\u003c\/li\u003e\n\u003cli\u003eOutput board provides 3.3V DC power\u003c\/li\u003e\n\u003cli\u003eMaximum 500mA output current at 2-3mm coil separation\u003c\/li\u003e\n\u003cli\u003eOperates at up to 7mm distance for 100-200mA draw\u003c\/li\u003e\n\u003cli\u003eWorks at 12.5mm separation for 10mA applications\u003c\/li\u003e\n\u003cli\u003eCompatible with non-conductive materials between coils (plastic, wood, paper, glass, leather)\u003c\/li\u003e\n\u003cli\u003eAir-core transformer design with approximately 40% efficiency\u003c\/li\u003e\n\u003cli\u003eQuiescent current draw of 70mA on input side\u003c\/li\u003e\n\u003cli\u003eRequires coils to be parallel and co-axial for optimal power transfer\u003c\/li\u003e\n\u003cli\u003eModifiable output voltage via feedback resistor divider (0603 SMT resistors)\u003c\/li\u003e\n\u003cli\u003eSuitable for low-power projects and wireless charging applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCoils are 38mm diameter\u003c\/li\u003e\n\u003cli\u003eReceiver weight: 5.5g\u003c\/li\u003e\n\u003cli\u003eTransmitter weight 5.7g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x Inductive Charging Set - 3.3V @ 500mA max\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Adafruit","offers":[{"title":"Default Title","offer_id":53957694619832,"sku":"osn1787257013402","price":7.1,"currency_code":"BOB","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/2691\/3720\/files\/inductive-charging-set---33v-500ma-max_1.jpg?v=1787257022"},{"product_id":"ubec-dcdc-step-down-buck-converter-5v-3a-10","title":"UBEC DC\/DC Step-Down (Buck) Converter - 5V @ 3A (±10%)","description":"\u003cp\u003eYour power supply problems just got SOLVED!\u003c\/p\u003e\n\u003cp\u003eThis little circuit board may look tiny but inside is a high-efficiency DC\/DC step-down converter that can accept \u003cstrong\u003e6-16V input\u003c\/strong\u003e and provide output up to \u003cstrong\u003e3A at 5V\u003c\/strong\u003e \u003cstrong\u003e(care: 10% tolerance!)\u003c\/strong\u003e without the need for any heat-sink or forced cooling (It does get a bit toasty at 3A though).\u003c\/p\u003e\n\u003ch2\u003eTolerance Considerations (important!)\u003c\/h2\u003e\n\u003cp\u003eThese low-cost regulators come with a wider tolerance than, say, some of our more premium Pololu regulators.\u003c\/p\u003e\n\u003cp\u003eWe've seen the voltage creep up to 5.35V at times, so to be safe we're advertising a 10% tolerance, which means \u003cstrong\u003ethis UBEC isn't ideal for microcontrollers and SBCs with tight input voltage tolerances\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFor example, the Raspberry Pi Model B is rated for a maximum input voltage of 5.25V, so this UBEC isn't suitable for that board. Sure you could try and it \u003cem\u003emight\u003c\/em\u003e be fine, but \u003cstrong\u003ewe will not be held responsible for damaging your board\u003c\/strong\u003e. Just...don't do it!\u003c\/p\u003e\n\u003cp\u003eYou could use this with a Raspberry Pi Pico though, as that board is rated to 5.5V. Many microcontrollers have nice wide voltage ranges.\u003c\/p\u003e\n\u003cp\u003eCheck your board's specs first before buying\/using!\u003c\/p\u003e\n\u003ch2\u003eWhat is a UBEC?\u003c\/h2\u003e\n\u003cp\u003eUBEC stands for \"universal battery eliminator circuit\" and this UBEC is designed to replace a 5V supply in RC planes and 'copters but it's also great for any kind of microcontroller or electronics project that runs off of 5V (see tolerance note above).\u003c\/p\u003e\n\u003ch2\u003eConnections\u003c\/h2\u003e\n\u003cp\u003eTo use, connect 6V up to 16V (recommended) to the IN-side wires (the bare wires) and 5V (see tolerance note above) will be generated on the OUT-side wires (the pin header).\u003c\/p\u003e\n\u003cp\u003eYou'll get 5V (±10%) regulated output from a higher voltage input. 