{"product_id":"wh148-b10k-potentiometer-15mm-shaft-3-pin-linear-taper","title":"WH148 B10K Potentiometer, 15mm Shaft, 3-Pin, Linear Taper","description":"\u003cstyle\u003e .nznpd{--o:#F57C00;--od:#E65100;--ink:#0F172A;--mut:#5b6573;--line:#E8ECF0;--soft:#F7F8FA;max-width:1120px;margin:0 auto;color:var(--ink);font-family:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;line-height:1.6} .nznpd,.nznpd *{box-sizing:border-box} .nznpd p{margin:0;color:var(--mut);font-size:15px;line-height:1.65} .nznpd strong{color:var(--ink)} .nznpd__intro{font-size:16px;color:var(--ink);font-weight:500;line-height:1.6} .nznpd__highlights{list-style:none;padding:0;margin:24px 0 0;display:grid;grid-template-columns:repeat(2,1fr);column-gap:36px} .nznpd__highlights li{display:flex;gap:11px;align-items:flex-start;font-size:14px;color:var(--ink);line-height:1.5;padding:12px 0;border-bottom:1px solid var(--line)} .nznpd__highlights li::before{content:'▸';flex:0 0 auto;color:var(--o);font-size:12px;line-height:1.75} .nznpd__highlights li:nth-last-child(-n+2){border-bottom:none} .nznpd__block{margin-top:36px;padding-top:30px;border-top:1px solid var(--line)} .nznpd__h{margin:0 0 24px;padding-bottom:10px;font-size:1.15rem;font-weight:800;letter-spacing:-.02em;color:var(--ink);display:flex;align-items:center;gap:10px} .nznpd__h::before{content:'';flex:0 0 auto;width:20px;height:3px;border-radius:2px;background:var(--o)} .nznpd__specs{border:2px solid var(--line);border-radius:12px;overflow:hidden} .nznpd__spec{display:grid;grid-template-columns:minmax(150px,.7fr) 1fr;gap:18px;padding:12px 16px;font-size:14px} .nznpd__spec:nth-child(odd){background:var(--soft)} .nznpd__spec span{color:var(--mut)} .nznpd__spec strong{font-weight:700} .nznpd__included{display:flex;gap:16px;align-items:center;border:2px solid var(--line);border-radius:16px;background:var(--soft);padding:18px 20px} .nznpd__qty{flex:0 0 auto;width:46px;height:46px;border-radius:12px;background:#FFF3E8;color:var(--o);font-weight:800;display:flex;align-items:center;justify-content:center} .nznpd__included strong{display:block;font-size:15px;margin-bottom:3px} .nznpd__uses{display:grid;grid-template-columns:repeat(2,1fr);gap:10px} .nznpd__use{padding:13px 14px;background:var(--soft);border-left:3px solid var(--o);border-radius:0 10px 10px 0;font-size:14px;color:var(--ink);line-height:1.4} .nznpd__qs{background:#FFF7EF;border:2px solid #FCE0C6;border-radius:16px;padding:22px} .nznpd__qs h3{margin:0 0 16px;font-size:12px;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:var(--od)} .nznpd__steps{list-style:none;counter-reset:s;padding:0;margin:0;display:grid;gap:14px} .nznpd__steps li{display:grid;grid-template-columns:27px 1fr;gap:12px} .nznpd__steps li::before{counter-increment:s;content:counter(s);width:27px;height:27px;border-radius:999px;background:#fff;border:2px solid #FCE0C6;color:var(--od);font-weight:800;font-size:13px;display:flex;align-items:center;justify-content:center} .nznpd__steps strong{display:block;font-size:14px} .nznpd__steps p{font-size:13px;margin-top:2px;line-height:1.45} .nznpd p.nznpd__note{margin-top:16px;background:var(--soft);border:2px solid var(--line);border-radius:12px;padding:14px 16px;font-size:13.5px;color:var(--mut);line-height:1.55} @media (max-width:999px){.nznpd{padding-left:16px;padding-right:16px}} @media (max-width:749px){.nznpd{padding-left:14px;padding-right:14px}.nznpd__intro{font-size:15.5px}.nznpd__highlights{grid-template-columns:1fr;margin-top:18px}.nznpd__highlights li:nth-last-child(2){border-bottom:1px solid var(--line)}.nznpd__uses{grid-template-columns:1fr}.nznpd__spec{grid-template-columns:1fr;gap:2px}.nznpd__h{margin-bottom:16px}} \u003c\/style\u003e \u003cdiv class=\"nznpd\"\u003e \u003cdiv class=\"nznpd__lead\"\u003e \u003cp class=\"nznpd__intro\"\u003eThe WH148 is a reliable, general-purpose \u003cstrong\u003e10kΩ (B10K) linear taper\u003c\/strong\u003e rotary potentiometer with a \u003cstrong\u003e15mm knurled 6mm shaft\u003c\/strong\u003e and a standard 3-pin layout. It is a drop-in fit for breadboards, panels and PCBs, and a go-to part for volume and tone controls, signal adjustment and Arduino or ESP32 analog input. A panel nut and washer are included for a clean, secure mount.\u003c\/p\u003e \u003cul class=\"nznpd__highlights\"\u003e \u003cli\u003e10kΩ resistance, linear (B) taper\u003c\/li\u003e \u003cli\u003eSmooth 300° rotation\u003c\/li\u003e \u003cli\u003e15mm knurled shaft, 6mm diameter\u003c\/li\u003e \u003cli\u003e3 solder pins, breadboard and panel friendly\u003c\/li\u003e \u003cli\u003ePanel nut and washer included\u003c\/li\u003e \u003cli\u003eRated to 50V DC, 0.05W\u003c\/li\u003e \u003cli\u003eFits most standard 6mm push-fit knobs\u003c\/li\u003e \u003cli\u003eIdeal for Arduino and ESP32 analog input\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003csection class=\"nznpd__block\"\u003e \u003ch3 class=\"nznpd__h\"\u003eSpecifications\u003c\/h3\u003e \u003cdiv class=\"nznpd__specs\"\u003e \u003cdiv class=\"nznpd__spec\"\u003e \u003cspan\u003eResistance\u003c\/span\u003e\u003cstrong\u003e10kΩ (B10K)\u003c\/strong\u003e \u003c\/div\u003e \u003cdiv class=\"nznpd__spec\"\u003e \u003cspan\u003eTaper\u003c\/span\u003e\u003cstrong\u003eLinear (B)\u003c\/strong\u003e \u003c\/div\u003e \u003cdiv class=\"nznpd__spec\"\u003e \u003cspan\u003eRotation angle\u003c\/span\u003e\u003cstrong\u003e300° ±10°\u003c\/strong\u003e \u003c\/div\u003e \u003cdiv class=\"nznpd__spec\"\u003e \u003cspan\u003eShaft\u003c\/span\u003e\u003cstrong\u003e15mm knurled, 6mm diameter\u003c\/strong\u003e \u003c\/div\u003e \u003cdiv class=\"nznpd__spec\"\u003e \u003cspan\u003eMounting\u003c\/span\u003e\u003cstrong\u003eThreaded bushing with nut and washer\u003c\/strong\u003e \u003c\/div\u003e \u003cdiv class=\"nznpd__spec\"\u003e \u003cspan\u003ePins\u003c\/span\u003e\u003cstrong\u003e3-pin (outer legs plus centre wiper)\u003c\/strong\u003e \u003c\/div\u003e \u003cdiv class=\"nznpd__spec\"\u003e \u003cspan\u003eRated power\u003c\/span\u003e\u003cstrong\u003e0.05W\u003c\/strong\u003e \u003c\/div\u003e \u003cdiv class=\"nznpd__spec\"\u003e \u003cspan\u003eMax operating voltage\u003c\/span\u003e\u003cstrong\u003e50V DC\u003c\/strong\u003e \u003c\/div\u003e \u003cdiv class=\"nznpd__spec\"\u003e \u003cspan\u003eInsulation resistance\u003c\/span\u003e\u003cstrong\u003e≥100MΩ at 250V DC\u003c\/strong\u003e \u003c\/div\u003e \u003cdiv class=\"nznpd__spec\"\u003e \u003cspan\u003eWithstand voltage\u003c\/span\u003e\u003cstrong\u003e250V AC for 1 minute\u003c\/strong\u003e \u003c\/div\u003e \u003cdiv class=\"nznpd__spec\"\u003e \u003cspan\u003eRotational noise\u003c\/span\u003e\u003cstrong\u003e\u0026lt;100mV\u003c\/strong\u003e \u003c\/div\u003e \u003cdiv class=\"nznpd__spec\"\u003e \u003cspan\u003eRotational life\u003c\/span\u003e\u003cstrong\u003e10,000 