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Showing 1-20 of 56 products · 44 unavailable products hidden
Gravity: Analog Spear Tip pH Sensor / Meter Kit (for Soil and Food Applications)
The Gravity Spear Tip pH Sensor Kit is designed for measuring the pH of semi-solid materials such as wet soil, fruit, meat, and vegetables. The stainless steel spear tip protects the glass electrode and allows the probe to be pushed directly into soft materials — something standard pH probes cann...
Gravity: Arduino pH Sensor / Meter Kit
You may check the latest version - Gravity: Analog pH Sensor/Meter Kit V2 to meet your requirements and Liquid Sensor Selection Guide to get better familiar with our liquid sensor series.Need to measure water quality and other parameters but haven't got any low-cost pH meter? Find it difficult t...
Micro Servo with 3-pin JST Cable - STEMMA Connector Compatible
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This tiny little servo can rotate approximately 180 degrees (90 in each direction), and works just like the standard kinds you're used to but smaller. You can use any servo code, hardware or library to control these servos. Good for beginners who want to make stuff move without building a motor c...
6V Air Valve with 2-pin JST PH Connector - FA0520E
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The 6V Air Valve (FA0520E) is a 3-port solenoid valve for pneumatic systems, functioning similarly to an electrical relay. It features a common port (COM), a normally open port, and a normally closed port, allowing you to switch air flow direction by powering the valve on or off. The valve is ra...
Adafruit TMP235 - Plug-and-Play STEMMA Analog Temperature Sensor - TMP235
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The Adafruit TMP235 is a plug-and-play analog temperature sensor with a 3-pin JST PH (STEMMA) connector. Unlike I2C sensors, this one outputs a simple analog voltage proportional to temperature — just connect it to any microcontroller with an analog input and read the value. No libraries or compl...
STEMMA Analog SPDT Switch - MAX4544, 12V, JST PH 2mm
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This breakout makes it much easier to use the tiny MAX4544 SPDT analogue switch in prototypes and one-off builds. It gives you a solid-state alternative to a relay for switching between two analogue signal paths, with a compact board and a plug-and-play STEMMA JST PH input so you can get started ...
JST PH 3-Pin to Male Header Cable - 200mm
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The JST PH 3-Pin to Male Header Cable converts a JST PH 3-pin connector into three individual colour-coded wires, each terminated with a 0.1" (2.54 mm) male header pin. It's ideal for extending sensor or LED connections to a breadboard or development board. At 200 mm long, this cable provides en...
JST-PH 2-Pin SMT Right Angle Connector
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This JST PH 2-pin SMT right-angle connector is a surface-mount header designed to accept standard JST PH 2-pin plugs. It's commonly used as a battery connector on microcontroller boards, LiPo chargers, and small electronics — compatible with single-cell LiPo/Li-Ion battery leads, coin cell holder...
Terminal Block BFF Add-On for QT Py and Xiao
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This BFF add-on makes it much easier to wire up small QT Py and Xiao projects without juggling loose jumpers. Plug in a compatible board and each pin is brought out to a screw-terminal block, with an extra socket pin available for quick wire connections.It also adds a Stemma QT / Qwiic connector ...
KnowFlow Basic Water Monitoring Kit
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Build a DIY water quality monitor for field studies, teaching or environmental projects with the KnowFlow Basic Kit. This Arduino-based kit measures two key water parameters: pH and electrical conductivity (EC).Data can be recorded automatically to a micro-SD card for later analysis, and the Blun...
Adafruit Infrared IR Remote Receiver - STEMMA JST PH 2mm
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The Adafruit Infrared IR Remote Receiver is a sensitive, wide-range 38 kHz IR receiver board with two selectable sensor orientations — one vertical and one horizontal. A slide switch lets you choose which sensor to read from, making it easy to mount in any position within your enclosure or projec...
Adafruit Infrared IR Remote Transceiver - STEMMA JST PH 2mm
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The Adafruit Infrared IR Remote Transceiver combines a high-powered IR transmitter and a sensitive 38 kHz IR receiver on a single board. With two 940 nm IR LEDs (one vertical, one horizontal) driven by an onboard N-channel FET at 100–200 mA per LED, you get 10+ metres of transmit range alongside ...
TT Gearbox Motor
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The classic yellow "TT" plastic gearbox motor, in every gear ratio and lead termination we can get. Dual output shafts, 3–6VDC, and the standard TT footprint that fits every common bracket, wheel and chassis. Choose the gear ratio first The ratio decides the trade between speed and torque. It is ...
Matrix Portal S3 for HUB75 RGB Matrices - u.FL
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Make an internet-connected RGB matrix display without the usual wiring fuss. This board plugs straight into the back of a compatible HUB75 RGB matrix, giving you an easy way to build colourful signs, clocks, status panels and data dashboards with CircuitPython or Arduino.This version uses a u.FL ...
LiPo SHIM for Pico
This SHIM provides a convenient way of powering your Raspberry Pi Pico from a LiPo/LiIon battery. You can recharge the battery easily by providing power to the Pico's USB port. Solder this neat little square to the pins on the back of your Pico, plug in a suitable lithium-ion/polymer battery ...
EL Panel - Blue (10x10cm)
A flexible electroluminescent (EL) panel that emits a soft, neon-like blue glow when driven by an EL inverter. The 10 × 10 cm panel is thin and lightweight, making it ideal for backlighting, illuminated signage, costumes, and decorative projects. The panel connects via a 20 cm cable terminated w...
Lithium Ion Battery Pack - 3.7V 6600mAh
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A high-capacity 3.7 V lithium-ion battery pack built from three 2200 mAh 18650 cells connected in parallel, providing 6600 mAh of total capacity. The cells are spot-welded to a built-in protection circuit that guards against overcharging, over-discharging, and overcurrent. The pack includes a JS...
SparkFun OpenPIR
The SparkFun OpenPIR is a highly customizable Passive Infrared (PIR) sensor based around the NCS36000 PIR controller. Passive infrared (PIR) sensors are able to detect motion in a small/local area –– they’re the sensor of choice in security systems, home automation and proximity-sensing applicati...
TensorFlow Lite for Microcontrollers Kit
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Machine learning has come to the 'edge' - small microcontrollers that can run a very miniature version of TensorFlow Lite to do ML computations. But you don't need super complex hardware to start developing your own TensorFlow models! We've curated a simple kit to dip your toes into machine ...
Adafruit Micro-Lipo Charger for LiPoly Batt with USB Type C Jack
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The Adafruit Micro-Lipo Charger is a tiny, easy-to-use charger for single-cell 3.7V/4.2V lithium polymer and lithium ion rechargeable batteries. Simply plug a USB-C cable into any USB power source and connect your battery via the JST connector — two LEDs show charging status at a glance (red = ch...