3A output current, 5A peak - if you're trying to draw 3A you'll need to give it a little more than 6V though, 7V works well. The UBEC has built-in filter capacitors on the input and output, but it's a switching supply so it's a little noisy compared to a linear regulator.\u003c\/p\u003e\n\u003ch2\u003eResources\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat goes where?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBare wires = input\u003c\/li\u003e\n\u003cli\u003ePin header end = output\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDatasheet\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\nAdafruit pulled the heatshrink off of a similar one and found an MP2307 you can check the datasheet for conversion efficiency and other specifications. The version we sell comes with a 10% tolerance though.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"The Pi Hut","offers":[{"title":"Default Title","offer_id":53957694652600,"sku":"zjk1787257014210","price":5.74,"currency_code":"BOB","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/2691\/3720\/files\/ubec-dcdc-step-down-buck-converter---5v-3a-10_1.jpg?v=1787257022"},{"product_id":"jst-sh-4-pin-right-angle-connectors-10-pack-qwiic","title":"JST-SH 4-pin Right-Angle Connectors (10-pack) (Qwiic)","description":"\u003cp\u003eIf you're a DIY enthusiast who likes to \u003cem\u003emicro\u003c\/em\u003e-manage your project's connections, here is a 10-pack of some \u003cem\u003emicro\u003c\/em\u003e JST SH connectors! They're solid plastic with 4 x 1mm pitch through-hole mounting tabs. In an SMT line you can just paste over the through holes and the pads will solder in place.\u003c\/p\u003e\n\u003cp\u003eThis connector can be used with Qwiic boards and cables, to easily connect sensors and drivers from one board to the other. Match them up with the cables if you want to maintain compatibility (The cables are made symmetrically so don't worry about which side goes where!) When used with Qwiic the pins are:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eGround - Black wire on cables\u003c\/li\u003e\n\u003cli\u003e3.3VDC Power - Red wire on cables\u003c\/li\u003e\n\u003cli\u003eI2C SDA Data - Blue wire on cables\u003c\/li\u003e\n\u003cli\u003eI2C SCL Clock - Yellow wire on cables\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eFor more information about JST SH connectors, visit the JST website\u003c\/p\u003e\n\u003ch2\u003eTechnical Details\u003c\/h2\u003e\n\u003cdiv class=\"panel-collapse collapse in\" id=\"tab-technical-details-content\"\u003e\n\u003cul id=\"product-files\"\u003e\n\u003cli\u003eDiagram\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-2 col-md-3 col-sm-3 col-xs-4\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Adafruit","offers":[{"title":"Default Title","offer_id":53957868748984,"sku":"cci1787257957977","price":2.96,"currency_code":"BOB","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/2691\/3720\/files\/jst-sh-4-pin-right-angle-connectors-10-pack-qwiic_1.jpg?v=1787257966"},{"product_id":"multifunctional-usb-digital-tester-usb-a-and-c","title":"Multifunctional USB Digital Tester - USB A and C","description":"\u003cp\u003eWhile this may appear to be an electronic shuriken, it's actually a \u003cstrong\u003eMultifunctional USB Digital Tester\u003c\/strong\u003e! \u003c\/p\u003e\u003cp\u003eThis handy (pun intended?) tool can measure voltage, current, power, charge time, and other measurements for \u003cstrong\u003eUSB A, Micro B, and USB C\u003c\/strong\u003e! It features a colorful display that pops up when you plug in a power supply. Each click of the button gives you a different display and readout. A long press will reset the data for when it does Coulomb-counting (total power consumption). We like the simple display that comes up first with big Voltage and Current output, but you have lots of options.\u003c\/p\u003e\u003cp\u003eThere's 4 connectors so you can go from type A to C, type A to A or type C to C.\u003c\/p\u003e\u003cp\u003eWorks great with laptops, smartphones, tablets, what have you, it's perfect for testing any USB power setup but this model is a little nicer in that it is also good for USB C with its higher current and voltage capabilities - up to 32V and 5A!