cycles\u003c\/strong\u003e \u003c\/div\u003e \u003cdiv class=\"nznpd__spec\"\u003e \u003cspan\u003eBody size\u003c\/span\u003e\u003cstrong\u003e~16 × 16 × 7.7mm\u003c\/strong\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"nznpd__block\"\u003e \u003ch3 class=\"nznpd__h\"\u003eWhat's in the box\u003c\/h3\u003e \u003cdiv class=\"nznpd__included\"\u003e \u003cdiv class=\"nznpd__qty\"\u003e1×\u003c\/div\u003e \u003cdiv\u003e \u003cstrong\u003eWH148 B10K 15mm potentiometer\u003c\/strong\u003e \u003cp\u003eSupplied with one panel mounting nut and one washer. Knob sold separately.\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"nznpd__block\"\u003e \u003ch3 class=\"nznpd__h\"\u003eGreat for\u003c\/h3\u003e \u003cdiv class=\"nznpd__uses\"\u003e \u003cdiv class=\"nznpd__use\"\u003eVolume, tone and balance controls\u003c\/div\u003e \u003cdiv class=\"nznpd__use\"\u003eArduino and ESP32 analog input\u003c\/div\u003e \u003cdiv class=\"nznpd__use\"\u003eMotor speed and PWM adjustment\u003c\/div\u003e \u003cdiv class=\"nznpd__use\"\u003eLED dimmer and brightness circuits\u003c\/div\u003e \u003cdiv class=\"nznpd__use\"\u003eBreadboard prototyping and testing\u003c\/div\u003e \u003cdiv class=\"nznpd__use\"\u003eGuitar and instrument controls\u003c\/div\u003e \u003c\/div\u003e \u003c\/section\u003e \u003csection class=\"nznpd__block\"\u003e \u003cdiv class=\"nznpd__qs\"\u003e \u003ch3\u003eWiring \u0026amp; getting started\u003c\/h3\u003e \u003col class=\"nznpd__steps\"\u003e \u003cli\u003e\u003cdiv\u003e \u003cstrong\u003eConnect the outer pins\u003c\/strong\u003e\u003cp\u003eWire pin 1 to your supply (VCC, 3.3-5V) and pin 3 to ground (GND). Swap these two if the direction of travel feels reversed.\u003c\/p\u003e \u003c\/div\u003e\u003c\/li\u003e \u003cli\u003e\u003cdiv\u003e \u003cstrong\u003eTake the wiper output\u003c\/strong\u003e\u003cp\u003ePin 2, the centre wiper, is your output. Send it to a microcontroller analog input (ADC) or the point you want to control.\u003c\/p\u003e \u003c\/div\u003e\u003c\/li\u003e \u003cli\u003e\u003cdiv\u003e \u003cstrong\u003eRead the value\u003c\/strong\u003e\u003cp\u003eOn Arduino, analogRead() on the wiper pin gives 0 to 1023 across the full sweep. On ESP32 use analogRead() on an ADC pin.\u003c\/p\u003e \u003c\/div\u003e\u003c\/li\u003e \u003cli\u003e\u003cdiv\u003e \u003cstrong\u003eMount it cleanly\u003c\/strong\u003e\u003cp\u003ePush the shaft through a panel hole, fit the washer and tighten the nut. The knurled 6mm shaft accepts most push-fit and set-screw knobs.\u003c\/p\u003e \u003c\/div\u003e\u003c\/li\u003e \u003c\/ol\u003e \u003c\/div\u003e \u003c\/section\u003e \u003cp class=\"nznpd__note\"\u003e\u003cstrong\u003eGood to know:\u003c\/strong\u003e This is a linear (B) taper pot, so resistance changes at a steady rate across the sweep. For audio volume where you want finer control at low levels, an A (log) taper is the better choice. Packed and dispatched from our Te Awamutu stock.\u003c\/p\u003e \u003c\/div\u003e","brand":"NZN Electronics","offers":[{"title":"Default Title","offer_id":42709873459296,"sku":"POT-WH148-B10K-15MM","price":1.29,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/6127\/0112\/files\/WH148-15mm-Potentiometer.png?v=1784898469","url":"https:\/\/www.nznelectronics.co.nz\/products\/wh148-b10k-potentiometer-15mm-shaft-3-pin-linear-taper","provider":"NZN Electronics","version":"1.0","type":"link"}