\u003c\/p\u003e\u003cp\u003eIf you're using this to test USB C be sure to get a cable with E-Mark power negotiation chips inside so you get the proper current and voltage out - many cheap USB C cables skip this part and won't work well for high-current\/voltage charging.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eTechnical Details\u003c\/h2\u003e\u003cdiv id=\"tab-technical-details-content\" class=\"panel-collapse collapse in\"\u003e \u003cul\u003e\n\u003cli\u003eTester Dimensions: approx 68 x 60mm \/ 2.6\" x 2.3\"\u003c\/li\u003e\n\u003cli\u003eVoltage Range: 3.6V~32V \u003c\/li\u003e\n\u003cli\u003eCurrent Range:  0~5.1A\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul id=\"product-files\"\u003e \u003c\/ul\u003e \u003c\/div\u003e","brand":"Adafruit","offers":[{"title":"Default Title","offer_id":53957868847288,"sku":"iut1787257959504","price":14.88,"currency_code":"BOB","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/2691\/3720\/files\/multifunctional-usb-digital-tester---usb-a-and-c_1.jpg?v=1787257967"},{"product_id":"10-bay-aaaaa-nimh-nicd-battery-charger-discontinued","title":"10 Bay AA\/AAA NiMH \u0026 NiCd Battery Charger [discontinued]","description":"\u003cp\u003eA 10 Port Battery Charger for AA and AAA NiMH (Ni-Mh Nickel–metal hydride) or NiCd (Nickel–cadmium) rechargeable batteries!\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003ePlease Note. The charger is \u003cu\u003eONLY\u003c\/u\u003e suitable for use with rechargeable NiMh or NiCD batteries\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003ePlease Note. The charger \u003cu\u003eONLY\u003c\/u\u003e comes with a UK \"Figure 8\" Type Power Cable 2m - C7 (UK). We have EU C7's and US C7's available separately.\u003c\/b\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e5 LEDs which shows the charging process\u003c\/li\u003e\n\u003cli\u003eCharge 2\/4\/6\/8\/10 batteries together at the same time\u003c\/li\u003e\n\u003cli\u003eCompatible with AA\/AAA Ni-MH\/Ni-Cd Batteries\u003c\/li\u003e\n\u003cli\u003eLow constant current charging technology\u003c\/li\u003e\n\u003cli\u003eEquipped with a power cable which makes it convenient when charging (UK)\u003c\/li\u003e\n\u003cli\u003eSize : 210*78*25mm\u003c\/li\u003e\n\u003cli\u003eCharging current: 180ma\u003c\/li\u003e\n\u003cli\u003eOutput : 2.4 V AA\/AAA 180mA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ModMyPi","offers":[{"title":"Default Title","offer_id":53957868912824,"sku":"uay1787257961060","price":15.11,"currency_code":"BOB","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/2691\/3720\/files\/10-bay-aaaaa-nimh-nicd-battery-charger-discontinued_1.jpg?v=1787257969"},{"product_id":"2w-solar-panel-80mm-x-180mm","title":"2W Solar Panel 80mm x 180mm","description":"\u003cp\u003e\u003cstrong\u003eThis 2W Solar Panel offers a compact and efficient way to harvest solar energy, making it well suited to portable electronics, battery charging, environmental monitoring, and other outdoor projects.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eMany people like solar energy because it is simple, clean, and renewable. Especially when you are building outdoor projects, solar energy is one of the best solutions for power supply. Depending on the project you are going to build, there are many different sizes of solar panels to choose, If you are looking for a portable solar panel, why not look at this \u003cstrong\u003eSmall Solar Panel 80x180mm 2W\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis solar panel is made of \u003cstrong\u003esingle-crystal material\u003c\/strong\u003e that performs high solar energy transformation efficiency at \u003cstrong\u003e17%\u003c\/strong\u003e. It has a fine \u003cstrong\u003eresin surface\u003c\/strong\u003e and sturdy back suitable for outdoor environments. 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